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-rw-r--r--fs/xfs/linux-2.6/kmem.c6
-rw-r--r--fs/xfs/linux-2.6/kmem.h4
-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c11
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c14
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.h2
-rw-r--r--fs/xfs/linux-2.6/xfs_export.c2
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl.c376
-rw-r--r--fs/xfs/linux-2.6/xfs_iops.c345
-rw-r--r--fs/xfs/linux-2.6/xfs_iops.h2
-rw-r--r--fs/xfs/linux-2.6/xfs_linux.h8
-rw-r--r--fs/xfs/linux-2.6/xfs_stats.c15
-rw-r--r--fs/xfs/linux-2.6/xfs_stats.h12
-rw-r--r--fs/xfs/linux-2.6/xfs_super.c938
-rw-r--r--fs/xfs/linux-2.6/xfs_super.h4
-rw-r--r--fs/xfs/linux-2.6/xfs_sysctl.c8
-rw-r--r--fs/xfs/linux-2.6/xfs_sysctl.h4
-rw-r--r--fs/xfs/linux-2.6/xfs_vnode.c50
-rw-r--r--fs/xfs/linux-2.6/xfs_vnode.h89
-rw-r--r--fs/xfs/linux-2.6/xfs_xattr.c330
19 files changed, 1682 insertions, 538 deletions
diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c
index 9b1bb17a050..1cd3b55ee3d 100644
--- a/fs/xfs/linux-2.6/kmem.c
+++ b/fs/xfs/linux-2.6/kmem.c
@@ -90,7 +90,7 @@ kmem_zalloc_greedy(size_t *size, size_t minsize, size_t maxsize,
}
void
-kmem_free(void *ptr, size_t size)
+kmem_free(const void *ptr)
{
if (!is_vmalloc_addr(ptr)) {
kfree(ptr);
@@ -100,7 +100,7 @@ kmem_free(void *ptr, size_t size)
}
void *
-kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
+kmem_realloc(const void *ptr, size_t newsize, size_t oldsize,
unsigned int __nocast flags)
{
void *new;
@@ -110,7 +110,7 @@ kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
if (new)
memcpy(new, ptr,
((oldsize < newsize) ? oldsize : newsize));
- kmem_free(ptr, oldsize);
+ kmem_free(ptr);
}
return new;
}
diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h
index a20683cf74d..af6843c7ee4 100644
--- a/fs/xfs/linux-2.6/kmem.h
+++ b/fs/xfs/linux-2.6/kmem.h
@@ -57,8 +57,8 @@ kmem_flags_convert(unsigned int __nocast flags)
extern void *kmem_alloc(size_t, unsigned int __nocast);
extern void *kmem_zalloc(size_t, unsigned int __nocast);
extern void *kmem_zalloc_greedy(size_t *, size_t, size_t, unsigned int __nocast);
-extern void *kmem_realloc(void *, size_t, size_t, unsigned int __nocast);
-extern void kmem_free(void *, size_t);
+extern void *kmem_realloc(const void *, size_t, size_t, unsigned int __nocast);
+extern void kmem_free(const void *);
/*
* Zone interfaces
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index a55c3b26d84..fa47e43b8b4 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -409,7 +409,6 @@ xfs_start_buffer_writeback(
STATIC void
xfs_start_page_writeback(
struct page *page,
- struct writeback_control *wbc,
int clear_dirty,
int buffers)
{
@@ -676,7 +675,7 @@ xfs_probe_cluster(
} else
pg_offset = PAGE_CACHE_SIZE;
- if (page->index == tindex && !TestSetPageLocked(page)) {
+ if (page->index == tindex && trylock_page(page)) {
pg_len = xfs_probe_page(page, pg_offset, mapped);
unlock_page(page);
}
@@ -760,7 +759,7 @@ xfs_convert_page(
if (page->index != tindex)
goto fail;
- if (TestSetPageLocked(page))
+ if (!trylock_page(page))
goto fail;
if (PageWriteback(page))
goto fail_unlock_page;
@@ -858,7 +857,7 @@ xfs_convert_page(
done = 1;
}
}
- xfs_start_page_writeback(page, wbc, !page_dirty, count);
+ xfs_start_page_writeback(page, !page_dirty, count);
}
return done;
@@ -1105,7 +1104,7 @@ xfs_page_state_convert(
* that we are writing into for the first time.
*/
type = IOMAP_NEW;
- if (!test_and_set_bit(BH_Lock, &bh->b_state)) {
+ if (trylock_buffer(bh)) {
ASSERT(buffer_mapped(bh));
if (iomap_valid)
all_bh = 1;
@@ -1130,7 +1129,7 @@ xfs_page_state_convert(
SetPageUptodate(page);
if (startio)
- xfs_start_page_writeback(page, wbc, 1, count);
+ xfs_start_page_writeback(page, 1, count);
if (ioend && iomap_valid) {
offset = (iomap.iomap_offset + iomap.iomap_bsize - 1) >>
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 98e0e86093b..9cc8f021309 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -310,8 +310,7 @@ _xfs_buf_free_pages(
xfs_buf_t *bp)
{
if (bp->b_pages != bp->b_page_array) {
- kmem_free(bp->b_pages,
- bp->b_page_count * sizeof(struct page *));
+ kmem_free(bp->b_pages);
}
}
@@ -1398,7 +1397,7 @@ STATIC void
xfs_free_bufhash(
xfs_buftarg_t *btp)
{
- kmem_free(btp->bt_hash, (1<<btp->bt_hashshift) * sizeof(xfs_bufhash_t));
+ kmem_free(btp->bt_hash);
btp->bt_hash = NULL;
}
@@ -1428,13 +1427,10 @@ xfs_unregister_buftarg(
void
xfs_free_buftarg(
- xfs_buftarg_t *btp,
- int external)
+ xfs_buftarg_t *btp)
{
xfs_flush_buftarg(btp, 1);
xfs_blkdev_issue_flush(btp);
- if (external)
- xfs_blkdev_put(btp->bt_bdev);
xfs_free_bufhash(btp);
iput(btp->bt_mapping->host);
@@ -1444,7 +1440,7 @@ xfs_free_buftarg(
xfs_unregister_buftarg(btp);
kthread_stop(btp->bt_task);
- kmem_free(btp, sizeof(*btp));
+ kmem_free(btp);
}
STATIC int
@@ -1575,7 +1571,7 @@ xfs_alloc_buftarg(
return btp;
error:
- kmem_free(btp, sizeof(*btp));
+ kmem_free(btp);
return NULL;
}
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index f948ec7ba9a..29d1d4adc07 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -429,7 +429,7 @@ static inline void xfs_bdwrite(void *mp, xfs_buf_t *bp)
* Handling of buftargs.
*/
extern xfs_buftarg_t *xfs_alloc_buftarg(struct block_device *, int);
-extern void xfs_free_buftarg(xfs_buftarg_t *, int);
+extern void xfs_free_buftarg(xfs_buftarg_t *);
extern void xfs_wait_buftarg(xfs_buftarg_t *);
extern int xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int, unsigned int);
extern int xfs_flush_buftarg(xfs_buftarg_t *, int);
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index c672b3238b1..987fe84f7b1 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -215,7 +215,7 @@ xfs_fs_get_parent(
struct xfs_inode *cip;
struct dentry *parent;
- error = xfs_lookup(XFS_I(child->d_inode), &xfs_name_dotdot, &cip);
+ error = xfs_lookup(XFS_I(child->d_inode), &xfs_name_dotdot, &cip, NULL);
if (unlikely(error))
return ERR_PTR(-error);
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 01939ba2d8d..acb978d9d08 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -48,6 +48,8 @@
#include "xfs_dfrag.h"
#include "xfs_fsops.h"
#include "xfs_vnodeops.h"
+#include "xfs_quota.h"
+#include "xfs_inode_item.h"
#include <linux/capability.h>
#include <linux/dcache.h>
@@ -468,6 +470,12 @@ xfs_attrlist_by_handle(
if (al_hreq.buflen > XATTR_LIST_MAX)
return -XFS_ERROR(EINVAL);
+ /*
+ * Reject flags, only allow namespaces.
+ */
+ if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE))
+ return -XFS_ERROR(EINVAL);
+
error = xfs_vget_fsop_handlereq(mp, parinode, &al_hreq.hreq, &inode);
if (error)
goto out;
@@ -587,7 +595,7 @@ xfs_attrmulti_by_handle(
goto out;
error = E2BIG;
- size = am_hreq.opcount * sizeof(attr_multiop_t);
+ size = am_hreq.opcount * sizeof(xfs_attr_multiop_t);
if (!size || size > 16 * PAGE_SIZE)
goto out_vn_rele;
@@ -680,9 +688,9 @@ xfs_ioc_space(
return -XFS_ERROR(EFAULT);
if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
- attr_flags |= ATTR_NONBLOCK;
+ attr_flags |= XFS_ATTR_NONBLOCK;
if (ioflags & IO_INVIS)
- attr_flags |= ATTR_DMI;
+ attr_flags |= XFS_ATTR_DMI;
error = xfs_change_file_space(ip, cmd, &bf, filp->f_pos,
NULL, attr_flags);
@@ -873,6 +881,322 @@ xfs_ioc_fsgetxattr(
return 0;
}
+STATIC void
+xfs_set_diflags(
+ struct xfs_inode *ip,
+ unsigned int xflags)
+{
+ unsigned int di_flags;
+
+ /* can't set PREALLOC this way, just preserve it */
+ di_flags = (ip->i_d.di_flags & XFS_DIFLAG_PREALLOC);
+ if (xflags & XFS_XFLAG_IMMUTABLE)
+ di_flags |= XFS_DIFLAG_IMMUTABLE;
+ if (xflags & XFS_XFLAG_APPEND)
+ di_flags |= XFS_DIFLAG_APPEND;
+ if (xflags & XFS_XFLAG_SYNC)
+ di_flags |= XFS_DIFLAG_SYNC;
+ if (xflags & XFS_XFLAG_NOATIME)
+ di_flags |= XFS_DIFLAG_NOATIME;
+ if (xflags & XFS_XFLAG_NODUMP)
+ di_flags |= XFS_DIFLAG_NODUMP;
+ if (xflags & XFS_XFLAG_PROJINHERIT)
+ di_flags |= XFS_DIFLAG_PROJINHERIT;
+ if (xflags & XFS_XFLAG_NODEFRAG)
+ di_flags |= XFS_DIFLAG_NODEFRAG;
+ if (xflags & XFS_XFLAG_FILESTREAM)
+ di_flags |= XFS_DIFLAG_FILESTREAM;
+ if ((ip->i_d.di_mode & S_IFMT) == S_IFDIR) {
+ if (xflags & XFS_XFLAG_RTINHERIT)
+ di_flags |= XFS_DIFLAG_RTINHERIT;
+ if (xflags & XFS_XFLAG_NOSYMLINKS)
+ di_flags |= XFS_DIFLAG_NOSYMLINKS;
+ if (xflags & XFS_XFLAG_EXTSZINHERIT)
+ di_flags |= XFS_DIFLAG_EXTSZINHERIT;
+ } else if ((ip->i_d.di_mode & S_IFMT) == S_IFREG) {
+ if (xflags & XFS_XFLAG_REALTIME)
+ di_flags |= XFS_DIFLAG_REALTIME;
+ if (xflags & XFS_XFLAG_EXTSIZE)
+ di_flags |= XFS_DIFLAG_EXTSIZE;
+ }
+
+ ip->i_d.di_flags = di_flags;
+}
+
+STATIC void
+xfs_diflags_to_linux(
+ struct xfs_inode *ip)
+{
+ struct inode *inode = XFS_ITOV(ip);
+ unsigned int xflags = xfs_ip2xflags(ip);
+
+ if (xflags & XFS_XFLAG_IMMUTABLE)
+ inode->i_flags |= S_IMMUTABLE;
+ else
+ inode->i_flags &= ~S_IMMUTABLE;
+ if (xflags & XFS_XFLAG_APPEND)
+ inode->i_flags |= S_APPEND;
+ else
+ inode->i_flags &= ~S_APPEND;
+ if (xflags & XFS_XFLAG_SYNC)
+ inode->i_flags |= S_SYNC;
+ else
+ inode->i_flags &= ~S_SYNC;
+ if (xflags & XFS_XFLAG_NOATIME)
+ inode->i_flags |= S_NOATIME;
+ else
+ inode->i_flags &= ~S_NOATIME;
+}
+
+#define FSX_PROJID 1
+#define FSX_EXTSIZE 2
+#define FSX_XFLAGS 4
+#define FSX_NONBLOCK 8
+
+STATIC int
+xfs_ioctl_setattr(
+ xfs_inode_t *ip,
+ struct fsxattr *fa,
+ int mask)
+{
+ struct xfs_mount *mp = ip->i_mount;
+ struct xfs_trans *tp;
+ unsigned int lock_flags = 0;
+ struct xfs_dquot *udqp = NULL, *gdqp = NULL;
+ struct xfs_dquot *olddquot = NULL;
+ int code;
+
+ xfs_itrace_entry(ip);
+
+ if (mp->m_flags & XFS_MOUNT_RDONLY)
+ return XFS_ERROR(EROFS);
+ if (XFS_FORCED_SHUTDOWN(mp))
+ return XFS_ERROR(EIO);
+
+ /*
+ * If disk quotas is on, we make sure that the dquots do exist on disk,
+ * before we start any other transactions. Trying to do this later
+ * is messy. We don't care to take a readlock to look at the ids
+ * in inode here, because we can't hold it across the trans_reserve.
+ * If the IDs do change before we take the ilock, we're covered
+ * because the i_*dquot fields will get updated anyway.
+ */
+ if (XFS_IS_QUOTA_ON(mp) && (mask & FSX_PROJID)) {
+ code = XFS_QM_DQVOPALLOC(mp, ip, ip->i_d.di_uid,
+ ip->i_d.di_gid, fa->fsx_projid,
+ XFS_QMOPT_PQUOTA, &udqp, &gdqp);
+ if (code)
+ return code;
+ }
+
+ /*
+ * For the other attributes, we acquire the inode lock and
+ * first do an error checking pass.
+ */
+ tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
+ code = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0);
+ if (code)
+ goto error_return;
+
+ lock_flags = XFS_ILOCK_EXCL;
+ xfs_ilock(ip, lock_flags);
+
+ /*
+ * CAP_FOWNER overrides the following restrictions:
+ *
+ * The user ID of the calling process must be equal
+ * to the file owner ID, except in cases where the
+ * CAP_FSETID capability is applicable.
+ */
+ if (current->fsuid != ip->i_d.di_uid && !capable(CAP_FOWNER)) {
+ code = XFS_ERROR(EPERM);
+ goto error_return;
+ }
+
+ /*
+ * Do a quota reservation only if projid is actually going to change.
+ */
+ if (mask & FSX_PROJID) {
+ if (XFS_IS_PQUOTA_ON(mp) &&
+ ip->i_d.di_projid != fa->fsx_projid) {
+ ASSERT(tp);
+ code = XFS_QM_DQVOPCHOWNRESV(mp, tp, ip, udqp, gdqp,
+ capable(CAP_FOWNER) ?
+ XFS_QMOPT_FORCE_RES : 0);
+ if (code) /* out of quota */
+ goto error_return;
+ }
+ }
+
+ if (mask & FSX_EXTSIZE) {
+ /*
+ * Can't change extent size if any extents are allocated.
+ */
+ if (ip->i_d.di_nextents &&
+ ((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) !=
+ fa->fsx_extsize)) {
+ code = XFS_ERROR(EINVAL); /* EFBIG? */
+ goto error_return;
+ }
+
+ /*
+ * Extent size must be a multiple of the appropriate block
+ * size, if set at all.
+ */
+ if (fa->fsx_extsize != 0) {
+ xfs_extlen_t size;
+
+ if (XFS_IS_REALTIME_INODE(ip) ||
+ ((mask & FSX_XFLAGS) &&
+ (fa->fsx_xflags & XFS_XFLAG_REALTIME))) {
+ size = mp->m_sb.sb_rextsize <<
+ mp->m_sb.sb_blocklog;
+ } else {
+ size = mp->m_sb.sb_blocksize;
+ }
+
+ if (fa->fsx_extsize % size) {
+ code = XFS_ERROR(EINVAL);
+ goto error_return;
+ }
+ }
+ }
+
+
+ if (mask & FSX_XFLAGS) {
+ /*
+ * Can't change realtime flag if any extents are allocated.
+ */
+ if ((ip->i_d.di_nextents || ip->i_delayed_blks) &&
+ (XFS_IS_REALTIME_INODE(ip)) !=
+ (fa->fsx_xflags & XFS_XFLAG_REALTIME)) {
+ code = XFS_ERROR(EINVAL); /* EFBIG? */
+ goto error_return;
+ }
+
+ /*
+ * If realtime flag is set then must have realtime data.
+ */
+ if ((fa->fsx_xflags & XFS_XFLAG_REALTIME)) {
+ if ((mp->m_sb.sb_rblocks == 0) ||
+ (mp->m_sb.sb_rextsize == 0) ||
+ (ip->i_d.di_extsize % mp->m_sb.sb_rextsize)) {
+ code = XFS_ERROR(EINVAL);
+ goto error_return;
+ }
+ }
+
+ /*
+ * Can't modify an immutable/append-only file unless
+ * we have appropriate permission.
+ */
+ if ((ip->i_d.di_flags &
+ (XFS_DIFLAG_IMMUTABLE|XFS_DIFLAG_APPEND) ||
+ (fa->fsx_xflags &
+ (XFS_XFLAG_IMMUTABLE | XFS_XFLAG_APPEND))) &&
+ !capable(CAP_LINUX_IMMUTABLE)) {
+ code = XFS_ERROR(EPERM);
+ goto error_return;
+ }
+ }
+
+ xfs_trans_ijoin(tp, ip, lock_flags);
+ xfs_trans_ihold(tp, ip);
+
+ /*
+ * Change file ownership. Must be the owner or privileged.
+ * If the system was configured with the "restricted_chown"
+ * option, the owner is not permitted to give away the file,
+ * and can change the group id only to a group of which he
+ * or she is a member.
+ */
+ if (mask & FSX_PROJID) {
+ /*
+ * CAP_FSETID overrides the following restrictions:
+ *
+ * The set-user-ID and set-group-ID bits of a file will be
+ * cleared upon successful return from chown()
+ */
+ if ((ip->i_d.di_mode & (S_ISUID|S_ISGID)) &&
+ !capable(CAP_FSETID))
+ ip->i_d.di_mode &= ~(S_ISUID|S_ISGID);
+
+ /*
+ * Change the ownerships and register quota modifications
+ * in the transaction.
+ */
+ if (ip->i_d.di_projid != fa->fsx_projid) {
+ if (XFS_IS_PQUOTA_ON(mp)) {
+ olddquot = XFS_QM_DQVOPCHOWN(mp, tp, ip,
+ &ip->i_gdquot, gdqp);
+ }
+ ip->i_d.di_projid = fa->fsx_projid;
+
+ /*
+ * We may have to rev the inode as well as
+ * the superblock version number since projids didn't
+ * exist before DINODE_VERSION_2 and SB_VERSION_NLINK.
+ */
+ if (ip->i_d.di_version == XFS_DINODE_VERSION_1)
+ xfs_bump_ino_vers2(tp, ip);
+ }
+
+ }
+
+ if (mask & FSX_EXTSIZE)
+ ip->i_d.di_extsize = fa->fsx_extsize >> mp->m_sb.sb_blocklog;
+ if (mask & FSX_XFLAGS) {
+ xfs_set_diflags(ip, fa->fsx_xflags);
+ xfs_diflags_to_linux(ip);
+ }
+
+ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+ xfs_ichgtime(ip, XFS_ICHGTIME_CHG);
+
+ XFS_STATS_INC(xs_ig_attrchg);
+
+ /*
+ * If this is a synchronous mount, make sure that the
+ * transaction goes to disk before returning to the user.
+ * This is slightly sub-optimal in that truncates require
+ * two sync transactions instead of one for wsync filesystems.
+ * One for the truncate and one for the timestamps since we
+ * don't want to change the timestamps unless we're sure the
+ * truncate worked. Truncates are less than 1% of the laddis
+ * mix so this probably isn't worth the trouble to optimize.
+ */
+ if (mp->m_flags & XFS_MOUNT_WSYNC)
+ xfs_trans_set_sync(tp);
+ code = xfs_trans_commit(tp, 0);
+ xfs_iunlock(ip, lock_flags);
+
+ /*
+ * Release any dquot(s) the inode had kept before chown.
+ */
+ XFS_QM_DQRELE(mp, olddquot);
+ XFS_QM_DQRELE(mp, udqp);
+ XFS_QM_DQRELE(mp, gdqp);
+
+ if (code)
+ return code;
+
+ if (DM_EVENT_ENABLED(ip, DM_EVENT_ATTRIBUTE)) {
+ XFS_SEND_NAMESP(mp, DM_EVENT_ATTRIBUTE, ip, DM_RIGHT_NULL,
+ NULL, DM_RIGHT_NULL, NULL, NULL, 0, 0,
+ (mask & FSX_NONBLOCK) ? DM_FLAGS_NDELAY : 0);
+ }
+
+ return 0;
+
+ error_return:
+ XFS_QM_DQRELE(mp, udqp);
+ XFS_QM_DQRELE(mp, gdqp);
+ xfs_trans_cancel(tp, 0);
+ if (lock_flags)
+ xfs_iunlock(ip, lock_flags);
+ return code;
+}
+
STATIC int
xfs_ioc_fssetxattr(
xfs_inode_t *ip,
@@ -880,31 +1204,16 @@ xfs_ioc_fssetxattr(
void __user *arg)
{
struct fsxattr fa;
- struct bhv_vattr *vattr;
- int error;
- int attr_flags;
+ unsigned int mask;
if (copy_from_user(&fa, arg, sizeof(fa)))
return -EFAULT;
- vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
- if (unlikely(!vattr))
- return -ENOMEM;
-
- attr_flags = 0;
+ mask = FSX_XFLAGS | FSX_EXTSIZE | FSX_PROJID;
if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
- attr_flags |= ATTR_NONBLOCK;
-
- vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | XFS_AT_PROJID;
- vattr->va_xflags = fa.fsx_xflags;
- vattr->va_extsize = fa.fsx_extsize;
- vattr->va_projid = fa.fsx_projid;
+ mask |= FSX_NONBLOCK;
- error = -xfs_setattr(ip, vattr, attr_flags, NULL);
- if (!error)
- vn_revalidate(XFS_ITOV(ip)); /* update flags */
- kfree(vattr);
- return 0;
+ return -xfs_ioctl_setattr(ip, &fa, mask);
}
STATIC int
@@ -926,10 +1235,9 @@ xfs_ioc_setxflags(
struct file *filp,
void __user *arg)
{
- struct bhv_vattr *vattr;
+ struct fsxattr fa;
unsigned int flags;
- int attr_flags;
- int error;
+ unsigned int mask;
if (copy_from_user(&flags, arg, sizeof(flags)))
return -EFAULT;
@@ -939,22 +1247,12 @@ xfs_ioc_setxflags(
FS_SYNC_FL))
return -EOPNOTSUPP;
- vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
- if (unlikely(!vattr))
- return -ENOMEM;
-
- attr_flags = 0;
+ mask = FSX_XFLAGS;
if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
- attr_flags |= ATTR_NONBLOCK;
-
- vattr->va_mask = XFS_AT_XFLAGS;
- vattr->va_xflags = xfs_merge_ioc_xflags(flags, xfs_ip2xflags(ip));
+ mask |= FSX_NONBLOCK;
+ fa.fsx_xflags = xfs_merge_ioc_xflags(flags, xfs_ip2xflags(ip));
- error = -xfs_setattr(ip, vattr, attr_flags, NULL);
- if (likely(!error))
- vn_revalidate(XFS_ITOV(ip)); /* update flags */
- kfree(vattr);
- return error;
+ return -xfs_ioctl_setattr(ip, &fa, mask);
}
STATIC int
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 5fc61c824bb..e88f5102808 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -181,23 +181,6 @@ xfs_ichgtime_fast(
mark_inode_dirty_sync(inode);
}
-
-/*
- * Pull the link count and size up from the xfs inode to the linux inode
- */
-STATIC void
-xfs_validate_fields(
- struct inode *inode)
-{
- struct xfs_inode *ip = XFS_I(inode);
- loff_t size;
-
- /* we're under i_sem so i_size can't change under us */
- size = XFS_ISIZE(ip);
- if (i_size_read(inode) != size)
- i_size_write(inode, size);
-}
-
/*
* Hook in SELinux. This is not quite correct yet, what we really need
* here (as we do for default ACLs) is a mechanism by which creation of
@@ -245,8 +228,7 @@ STATIC void
xfs_cleanup_inode(
struct inode *dir,
struct inode *inode,
- struct dentry *dentry,
- int mode)
+ struct dentry *dentry)
{
struct xfs_name teardown;
@@ -257,10 +239,7 @@ xfs_cleanup_inode(
*/
xfs_dentry_to_name(&teardown, dentry);
- if (S_ISDIR(mode))
- xfs_rmdir(XFS_I(dir), &teardown, XFS_I(inode));
- else
- xfs_remove(XFS_I(dir), &teardown, XFS_I(inode));
+ xfs_remove(XFS_I(dir), &teardown, XFS_I(inode));
iput(inode);
}
@@ -275,7 +254,7 @@ xfs_vn_mknod(
struct xfs_inode *ip = NULL;
xfs_acl_t *default_acl = NULL;
struct xfs_name name;
- attrexists_t test_default_acl = _ACL_DEFAULT_EXISTS;
+ int (*test_default_acl)(struct inode *) = _ACL_DEFAULT_EXISTS;
int error;
/*
@@ -335,14 +314,11 @@ xfs_vn_mknod(
}
- if (S_ISDIR(mode))
- xfs_validate_fields(inode);
d_instantiate(dentry, inode);
- xfs_validate_fields(dir);
return -error;
out_cleanup_inode:
- xfs_cleanup_inode(dir, inode, dentry, mode);
+ xfs_cleanup_inode(dir, inode, dentry);
out_free_acl:
if (default_acl)
_ACL_FREE(default_acl);
@@ -382,7 +358,7 @@ xfs_vn_lookup(
return ERR_PTR(-ENAMETOOLONG);
xfs_dentry_to_name(&name, dentry);
- error = xfs_lookup(XFS_I(dir), &name, &cip);
+ error = xfs_lookup(XFS_I(dir), &name, &cip, NULL);
if (unlikely(error)) {
if (unlikely(error != ENOENT))
return ERR_PTR(-error);
@@ -393,6 +369,46 @@ xfs_vn_lookup(
return d_splice_alias(cip->i_vnode, dentry);
}
+STATIC struct dentry *
+xfs_vn_ci_lookup(
+ struct inode *dir,
+ struct dentry *dentry,
+ struct nameidata *nd)
+{
+ struct xfs_inode *ip;
+ struct xfs_name xname;
+ struct xfs_name ci_name;
+ struct qstr dname;
+ int error;
+
+ if (dentry->d_name.len >= MAXNAMELEN)
+ return ERR_PTR(-ENAMETOOLONG);
+
+ xfs_dentry_to_name(&xname, dentry);
+ error = xfs_lookup(XFS_I(dir), &xname, &ip, &ci_name);
+ if (unlikely(error)) {
+ if (unlikely(error != ENOENT))
+ return ERR_PTR(-error);
+ /*
+ * call d_add(dentry, NULL) here when d_drop_negative_children
+ * is called in xfs_vn_mknod (ie. allow negative dentries
+ * with CI filesystems).
+ */
+ return NULL;
+ }
+
+ /* if exact match, just splice and exit */
+ if (!ci_name.name)
+ return d_splice_alias(ip->i_vnode, dentry);
+
+ /* else case-insensitive match... */
+ dname.name = ci_name.name;
+ dname.len = ci_name.len;
+ dentry = d_add_ci(ip->i_vnode, dentry, &dname);
+ kmem_free(ci_name.name);
+ return dentry;
+}
+
STATIC int
xfs_vn_link(
struct dentry *old_dentry,
@@ -414,7 +430,6 @@ xfs_vn_link(
}
xfs_iflags_set(XFS_I(dir), XFS_IMODIFIED);
- xfs_validate_fields(inode);
d_instantiate(dentry, inode);
return 0;
}
@@ -424,19 +439,23 @@ xfs_vn_unlink(
struct inode *dir,
struct dentry *dentry)
{
- struct inode *inode;
struct xfs_name name;
int error;
- inode = dentry->d_inode;
xfs_dentry_to_name(&name, dentry);
- error = xfs_remove(XFS_I(dir), &name, XFS_I(inode));
- if (likely(!error)) {
- xfs_validate_fields(dir); /* size needs update */
- xfs_validate_fields(inode);
- }
- return -error;
+ error = -xfs_remove(XFS_I(dir), &name, XFS_I(dentry->d_inode));
+ if (error)
+ return error;
+
+ /*
+ * With unlink, the VFS makes the dentry "negative": no inode,
+ * but still hashed. This is incompatible with case-insensitive
+ * mode, so invalidate (unhash) the dentry in CI-mode.
+ */
+ if (xfs_sb_version_hasasciici(&XFS_M(dir->i_sb)->m_sb))
+ d_invalidate(dentry);
+ return 0;
}
STATIC int
@@ -466,36 +485,15 @@ xfs_vn_symlink(
goto out_cleanup_inode;
d_instantiate(dentry, inode);
- xfs_validate_fields(dir);
- xfs_validate_fields(inode);
return 0;
out_cleanup_inode:
- xfs_cleanup_inode(dir, inode, dentry, 0);
+ xfs_cleanup_inode(dir, inode, dentry);
out:
return -error;
}
STATIC int
-xfs_vn_rmdir(
- struct inode *dir,
- struct dentry *dentry)
-{
- struct inode *inode = dentry->d_inode;
- struct xfs_name name;
- int error;
-
- xfs_dentry_to_name(&name, dentry);
-
- error = xfs_rmdir(XFS_I(dir), &name, XFS_I(inode));
- if (likely(!error)) {
- xfs_validate_fields(inode);
- xfs_validate_fields(dir);
- }
- return -error;
-}
-
-STATIC int
xfs_vn_rename(
struct inode *odir,
struct dentry *odentry,
@@ -505,22 +503,13 @@ xfs_vn_rename(
struct inode *new_inode = ndentry->d_inode;
struct xfs_name oname;
struct xfs_name nname;
- int error;
xfs_dentry_to_name(&oname, odentry);
xfs_dentry_to_name(&nname, ndentry);
- error = xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode),
+ return -xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode),
XFS_I(ndir), &nname, new_inode ?
XFS_I(new_inode) : NULL);
- if (likely(!error)) {
- if (new_inode)
- xfs_validate_fields(new_inode);
- xfs_validate_fields(odir);
- if (ndir != odir)
- xfs_validate_fields(ndir);
- }
- return -error;
}
/*
@@ -659,57 +648,9 @@ xfs_vn_getattr(
STATIC int
xfs_vn_setattr(
struct dentry *dentry,
- struct iattr *attr)
+ struct iattr *iattr)
{
- struct inode *inode = dentry->d_inode;
- unsigned int ia_valid = attr->ia_valid;
- bhv_vattr_t vattr = { 0 };
- int flags = 0;
- int error;
-
- if (ia_valid & ATTR_UID) {
- vattr.va_mask |= XFS_AT_UID;
- vattr.va_uid = attr->ia_uid;
- }
- if (ia_valid & ATTR_GID) {
- vattr.va_mask |= XFS_AT_GID;
- vattr.va_gid = attr->ia_gid;
- }
- if (ia_valid & ATTR_SIZE) {
- vattr.va_mask |= XFS_AT_SIZE;
- vattr.va_size = attr->ia_size;
- }
- if (ia_valid & ATTR_ATIME) {
- vattr.va_mask |= XFS_AT_ATIME;
- vattr.va_atime = attr->ia_atime;
- inode->i_atime = attr->ia_atime;
- }
- if (ia_valid & ATTR_MTIME) {
- vattr.va_mask |= XFS_AT_MTIME;
- vattr.va_mtime = attr->ia_mtime;
- }
- if (ia_valid & ATTR_CTIME) {
- vattr.va_mask |= XFS_AT_CTIME;
- vattr.va_ctime = attr->ia_ctime;
- }
- if (ia_valid & ATTR_MODE) {
- vattr.va_mask |= XFS_AT_MODE;
- vattr.va_mode = attr->ia_mode;
- if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
- inode->i_mode &= ~S_ISGID;
- }
-
- if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))
- flags |= ATTR_UTIME;
-#ifdef ATTR_NO_BLOCK
- if ((ia_valid & ATTR_NO_BLOCK))
- flags |= ATTR_NONBLOCK;
-#endif
-
- error = xfs_setattr(XFS_I(inode), &vattr, flags, NULL);
- if (likely(!error))
- vn_revalidate(vn_from_inode(inode));
- return -error;
+ return -xfs_setattr(XFS_I(dentry->d_inode), iattr, 0, NULL);
}
/*
@@ -727,109 +668,6 @@ xfs_vn_truncate(
WARN_ON(error);
}
-STATIC int
-xfs_vn_setxattr(
- struct dentry *dentry,
- const char *name,
- const void *data,
- size_t size,
- int flags)
-{
- bhv_vnode_t *vp = vn_from_inode(dentry->d_inode);
- char *attr = (char *)name;
- attrnames_t *namesp;
- int xflags = 0;
- int error;
-
- namesp = attr_lookup_namespace(attr, attr_namespaces, ATTR_NAMECOUNT);
- if (!namesp)
- return -EOPNOTSUPP;
- attr += namesp->attr_namelen;
- error = namesp->attr_capable(vp, NULL);
- if (error)
- return error;
-
- /* Convert Linux syscall to XFS internal ATTR flags */
- if (flags & XATTR_CREATE)
- xflags |= ATTR_CREATE;
- if (flags & XATTR_REPLACE)
- xflags |= ATTR_REPLACE;
- xflags |= namesp->attr_flag;
- return namesp->attr_set(vp, attr, (void *)data, size, xflags);
-}
-
-STATIC ssize_t
-xfs_vn_getxattr(
- struct dentry *dentry,
- const char *name,
- void *data,
- size_t size)
-{
- bhv_vnode_t *vp = vn_from_inode(dentry->d_inode);
- char *attr = (char *)name;
- attrnames_t *namesp;
- int xflags = 0;
- ssize_t error;
-
- namesp = attr_lookup_namespace(attr, attr_namespaces, ATTR_NAMECOUNT);
- if (!namesp)
- return -EOPNOTSUPP;
- attr += namesp->attr_namelen;
- error = namesp->attr_capable(vp, NULL);
- if (error)
- return error;
-
- /* Convert Linux syscall to XFS internal ATTR flags */
- if (!size) {
- xflags |= ATTR_KERNOVAL;
- data = NULL;
- }
- xflags |= namesp->attr_flag;
- return namesp->attr_get(vp, attr, (void *)data, size, xflags);
-}
-
-STATIC ssize_t
-xfs_vn_listxattr(
- struct dentry *dentry,
- char *data,
- size_t size)
-{
- bhv_vnode_t *vp = vn_from_inode(dentry->d_inode);
- int error, xflags = ATTR_KERNAMELS;
- ssize_t result;
-
- if (!size)
- xflags |= ATTR_KERNOVAL;
- xflags |= capable(CAP_SYS_ADMIN) ? ATTR_KERNFULLS : ATTR_KERNORMALS;
-
- error = attr_generic_list(vp, data, size, xflags, &result);
- if (error < 0)
- return error;
- return result;
-}
-
-STATIC int
-xfs_vn_removexattr(
- struct dentry *dentry,
- const char *name)
-{
- bhv_vnode_t *vp = vn_from_inode(dentry->d_inode);
- char *attr = (char *)name;
- attrnames_t *namesp;
- int xflags = 0;
- int error;
-
- namesp = attr_lookup_namespace(attr, attr_namespaces, ATTR_NAMECOUNT);
- if (!namesp)
- return -EOPNOTSUPP;
- attr += namesp->attr_namelen;
- error = namesp->attr_capable(vp, NULL);
- if (error)
- return error;
- xflags |= namesp->attr_flag;
- return namesp->attr_remove(vp, attr, xflags);
-}
-
STATIC long
xfs_vn_fallocate(
struct inode *inode,
@@ -853,18 +691,18 @@ xfs_vn_fallocate(
xfs_ilock(ip, XFS_IOLOCK_EXCL);
error = xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
- 0, NULL, ATTR_NOLOCK);
+ 0, NULL, XFS_ATTR_NOLOCK);
if (!error && !(mode & FALLOC_FL_KEEP_SIZE) &&
offset + len > i_size_read(inode))
new_size = offset + len;
/* Change file size if needed */
if (new_size) {
- bhv_vattr_t va;
+ struct iattr iattr;
- va.va_mask = XFS_AT_SIZE;
- va.va_size = new_size;
- error = xfs_setattr(ip, &va, ATTR_NOLOCK, NULL);
+ iattr.ia_valid = ATTR_SIZE;
+ iattr.ia_size = new_size;
+ error = xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK, NULL);
}
xfs_iunlock(ip, XFS_IOLOCK_EXCL);
@@ -877,10 +715,10 @@ const struct inode_operations xfs_inode_operations = {
.truncate = xfs_vn_truncate,
.getattr = xfs_vn_getattr,
.setattr = xfs_vn_setattr,
- .setxattr = xfs_vn_setxattr,
- .getxattr = xfs_vn_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
+ .removexattr = generic_removexattr,
.listxattr = xfs_vn_listxattr,
- .removexattr = xfs_vn_removexattr,
.fallocate = xfs_vn_fallocate,
};
@@ -891,16 +729,47 @@ const struct inode_operations xfs_dir_inode_operations = {
.unlink = xfs_vn_unlink,
.symlink = xfs_vn_symlink,
.mkdir = xfs_vn_mkdir,
- .rmdir = xfs_vn_rmdir,
+ /*
+ * Yes, XFS uses the same method for rmdir and unlink.
+ *
+ * There are some subtile differences deeper in the code,
+ * but we use S_ISDIR to check for those.
+ */
+ .rmdir = xfs_vn_unlink,
+ .mknod = xfs_vn_mknod,
+ .rename = xfs_vn_rename,
+ .permission = xfs_vn_permission,
+ .getattr = xfs_vn_getattr,
+ .setattr = xfs_vn_setattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
+ .removexattr = generic_removexattr,
+ .listxattr = xfs_vn_listxattr,
+};
+
+const struct inode_operations xfs_dir_ci_inode_operations = {
+ .create = xfs_vn_create,
+ .lookup = xfs_vn_ci_lookup,
+ .link = xfs_vn_link,
+ .unlink = xfs_vn_unlink,
+ .symlink = xfs_vn_symlink,
+ .mkdir = xfs_vn_mkdir,
+ /*
+ * Yes, XFS uses the same method for rmdir and unlink.
+ *
+ * There are some subtile differences deeper in the code,
+ * but we use S_ISDIR to check for those.
+ */
+ .rmdir = xfs_vn_unlink,
.mknod = xfs_vn_mknod,
.rename = xfs_vn_rename,
.permission = xfs_vn_permission,
.getattr = xfs_vn_getattr,
.setattr = xfs_vn_setattr,
- .setxattr = xfs_vn_setxattr,
- .getxattr = xfs_vn_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
+ .removexattr = generic_removexattr,
.listxattr = xfs_vn_listxattr,
- .removexattr = xfs_vn_removexattr,
};
const struct inode_operations xfs_symlink_inode_operations = {
@@ -910,8 +779,8 @@ const struct inode_operations xfs_symlink_inode_operations = {
.permission = xfs_vn_permission,
.getattr = xfs_vn_getattr,
.setattr = xfs_vn_setattr,
- .setxattr = xfs_vn_setxattr,
- .getxattr = xfs_vn_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
+ .removexattr = generic_removexattr,
.listxattr = xfs_vn_listxattr,
- .removexattr = xfs_vn_removexattr,
};
diff --git a/fs/xfs/linux-2.6/xfs_iops.h b/fs/xfs/linux-2.6/xfs_iops.h
index 14d0deb7aff..d97ba934a2a 100644
--- a/fs/xfs/linux-2.6/xfs_iops.h
+++ b/fs/xfs/linux-2.6/xfs_iops.h
@@ -20,12 +20,14 @@
extern const struct inode_operations xfs_inode_operations;
extern const struct inode_operations xfs_dir_inode_operations;
+extern const struct inode_operations xfs_dir_ci_inode_operations;
extern const struct inode_operations xfs_symlink_inode_operations;
extern const struct file_operations xfs_file_operations;
extern const struct file_operations xfs_dir_file_operations;
extern const struct file_operations xfs_invis_file_operations;
+extern ssize_t xfs_vn_listxattr(struct dentry *, char *data, size_t size);
struct xfs_inode;
extern void xfs_ichgtime(struct xfs_inode *, int);
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 4edc46915b5..4d45d9351a6 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -76,6 +76,7 @@
#include <linux/log2.h>
#include <linux/spinlock.h>
#include <linux/random.h>
+#include <linux/ctype.h>
#include <asm/page.h>
#include <asm/div64.h>
@@ -299,4 +300,11 @@ static inline __uint64_t howmany_64(__uint64_t x, __uint32_t y)
return x;
}
+/* ARM old ABI has some weird alignment/padding */
+#if defined(__arm__) && !defined(__ARM_EABI__)
+#define __arch_pack __attribute__((packed))
+#else
+#define __arch_pack
+#endif
+
#endif /* __XFS_LINUX__ */
diff --git a/fs/xfs/linux-2.6/xfs_stats.c b/fs/xfs/linux-2.6/xfs_stats.c
index e480b610205..3d5b67c075c 100644
--- a/fs/xfs/linux-2.6/xfs_stats.c
+++ b/fs/xfs/linux-2.6/xfs_stats.c
@@ -98,12 +98,21 @@ xfs_read_xfsstats(
return len;
}
-void
+int
xfs_init_procfs(void)
{
if (!proc_mkdir("fs/xfs", NULL))
- return;
- create_proc_read_entry("fs/xfs/stat", 0, NULL, xfs_read_xfsstats, NULL);
+ goto out;
+
+ if (!create_proc_read_entry("fs/xfs/stat", 0, NULL,
+ xfs_read_xfsstats, NULL))
+ goto out_remove_entry;
+ return 0;
+
+ out_remove_entry:
+ remove_proc_entry("fs/xfs", NULL);
+ out:
+ return -ENOMEM;
}
void
diff --git a/fs/xfs/linux-2.6/xfs_stats.h b/fs/xfs/linux-2.6/xfs_stats.h
index afd0b0d5fdb..e83820febc9 100644
--- a/fs/xfs/linux-2.6/xfs_stats.h
+++ b/fs/xfs/linux-2.6/xfs_stats.h
@@ -134,7 +134,7 @@ DECLARE_PER_CPU(struct xfsstats, xfsstats);
#define XFS_STATS_DEC(v) (per_cpu(xfsstats, current_cpu()).v--)
#define XFS_STATS_ADD(v, inc) (per_cpu(xfsstats, current_cpu()).v += (inc))
-extern void xfs_init_procfs(void);
+extern int xfs_init_procfs(void);
extern void xfs_cleanup_procfs(void);
@@ -144,8 +144,14 @@ extern void xfs_cleanup_procfs(void);
# define XFS_STATS_DEC(count)
# define XFS_STATS_ADD(count, inc)
-static inline void xfs_init_procfs(void) { };
-static inline void xfs_cleanup_procfs(void) { };
+static inline int xfs_init_procfs(void)
+{
+ return 0;
+}
+
+static inline void xfs_cleanup_procfs(void)
+{
+}
#endif /* !CONFIG_PROC_FS */
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 943381284e2..30ae96397e3 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -52,6 +52,12 @@
#include "xfs_version.h"
#include "xfs_log_priv.h"
#include "xfs_trans_priv.h"
+#include "xfs_filestream.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2_trace.h"
+#include "xfs_extfree_item.h"
+#include "xfs_mru_cache.h"
+#include "xfs_inode_item.h"
#include <linux/namei.h>
#include <linux/init.h>
@@ -60,6 +66,7 @@
#include <linux/writeback.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
+#include <linux/parser.h>
static struct quotactl_ops xfs_quotactl_operations;
static struct super_operations xfs_super_operations;
@@ -74,7 +81,10 @@ xfs_args_allocate(
{
struct xfs_mount_args *args;
- args = kmem_zalloc(sizeof(struct xfs_mount_args), KM_SLEEP);
+ args = kzalloc(sizeof(struct xfs_mount_args), GFP_KERNEL);
+ if (!args)
+ return NULL;
+
args->logbufs = args->logbufsize = -1;
strncpy(args->fsname, sb->s_id, MAXNAMELEN);
@@ -138,6 +148,23 @@ xfs_args_allocate(
#define MNTOPT_XDSM "xdsm" /* DMI enabled (DMAPI / XDSM) */
#define MNTOPT_DMI "dmi" /* DMI enabled (DMAPI / XDSM) */
+/*
+ * Table driven mount option parser.
+ *
+ * Currently only used for remount, but it will be used for mount
+ * in the future, too.
+ */
+enum {
+ Opt_barrier, Opt_nobarrier, Opt_err
+};
+
+static match_table_t tokens = {
+ {Opt_barrier, "barrier"},
+ {Opt_nobarrier, "nobarrier"},
+ {Opt_err, NULL}
+};
+
+
STATIC unsigned long
suffix_strtoul(char *s, char **endp, unsigned int base)
{
@@ -314,6 +341,7 @@ xfs_parseargs(
args->flags |= XFSMNT_ATTR2;
} else if (!strcmp(this_char, MNTOPT_NOATTR2)) {
args->flags &= ~XFSMNT_ATTR2;
+ args->flags |= XFSMNT_NOATTR2;
} else if (!strcmp(this_char, MNTOPT_FILESTREAM)) {
args->flags2 |= XFSMNT2_FILESTREAMS;
} else if (!strcmp(this_char, MNTOPT_NOQUOTA)) {
@@ -564,7 +592,10 @@ xfs_set_inodeops(
inode->i_mapping->a_ops = &xfs_address_space_operations;
break;
case S_IFDIR:
- inode->i_op = &xfs_dir_inode_operations;
+ if (xfs_sb_version_hasasciici(&XFS_M(inode->i_sb)->m_sb))
+ inode->i_op = &xfs_dir_ci_inode_operations;
+ else
+ inode->i_op = &xfs_dir_inode_operations;
inode->i_fop = &xfs_dir_file_operations;
break;
case S_IFLNK:
@@ -733,14 +764,6 @@ xfs_mountfs_check_barriers(xfs_mount_t *mp)
return;
}
- if (mp->m_ddev_targp->bt_bdev->bd_disk->queue->ordered ==
- QUEUE_ORDERED_NONE) {
- xfs_fs_cmn_err(CE_NOTE, mp,
- "Disabling barriers, not supported by the underlying device");
- mp->m_flags &= ~XFS_MOUNT_BARRIER;
- return;
- }
-
if (xfs_readonly_buftarg(mp->m_ddev_targp)) {
xfs_fs_cmn_err(CE_NOTE, mp,
"Disabling barriers, underlying device is readonly");
@@ -764,6 +787,139 @@ xfs_blkdev_issue_flush(
blkdev_issue_flush(buftarg->bt_bdev, NULL);
}
+STATIC void
+xfs_close_devices(
+ struct xfs_mount *mp)
+{
+ if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) {
+ struct block_device *logdev = mp->m_logdev_targp->bt_bdev;
+ xfs_free_buftarg(mp->m_logdev_targp);
+ xfs_blkdev_put(logdev);
+ }
+ if (mp->m_rtdev_targp) {
+ struct block_device *rtdev = mp->m_rtdev_targp->bt_bdev;
+ xfs_free_buftarg(mp->m_rtdev_targp);
+ xfs_blkdev_put(rtdev);
+ }
+ xfs_free_buftarg(mp->m_ddev_targp);
+}
+
+/*
+ * The file system configurations are:
+ * (1) device (partition) with data and internal log
+ * (2) logical volume with data and log subvolumes.
+ * (3) logical volume with data, log, and realtime subvolumes.
+ *
+ * We only have to handle opening the log and realtime volumes here if
+ * they are present. The data subvolume has already been opened by
+ * get_sb_bdev() and is stored in sb->s_bdev.
+ */
+STATIC int
+xfs_open_devices(
+ struct xfs_mount *mp,
+ struct xfs_mount_args *args)
+{
+ struct block_device *ddev = mp->m_super->s_bdev;
+ struct block_device *logdev = NULL, *rtdev = NULL;
+ int error;
+
+ /*
+ * Open real time and log devices - order is important.
+ */
+ if (args->logname[0]) {
+ error = xfs_blkdev_get(mp, args->logname, &logdev);
+ if (error)
+ goto out;
+ }
+
+ if (args->rtname[0]) {
+ error = xfs_blkdev_get(mp, args->rtname, &rtdev);
+ if (error)
+ goto out_close_logdev;
+
+ if (rtdev == ddev || rtdev == logdev) {
+ cmn_err(CE_WARN,
+ "XFS: Cannot mount filesystem with identical rtdev and ddev/logdev.");
+ error = EINVAL;
+ goto out_close_rtdev;
+ }
+ }
+
+ /*
+ * Setup xfs_mount buffer target pointers
+ */
+ error = ENOMEM;
+ mp->m_ddev_targp = xfs_alloc_buftarg(ddev, 0);
+ if (!mp->m_ddev_targp)
+ goto out_close_rtdev;
+
+ if (rtdev) {
+ mp->m_rtdev_targp = xfs_alloc_buftarg(rtdev, 1);
+ if (!mp->m_rtdev_targp)
+ goto out_free_ddev_targ;
+ }
+
+ if (logdev && logdev != ddev) {
+ mp->m_logdev_targp = xfs_alloc_buftarg(logdev, 1);
+ if (!mp->m_logdev_targp)
+ goto out_free_rtdev_targ;
+ } else {
+ mp->m_logdev_targp = mp->m_ddev_targp;
+ }
+
+ return 0;
+
+ out_free_rtdev_targ:
+ if (mp->m_rtdev_targp)
+ xfs_free_buftarg(mp->m_rtdev_targp);
+ out_free_ddev_targ:
+ xfs_free_buftarg(mp->m_ddev_targp);
+ out_close_rtdev:
+ if (rtdev)
+ xfs_blkdev_put(rtdev);
+ out_close_logdev:
+ if (logdev && logdev != ddev)
+ xfs_blkdev_put(logdev);
+ out:
+ return error;
+}
+
+/*
+ * Setup xfs_mount buffer target pointers based on superblock
+ */
+STATIC int
+xfs_setup_devices(
+ struct xfs_mount *mp)
+{
+ int error;
+
+ error = xfs_setsize_buftarg(mp->m_ddev_targp, mp->m_sb.sb_blocksize,
+ mp->m_sb.sb_sectsize);
+ if (error)
+ return error;
+
+ if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) {
+ unsigned int log_sector_size = BBSIZE;
+
+ if (xfs_sb_version_hassector(&mp->m_sb))
+ log_sector_size = mp->m_sb.sb_logsectsize;
+ error = xfs_setsize_buftarg(mp->m_logdev_targp,
+ mp->m_sb.sb_blocksize,
+ log_sector_size);
+ if (error)
+ return error;
+ }
+ if (mp->m_rtdev_targp) {
+ error = xfs_setsize_buftarg(mp->m_rtdev_targp,
+ mp->m_sb.sb_blocksize,
+ mp->m_sb.sb_sectsize);
+ if (error)
+ return error;
+ }
+
+ return 0;
+}
+
/*
* XFS AIL push thread support
*/
@@ -848,42 +1004,6 @@ xfs_fs_inode_init_once(
inode_init_once(vn_to_inode((bhv_vnode_t *)vnode));
}
-STATIC int __init
-xfs_init_zones(void)
-{
- xfs_vnode_zone = kmem_zone_init_flags(sizeof(bhv_vnode_t), "xfs_vnode",
- KM_ZONE_HWALIGN | KM_ZONE_RECLAIM |
- KM_ZONE_SPREAD,
- xfs_fs_inode_init_once);
- if (!xfs_vnode_zone)
- goto out;
-
- xfs_ioend_zone = kmem_zone_init(sizeof(xfs_ioend_t), "xfs_ioend");
- if (!xfs_ioend_zone)
- goto out_destroy_vnode_zone;
-
- xfs_ioend_pool = mempool_create_slab_pool(4 * MAX_BUF_PER_PAGE,
- xfs_ioend_zone);
- if (!xfs_ioend_pool)
- goto out_free_ioend_zone;
- return 0;
-
- out_free_ioend_zone:
- kmem_zone_destroy(xfs_ioend_zone);
- out_destroy_vnode_zone:
- kmem_zone_destroy(xfs_vnode_zone);
- out:
- return -ENOMEM;
-}
-
-STATIC void
-xfs_destroy_zones(void)
-{
- mempool_destroy(xfs_ioend_pool);
- kmem_zone_destroy(xfs_vnode_zone);
- kmem_zone_destroy(xfs_ioend_zone);
-}
-
/*
* Attempt to flush the inode, this will actually fail
* if the inode is pinned, but we dirty the inode again
@@ -1073,7 +1193,7 @@ xfssyncd(
list_del(&work->w_list);
if (work == &mp->m_sync_work)
continue;
- kmem_free(work, sizeof(struct bhv_vfs_sync_work));
+ kmem_free(work);
}
}
@@ -1085,14 +1205,63 @@ xfs_fs_put_super(
struct super_block *sb)
{
struct xfs_mount *mp = XFS_M(sb);
+ struct xfs_inode *rip = mp->m_rootip;
+ int unmount_event_flags = 0;
int error;
kthread_stop(mp->m_sync_task);
xfs_sync(mp, SYNC_ATTR | SYNC_DELWRI);
- error = xfs_unmount(mp, 0, NULL);
- if (error)
- printk("XFS: unmount got error=%d\n", error);
+
+#ifdef HAVE_DMAPI
+ if (mp->m_flags & XFS_MOUNT_DMAPI) {
+ unmount_event_flags =
+ (mp->m_dmevmask & (1 << DM_EVENT_UNMOUNT)) ?
+ 0 : DM_FLAGS_UNWANTED;
+ /*
+ * Ignore error from dmapi here, first unmount is not allowed
+ * to fail anyway, and second we wouldn't want to fail a
+ * unmount because of dmapi.
+ */
+ XFS_SEND_PREUNMOUNT(mp, rip, DM_RIGHT_NULL, rip, DM_RIGHT_NULL,
+ NULL, NULL, 0, 0, unmount_event_flags);
+ }
+#endif
+
+ /*
+ * Blow away any referenced inode in the filestreams cache.
+ * This can and will cause log traffic as inodes go inactive
+ * here.
+ */
+ xfs_filestream_unmount(mp);
+
+ XFS_bflush(mp->m_ddev_targp);
+ error = xfs_unmount_flush(mp, 0);
+ WARN_ON(error);
+
+ IRELE(rip);
+
+ /*
+ * If we're forcing a shutdown, typically because of a media error,
+ * we want to make sure we invalidate dirty pages that belong to
+ * referenced vnodes as well.
+ */
+ if (XFS_FORCED_SHUTDOWN(mp)) {
+ error = xfs_sync(mp, SYNC_WAIT | SYNC_CLOSE);
+ ASSERT(error != EFSCORRUPTED);
+ }
+
+ if (mp->m_flags & XFS_MOUNT_DMAPI) {
+ XFS_SEND_UNMOUNT(mp, rip, DM_RIGHT_NULL, 0, 0,
+ unmount_event_flags);
+ }
+
+ xfs_unmountfs(mp);
+ xfs_icsb_destroy_counters(mp);
+ xfs_close_devices(mp);
+ xfs_qmops_put(mp);
+ xfs_dmops_put(mp);
+ kfree(mp);
}
STATIC void
@@ -1215,14 +1384,54 @@ xfs_fs_remount(
char *options)
{
struct xfs_mount *mp = XFS_M(sb);
- struct xfs_mount_args *args = xfs_args_allocate(sb, 0);
- int error;
+ substring_t args[MAX_OPT_ARGS];
+ char *p;
- error = xfs_parseargs(mp, options, args, 1);
- if (!error)
- error = xfs_mntupdate(mp, flags, args);
- kmem_free(args, sizeof(*args));
- return -error;
+ while ((p = strsep(&options, ",")) != NULL) {
+ int token;
+
+ if (!*p)
+ continue;
+
+ token = match_token(p, tokens, args);
+ switch (token) {
+ case Opt_barrier:
+ mp->m_flags |= XFS_MOUNT_BARRIER;
+
+ /*
+ * Test if barriers are actually working if we can,
+ * else delay this check until the filesystem is
+ * marked writeable.
+ */
+ if (!(mp->m_flags & XFS_MOUNT_RDONLY))
+ xfs_mountfs_check_barriers(mp);
+ break;
+ case Opt_nobarrier:
+ mp->m_flags &= ~XFS_MOUNT_BARRIER;
+ break;
+ default:
+ printk(KERN_INFO
+ "XFS: mount option \"%s\" not supported for remount\n", p);
+ return -EINVAL;
+ }
+ }
+
+ /* rw/ro -> rw */
+ if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & MS_RDONLY)) {
+ mp->m_flags &= ~XFS_MOUNT_RDONLY;
+ if (mp->m_flags & XFS_MOUNT_BARRIER)
+ xfs_mountfs_check_barriers(mp);
+ }
+
+ /* rw -> ro */
+ if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & MS_RDONLY)) {
+ xfs_filestream_flush(mp);
+ xfs_sync(mp, SYNC_DATA_QUIESCE);
+ xfs_attr_quiesce(mp);
+ mp->m_flags |= XFS_MOUNT_RDONLY;
+ }
+
+ return 0;
}
/*
@@ -1299,6 +1508,225 @@ xfs_fs_setxquota(
Q_XSETPQLIM), id, (caddr_t)fdq);
}
+/*
+ * This function fills in xfs_mount_t fields based on mount args.
+ * Note: the superblock has _not_ yet been read in.
+ */
+STATIC int
+xfs_start_flags(
+ struct xfs_mount_args *ap,
+ struct xfs_mount *mp)
+{
+ /* Values are in BBs */
+ if ((ap->flags & XFSMNT_NOALIGN) != XFSMNT_NOALIGN) {
+ /*
+ * At this point the superblock has not been read
+ * in, therefore we do not know the block size.
+ * Before the mount call ends we will convert
+ * these to FSBs.
+ */
+ mp->m_dalign = ap->sunit;
+ mp->m_swidth = ap->swidth;
+ }
+
+ if (ap->logbufs != -1 &&
+ ap->logbufs != 0 &&
+ (ap->logbufs < XLOG_MIN_ICLOGS ||
+ ap->logbufs > XLOG_MAX_ICLOGS)) {
+ cmn_err(CE_WARN,
+ "XFS: invalid logbufs value: %d [not %d-%d]",
+ ap->logbufs, XLOG_MIN_ICLOGS, XLOG_MAX_ICLOGS);
+ return XFS_ERROR(EINVAL);
+ }
+ mp->m_logbufs = ap->logbufs;
+ if (ap->logbufsize != -1 &&
+ ap->logbufsize != 0 &&
+ (ap->logbufsize < XLOG_MIN_RECORD_BSIZE ||
+ ap->logbufsize > XLOG_MAX_RECORD_BSIZE ||
+ !is_power_of_2(ap->logbufsize))) {
+ cmn_err(CE_WARN,
+ "XFS: invalid logbufsize: %d [not 16k,32k,64k,128k or 256k]",
+ ap->logbufsize);
+ return XFS_ERROR(EINVAL);
+ }
+ mp->m_logbsize = ap->logbufsize;
+ mp->m_fsname_len = strlen(ap->fsname) + 1;
+ mp->m_fsname = kmem_alloc(mp->m_fsname_len, KM_SLEEP);
+ strcpy(mp->m_fsname, ap->fsname);
+ if (ap->rtname[0]) {
+ mp->m_rtname = kmem_alloc(strlen(ap->rtname) + 1, KM_SLEEP);
+ strcpy(mp->m_rtname, ap->rtname);
+ }
+ if (ap->logname[0]) {
+ mp->m_logname = kmem_alloc(strlen(ap->logname) + 1, KM_SLEEP);
+ strcpy(mp->m_logname, ap->logname);
+ }
+
+ if (ap->flags & XFSMNT_WSYNC)
+ mp->m_flags |= XFS_MOUNT_WSYNC;
+#if XFS_BIG_INUMS
+ if (ap->flags & XFSMNT_INO64) {
+ mp->m_flags |= XFS_MOUNT_INO64;
+ mp->m_inoadd = XFS_INO64_OFFSET;
+ }
+#endif
+ if (ap->flags & XFSMNT_RETERR)
+ mp->m_flags |= XFS_MOUNT_RETERR;
+ if (ap->flags & XFSMNT_NOALIGN)
+ mp->m_flags |= XFS_MOUNT_NOALIGN;
+ if (ap->flags & XFSMNT_SWALLOC)
+ mp->m_flags |= XFS_MOUNT_SWALLOC;
+ if (ap->flags & XFSMNT_OSYNCISOSYNC)
+ mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC;
+ if (ap->flags & XFSMNT_32BITINODES)
+ mp->m_flags |= XFS_MOUNT_32BITINODES;
+
+ if (ap->flags & XFSMNT_IOSIZE) {
+ if (ap->iosizelog > XFS_MAX_IO_LOG ||
+ ap->iosizelog < XFS_MIN_IO_LOG) {
+ cmn_err(CE_WARN,
+ "XFS: invalid log iosize: %d [not %d-%d]",
+ ap->iosizelog, XFS_MIN_IO_LOG,
+ XFS_MAX_IO_LOG);
+ return XFS_ERROR(EINVAL);
+ }
+
+ mp->m_flags |= XFS_MOUNT_DFLT_IOSIZE;
+ mp->m_readio_log = mp->m_writeio_log = ap->iosizelog;
+ }
+
+ if (ap->flags & XFSMNT_IKEEP)
+ mp->m_flags |= XFS_MOUNT_IKEEP;
+ if (ap->flags & XFSMNT_DIRSYNC)
+ mp->m_flags |= XFS_MOUNT_DIRSYNC;
+ if (ap->flags & XFSMNT_ATTR2)
+ mp->m_flags |= XFS_MOUNT_ATTR2;
+ if (ap->flags & XFSMNT_NOATTR2)
+ mp->m_flags |= XFS_MOUNT_NOATTR2;
+
+ if (ap->flags2 & XFSMNT2_COMPAT_IOSIZE)
+ mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
+
+ /*
+ * no recovery flag requires a read-only mount
+ */
+ if (ap->flags & XFSMNT_NORECOVERY) {
+ if (!(mp->m_flags & XFS_MOUNT_RDONLY)) {
+ cmn_err(CE_WARN,
+ "XFS: tried to mount a FS read-write without recovery!");
+ return XFS_ERROR(EINVAL);
+ }
+ mp->m_flags |= XFS_MOUNT_NORECOVERY;
+ }
+
+ if (ap->flags & XFSMNT_NOUUID)
+ mp->m_flags |= XFS_MOUNT_NOUUID;
+ if (ap->flags & XFSMNT_BARRIER)
+ mp->m_flags |= XFS_MOUNT_BARRIER;
+ else
+ mp->m_flags &= ~XFS_MOUNT_BARRIER;
+
+ if (ap->flags2 & XFSMNT2_FILESTREAMS)
+ mp->m_flags |= XFS_MOUNT_FILESTREAMS;
+
+ if (ap->flags & XFSMNT_DMAPI)
+ mp->m_flags |= XFS_MOUNT_DMAPI;
+ return 0;
+}
+
+/*
+ * This function fills in xfs_mount_t fields based on mount args.
+ * Note: the superblock _has_ now been read in.
+ */
+STATIC int
+xfs_finish_flags(
+ struct xfs_mount_args *ap,
+ struct xfs_mount *mp)
+{
+ int ronly = (mp->m_flags & XFS_MOUNT_RDONLY);
+
+ /* Fail a mount where the logbuf is smaller then the log stripe */
+ if (xfs_sb_version_haslogv2(&mp->m_sb)) {
+ if ((ap->logbufsize <= 0) &&
+ (mp->m_sb.sb_logsunit > XLOG_BIG_RECORD_BSIZE)) {
+ mp->m_logbsize = mp->m_sb.sb_logsunit;
+ } else if (ap->logbufsize > 0 &&
+ ap->logbufsize < mp->m_sb.sb_logsunit) {
+ cmn_err(CE_WARN,
+ "XFS: logbuf size must be greater than or equal to log stripe size");
+ return XFS_ERROR(EINVAL);
+ }
+ } else {
+ /* Fail a mount if the logbuf is larger than 32K */
+ if (ap->logbufsize > XLOG_BIG_RECORD_BSIZE) {
+ cmn_err(CE_WARN,
+ "XFS: logbuf size for version 1 logs must be 16K or 32K");
+ return XFS_ERROR(EINVAL);
+ }
+ }
+
+ /*
+ * mkfs'ed attr2 will turn on attr2 mount unless explicitly
+ * told by noattr2 to turn it off
+ */
+ if (xfs_sb_version_hasattr2(&mp->m_sb) &&
+ !(ap->flags & XFSMNT_NOATTR2))
+ mp->m_flags |= XFS_MOUNT_ATTR2;
+
+ /*
+ * prohibit r/w mounts of read-only filesystems
+ */
+ if ((mp->m_sb.sb_flags & XFS_SBF_READONLY) && !ronly) {
+ cmn_err(CE_WARN,
+ "XFS: cannot mount a read-only filesystem as read-write");
+ return XFS_ERROR(EROFS);
+ }
+
+ /*
+ * check for shared mount.
+ */
+ if (ap->flags & XFSMNT_SHARED) {
+ if (!xfs_sb_version_hasshared(&mp->m_sb))
+ return XFS_ERROR(EINVAL);
+
+ /*
+ * For IRIX 6.5, shared mounts must have the shared
+ * version bit set, have the persistent readonly
+ * field set, must be version 0 and can only be mounted
+ * read-only.
+ */
+ if (!ronly || !(mp->m_sb.sb_flags & XFS_SBF_READONLY) ||
+ (mp->m_sb.sb_shared_vn != 0))
+ return XFS_ERROR(EINVAL);
+
+ mp->m_flags |= XFS_MOUNT_SHARED;
+
+ /*
+ * Shared XFS V0 can't deal with DMI. Return EINVAL.
+ */
+ if (mp->m_sb.sb_shared_vn == 0 && (ap->flags & XFSMNT_DMAPI))
+ return XFS_ERROR(EINVAL);
+ }
+
+ if (ap->flags & XFSMNT_UQUOTA) {
+ mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE);
+ if (ap->flags & XFSMNT_UQUOTAENF)
+ mp->m_qflags |= XFS_UQUOTA_ENFD;
+ }
+
+ if (ap->flags & XFSMNT_GQUOTA) {
+ mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE);
+ if (ap->flags & XFSMNT_GQUOTAENF)
+ mp->m_qflags |= XFS_OQUOTA_ENFD;
+ } else if (ap->flags & XFSMNT_PQUOTA) {
+ mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE);
+ if (ap->flags & XFSMNT_PQUOTAENF)
+ mp->m_qflags |= XFS_OQUOTA_ENFD;
+ }
+
+ return 0;
+}
+
STATIC int
xfs_fs_fill_super(
struct super_block *sb,
@@ -1307,11 +1735,21 @@ xfs_fs_fill_super(
{
struct inode *root;
struct xfs_mount *mp = NULL;
- struct xfs_mount_args *args = xfs_args_allocate(sb, silent);
- int error;
+ struct xfs_mount_args *args;
+ int flags = 0, error = ENOMEM;
+
+ args = xfs_args_allocate(sb, silent);
+ if (!args)
+ return -ENOMEM;
- mp = xfs_mount_init();
+ mp = kzalloc(sizeof(struct xfs_mount), GFP_KERNEL);
+ if (!mp)
+ goto out_free_args;
+ spin_lock_init(&mp->m_sb_lock);
+ mutex_init(&mp->m_ilock);
+ mutex_init(&mp->m_growlock);
+ atomic_set(&mp->m_active_trans, 0);
INIT_LIST_HEAD(&mp->m_sync_list);
spin_lock_init(&mp->m_sync_lock);
init_waitqueue_head(&mp->m_wait_single_sync_task);
@@ -1324,16 +1762,60 @@ xfs_fs_fill_super(
error = xfs_parseargs(mp, (char *)data, args, 0);
if (error)
- goto fail_vfsop;
+ goto out_free_mp;
sb_min_blocksize(sb, BBSIZE);
+ sb->s_xattr = xfs_xattr_handlers;
sb->s_export_op = &xfs_export_operations;
sb->s_qcop = &xfs_quotactl_operations;
sb->s_op = &xfs_super_operations;
- error = xfs_mount(mp, args, NULL);
+ error = xfs_dmops_get(mp, args);
if (error)
- goto fail_vfsop;
+ goto out_free_mp;
+ error = xfs_qmops_get(mp, args);
+ if (error)
+ goto out_put_dmops;
+
+ if (args->flags & XFSMNT_QUIET)
+ flags |= XFS_MFSI_QUIET;
+
+ error = xfs_open_devices(mp, args);
+ if (error)
+ goto out_put_qmops;
+
+ if (xfs_icsb_init_counters(mp))
+ mp->m_flags |= XFS_MOUNT_NO_PERCPU_SB;
+
+ /*
+ * Setup flags based on mount(2) options and then the superblock
+ */
+ error = xfs_start_flags(args, mp);
+ if (error)
+ goto out_destroy_counters;
+ error = xfs_readsb(mp, flags);
+ if (error)
+ goto out_destroy_counters;
+ error = xfs_finish_flags(args, mp);
+ if (error)
+ goto out_free_sb;
+
+ error = xfs_setup_devices(mp);
+ if (error)
+ goto out_free_sb;
+
+ if (mp->m_flags & XFS_MOUNT_BARRIER)
+ xfs_mountfs_check_barriers(mp);
+
+ error = xfs_filestream_mount(mp);
+ if (error)
+ goto out_free_sb;
+
+ error = xfs_mountfs(mp, flags);
+ if (error)
+ goto out_filestream_unmount;
+
+ XFS_SEND_MOUNT(mp, DM_RIGHT_NULL, args->mtpt, args->fsname);
sb->s_dirt = 1;
sb->s_magic = XFS_SB_MAGIC;
@@ -1368,10 +1850,27 @@ xfs_fs_fill_super(
xfs_itrace_exit(XFS_I(sb->s_root->d_inode));
- kmem_free(args, sizeof(*args));
+ kfree(args);
return 0;
-fail_vnrele:
+ out_filestream_unmount:
+ xfs_filestream_unmount(mp);
+ out_free_sb:
+ xfs_freesb(mp);
+ out_destroy_counters:
+ xfs_icsb_destroy_counters(mp);
+ xfs_close_devices(mp);
+ out_put_qmops:
+ xfs_qmops_put(mp);
+ out_put_dmops:
+ xfs_dmops_put(mp);
+ out_free_mp:
+ kfree(mp);
+ out_free_args:
+ kfree(args);
+ return -error;
+
+ fail_vnrele:
if (sb->s_root) {
dput(sb->s_root);
sb->s_root = NULL;
@@ -1379,12 +1878,22 @@ fail_vnrele:
iput(root);
}
-fail_unmount:
- xfs_unmount(mp, 0, NULL);
+ fail_unmount:
+ /*
+ * Blow away any referenced inode in the filestreams cache.
+ * This can and will cause log traffic as inodes go inactive
+ * here.
+ */
+ xfs_filestream_unmount(mp);
-fail_vfsop:
- kmem_free(args, sizeof(*args));
- return -error;
+ XFS_bflush(mp->m_ddev_targp);
+ error = xfs_unmount_flush(mp, 0);
+ WARN_ON(error);
+
+ IRELE(mp->m_rootip);
+
+ xfs_unmountfs(mp);
+ goto out_destroy_counters;
}
STATIC int
@@ -1429,9 +1938,235 @@ static struct file_system_type xfs_fs_type = {
.fs_flags = FS_REQUIRES_DEV,
};
+STATIC int __init
+xfs_alloc_trace_bufs(void)
+{
+#ifdef XFS_ALLOC_TRACE
+ xfs_alloc_trace_buf = ktrace_alloc(XFS_ALLOC_TRACE_SIZE, KM_MAYFAIL);
+ if (!xfs_alloc_trace_buf)
+ goto out;
+#endif
+#ifdef XFS_BMAP_TRACE
+ xfs_bmap_trace_buf = ktrace_alloc(XFS_BMAP_TRACE_SIZE, KM_MAYFAIL);
+ if (!xfs_bmap_trace_buf)
+ goto out_free_alloc_trace;
+#endif
+#ifdef XFS_BMBT_TRACE
+ xfs_bmbt_trace_buf = ktrace_alloc(XFS_BMBT_TRACE_SIZE, KM_MAYFAIL);
+ if (!xfs_bmbt_trace_buf)
+ goto out_free_bmap_trace;
+#endif
+#ifdef XFS_ATTR_TRACE
+ xfs_attr_trace_buf = ktrace_alloc(XFS_ATTR_TRACE_SIZE, KM_MAYFAIL);
+ if (!xfs_attr_trace_buf)
+ goto out_free_bmbt_trace;
+#endif
+#ifdef XFS_DIR2_TRACE
+ xfs_dir2_trace_buf = ktrace_alloc(XFS_DIR2_GTRACE_SIZE, KM_MAYFAIL);
+ if (!xfs_dir2_trace_buf)
+ goto out_free_attr_trace;
+#endif
+
+ return 0;
+
+#ifdef XFS_DIR2_TRACE
+ out_free_attr_trace:
+#endif
+#ifdef XFS_ATTR_TRACE
+ ktrace_free(xfs_attr_trace_buf);
+ out_free_bmbt_trace:
+#endif
+#ifdef XFS_BMBT_TRACE
+ ktrace_free(xfs_bmbt_trace_buf);
+ out_free_bmap_trace:
+#endif
+#ifdef XFS_BMAP_TRACE
+ ktrace_free(xfs_bmap_trace_buf);
+ out_free_alloc_trace:
+#endif
+#ifdef XFS_ALLOC_TRACE
+ ktrace_free(xfs_alloc_trace_buf);
+ out:
+#endif
+ return -ENOMEM;
+}
+
+STATIC void
+xfs_free_trace_bufs(void)
+{
+#ifdef XFS_DIR2_TRACE
+ ktrace_free(xfs_dir2_trace_buf);
+#endif
+#ifdef XFS_ATTR_TRACE
+ ktrace_free(xfs_attr_trace_buf);
+#endif
+#ifdef XFS_BMBT_TRACE
+ ktrace_free(xfs_bmbt_trace_buf);
+#endif
+#ifdef XFS_BMAP_TRACE
+ ktrace_free(xfs_bmap_trace_buf);
+#endif
+#ifdef XFS_ALLOC_TRACE
+ ktrace_free(xfs_alloc_trace_buf);
+#endif
+}
STATIC int __init
-init_xfs_fs( void )
+xfs_init_zones(void)
+{
+ xfs_vnode_zone = kmem_zone_init_flags(sizeof(bhv_vnode_t), "xfs_vnode",
+ KM_ZONE_HWALIGN | KM_ZONE_RECLAIM |
+ KM_ZONE_SPREAD,
+ xfs_fs_inode_init_once);
+ if (!xfs_vnode_zone)
+ goto out;
+
+ xfs_ioend_zone = kmem_zone_init(sizeof(xfs_ioend_t), "xfs_ioend");
+ if (!xfs_ioend_zone)
+ goto out_destroy_vnode_zone;
+
+ xfs_ioend_pool = mempool_create_slab_pool(4 * MAX_BUF_PER_PAGE,
+ xfs_ioend_zone);
+ if (!xfs_ioend_pool)
+ goto out_destroy_ioend_zone;
+
+ xfs_log_ticket_zone = kmem_zone_init(sizeof(xlog_ticket_t),
+ "xfs_log_ticket");
+ if (!xfs_log_ticket_zone)
+ goto out_destroy_ioend_pool;
+
+ xfs_bmap_free_item_zone = kmem_zone_init(sizeof(xfs_bmap_free_item_t),
+ "xfs_bmap_free_item");
+ if (!xfs_bmap_free_item_zone)
+ goto out_destroy_log_ticket_zone;
+ xfs_btree_cur_zone = kmem_zone_init(sizeof(xfs_btree_cur_t),
+ "xfs_btree_cur");
+ if (!xfs_btree_cur_zone)
+ goto out_destroy_bmap_free_item_zone;
+
+ xfs_da_state_zone = kmem_zone_init(sizeof(xfs_da_state_t),
+ "xfs_da_state");
+ if (!xfs_da_state_zone)
+ goto out_destroy_btree_cur_zone;
+
+ xfs_dabuf_zone = kmem_zone_init(sizeof(xfs_dabuf_t), "xfs_dabuf");
+ if (!xfs_dabuf_zone)
+ goto out_destroy_da_state_zone;
+
+ xfs_ifork_zone = kmem_zone_init(sizeof(xfs_ifork_t), "xfs_ifork");
+ if (!xfs_ifork_zone)
+ goto out_destroy_dabuf_zone;
+
+ xfs_trans_zone = kmem_zone_init(sizeof(xfs_trans_t), "xfs_trans");
+ if (!xfs_trans_zone)
+ goto out_destroy_ifork_zone;
+
+ /*
+ * The size of the zone allocated buf log item is the maximum
+ * size possible under XFS. This wastes a little bit of memory,
+ * but it is much faster.
+ */
+ xfs_buf_item_zone = kmem_zone_init((sizeof(xfs_buf_log_item_t) +
+ (((XFS_MAX_BLOCKSIZE / XFS_BLI_CHUNK) /
+ NBWORD) * sizeof(int))), "xfs_buf_item");
+ if (!xfs_buf_item_zone)
+ goto out_destroy_trans_zone;
+
+ xfs_efd_zone = kmem_zone_init((sizeof(xfs_efd_log_item_t) +
+ ((XFS_EFD_MAX_FAST_EXTENTS - 1) *
+ sizeof(xfs_extent_t))), "xfs_efd_item");
+ if (!xfs_efd_zone)
+ goto out_destroy_buf_item_zone;
+
+ xfs_efi_zone = kmem_zone_init((sizeof(xfs_efi_log_item_t) +
+ ((XFS_EFI_MAX_FAST_EXTENTS - 1) *
+ sizeof(xfs_extent_t))), "xfs_efi_item");
+ if (!xfs_efi_zone)
+ goto out_destroy_efd_zone;
+
+ xfs_inode_zone =
+ kmem_zone_init_flags(sizeof(xfs_inode_t), "xfs_inode",
+ KM_ZONE_HWALIGN | KM_ZONE_RECLAIM |
+ KM_ZONE_SPREAD, NULL);
+ if (!xfs_inode_zone)
+ goto out_destroy_efi_zone;
+
+ xfs_ili_zone =
+ kmem_zone_init_flags(sizeof(xfs_inode_log_item_t), "xfs_ili",
+ KM_ZONE_SPREAD, NULL);
+ if (!xfs_ili_zone)
+ goto out_destroy_inode_zone;
+
+#ifdef CONFIG_XFS_POSIX_ACL
+ xfs_acl_zone = kmem_zone_init(sizeof(xfs_acl_t), "xfs_acl");
+ if (!xfs_acl_zone)
+ goto out_destroy_ili_zone;
+#endif
+
+ return 0;
+
+#ifdef CONFIG_XFS_POSIX_ACL
+ out_destroy_ili_zone:
+#endif
+ kmem_zone_destroy(xfs_ili_zone);
+ out_destroy_inode_zone:
+ kmem_zone_destroy(xfs_inode_zone);
+ out_destroy_efi_zone:
+ kmem_zone_destroy(xfs_efi_zone);
+ out_destroy_efd_zone:
+ kmem_zone_destroy(xfs_efd_zone);
+ out_destroy_buf_item_zone:
+ kmem_zone_destroy(xfs_buf_item_zone);
+ out_destroy_trans_zone:
+ kmem_zone_destroy(xfs_trans_zone);
+ out_destroy_ifork_zone:
+ kmem_zone_destroy(xfs_ifork_zone);
+ out_destroy_dabuf_zone:
+ kmem_zone_destroy(xfs_dabuf_zone);
+ out_destroy_da_state_zone:
+ kmem_zone_destroy(xfs_da_state_zone);
+ out_destroy_btree_cur_zone:
+ kmem_zone_destroy(xfs_btree_cur_zone);
+ out_destroy_bmap_free_item_zone:
+ kmem_zone_destroy(xfs_bmap_free_item_zone);
+ out_destroy_log_ticket_zone:
+ kmem_zone_destroy(xfs_log_ticket_zone);
+ out_destroy_ioend_pool:
+ mempool_destroy(xfs_ioend_pool);
+ out_destroy_ioend_zone:
+ kmem_zone_destroy(xfs_ioend_zone);
+ out_destroy_vnode_zone:
+ kmem_zone_destroy(xfs_vnode_zone);
+ out:
+ return -ENOMEM;
+}
+
+STATIC void
+xfs_destroy_zones(void)
+{
+#ifdef CONFIG_XFS_POSIX_ACL
+ kmem_zone_destroy(xfs_acl_zone);
+#endif
+ kmem_zone_destroy(xfs_ili_zone);
+ kmem_zone_destroy(xfs_inode_zone);
+ kmem_zone_destroy(xfs_efi_zone);
+ kmem_zone_destroy(xfs_efd_zone);
+ kmem_zone_destroy(xfs_buf_item_zone);
+ kmem_zone_destroy(xfs_trans_zone);
+ kmem_zone_destroy(xfs_ifork_zone);
+ kmem_zone_destroy(xfs_dabuf_zone);
+ kmem_zone_destroy(xfs_da_state_zone);
+ kmem_zone_destroy(xfs_btree_cur_zone);
+ kmem_zone_destroy(xfs_bmap_free_item_zone);
+ kmem_zone_destroy(xfs_log_ticket_zone);
+ mempool_destroy(xfs_ioend_pool);
+ kmem_zone_destroy(xfs_ioend_zone);
+ kmem_zone_destroy(xfs_vnode_zone);
+
+}
+
+STATIC int __init
+init_xfs_fs(void)
{
int error;
static char message[] __initdata = KERN_INFO \
@@ -1440,42 +2175,73 @@ init_xfs_fs( void )
printk(message);
ktrace_init(64);
+ vn_init();
+ xfs_dir_startup();
error = xfs_init_zones();
- if (error < 0)
- goto undo_zones;
+ if (error)
+ goto out;
+
+ error = xfs_alloc_trace_bufs();
+ if (error)
+ goto out_destroy_zones;
+
+ error = xfs_mru_cache_init();
+ if (error)
+ goto out_free_trace_buffers;
+
+ error = xfs_filestream_init();
+ if (error)
+ goto out_mru_cache_uninit;
error = xfs_buf_init();
- if (error < 0)
- goto undo_buffers;
+ if (error)
+ goto out_filestream_uninit;
+
+ error = xfs_init_procfs();
+ if (error)
+ goto out_buf_terminate;
+
+ error = xfs_sysctl_register();
+ if (error)
+ goto out_cleanup_procfs;
- vn_init();
- xfs_init();
- uuid_init();
vfs_initquota();
error = register_filesystem(&xfs_fs_type);
if (error)
- goto undo_register;
+ goto out_sysctl_unregister;
return 0;
-undo_register:
+ out_sysctl_unregister:
+ xfs_sysctl_unregister();
+ out_cleanup_procfs:
+ xfs_cleanup_procfs();
+ out_buf_terminate:
xfs_buf_terminate();
-
-undo_buffers:
+ out_filestream_uninit:
+ xfs_filestream_uninit();
+ out_mru_cache_uninit:
+ xfs_mru_cache_uninit();
+ out_free_trace_buffers:
+ xfs_free_trace_bufs();
+ out_destroy_zones:
xfs_destroy_zones();
-
-undo_zones:
+ out:
return error;
}
STATIC void __exit
-exit_xfs_fs( void )
+exit_xfs_fs(void)
{
vfs_exitquota();
unregister_filesystem(&xfs_fs_type);
- xfs_cleanup();
+ xfs_sysctl_unregister();
+ xfs_cleanup_procfs();
xfs_buf_terminate();
+ xfs_filestream_uninit();
+ xfs_mru_cache_uninit();
+ xfs_free_trace_bufs();
xfs_destroy_zones();
ktrace_uninit();
}
diff --git a/fs/xfs/linux-2.6/xfs_super.h b/fs/xfs/linux-2.6/xfs_super.h
index 3efb7c6d330..b7d13da01bd 100644
--- a/fs/xfs/linux-2.6/xfs_super.h
+++ b/fs/xfs/linux-2.6/xfs_super.h
@@ -107,12 +107,10 @@ extern void xfs_initialize_vnode(struct xfs_mount *mp, bhv_vnode_t *vp,
extern void xfs_flush_inode(struct xfs_inode *);
extern void xfs_flush_device(struct xfs_inode *);
-extern int xfs_blkdev_get(struct xfs_mount *, const char *,
- struct block_device **);
-extern void xfs_blkdev_put(struct block_device *);
extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
extern const struct export_operations xfs_export_operations;
+extern struct xattr_handler *xfs_xattr_handlers[];
#define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info))
diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c
index bb997d75c05..7dacb5bbde3 100644
--- a/fs/xfs/linux-2.6/xfs_sysctl.c
+++ b/fs/xfs/linux-2.6/xfs_sysctl.c
@@ -259,15 +259,17 @@ static ctl_table xfs_root_table[] = {
{}
};
-void
+int
xfs_sysctl_register(void)
{
xfs_table_header = register_sysctl_table(xfs_root_table);
+ if (!xfs_table_header)
+ return -ENOMEM;
+ return 0;
}
void
xfs_sysctl_unregister(void)
{
- if (xfs_table_header)
- unregister_sysctl_table(xfs_table_header);
+ unregister_sysctl_table(xfs_table_header);
}
diff --git a/fs/xfs/linux-2.6/xfs_sysctl.h b/fs/xfs/linux-2.6/xfs_sysctl.h
index 98b97e399d6..4aadb8056c3 100644
--- a/fs/xfs/linux-2.6/xfs_sysctl.h
+++ b/fs/xfs/linux-2.6/xfs_sysctl.h
@@ -93,10 +93,10 @@ enum {
extern xfs_param_t xfs_params;
#ifdef CONFIG_SYSCTL
-extern void xfs_sysctl_register(void);
+extern int xfs_sysctl_register(void);
extern void xfs_sysctl_unregister(void);
#else
-# define xfs_sysctl_register() do { } while (0)
+# define xfs_sysctl_register() (0)
# define xfs_sysctl_unregister() do { } while (0)
#endif /* CONFIG_SYSCTL */
diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c
index bc7afe00733..25488b6d988 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.c
+++ b/fs/xfs/linux-2.6/xfs_vnode.c
@@ -82,56 +82,6 @@ vn_ioerror(
xfs_do_force_shutdown(ip->i_mount, SHUTDOWN_DEVICE_REQ, f, l);
}
-/*
- * Revalidate the Linux inode from the XFS inode.
- * Note: i_size _not_ updated; we must hold the inode
- * semaphore when doing that - callers responsibility.
- */
-int
-vn_revalidate(
- bhv_vnode_t *vp)
-{
- struct inode *inode = vn_to_inode(vp);
- struct xfs_inode *ip = XFS_I(inode);
- struct xfs_mount *mp = ip->i_mount;
- unsigned long xflags;
-
- xfs_itrace_entry(ip);
-
- if (XFS_FORCED_SHUTDOWN(mp))
- return -EIO;
-
- xfs_ilock(ip, XFS_ILOCK_SHARED);
- inode->i_mode = ip->i_d.di_mode;
- inode->i_uid = ip->i_d.di_uid;
- inode->i_gid = ip->i_d.di_gid;
- inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
- inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
- inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
- inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
-
- xflags = xfs_ip2xflags(ip);
- if (xflags & XFS_XFLAG_IMMUTABLE)
- inode->i_flags |= S_IMMUTABLE;
- else
- inode->i_flags &= ~S_IMMUTABLE;
- if (xflags & XFS_XFLAG_APPEND)
- inode->i_flags |= S_APPEND;
- else
- inode->i_flags &= ~S_APPEND;
- if (xflags & XFS_XFLAG_SYNC)
- inode->i_flags |= S_SYNC;
- else
- inode->i_flags &= ~S_SYNC;
- if (xflags & XFS_XFLAG_NOATIME)
- inode->i_flags |= S_NOATIME;
- else
- inode->i_flags &= ~S_NOATIME;
- xfs_iunlock(ip, XFS_ILOCK_SHARED);
-
- xfs_iflags_clear(ip, XFS_IMODIFIED);
- return 0;
-}
/*
* Add a reference to a referenced vnode.
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index 25eb2a9e8d9..41ca2cec5d3 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -19,7 +19,6 @@
#define __XFS_VNODE_H__
struct file;
-struct bhv_vattr;
struct xfs_iomap;
struct attrlist_cursor_kern;
@@ -66,87 +65,8 @@ static inline struct inode *vn_to_inode(bhv_vnode_t *vnode)
Prevent VM access to the pages until
the operation completes. */
-/*
- * Vnode attributes. va_mask indicates those attributes the caller
- * wants to set or extract.
- */
-typedef struct bhv_vattr {
- int va_mask; /* bit-mask of attributes present */
- mode_t va_mode; /* file access mode and type */
- xfs_nlink_t va_nlink; /* number of references to file */
- uid_t va_uid; /* owner user id */
- gid_t va_gid; /* owner group id */
- xfs_ino_t va_nodeid; /* file id */
- xfs_off_t va_size; /* file size in bytes */
- u_long va_blocksize; /* blocksize preferred for i/o */
- struct timespec va_atime; /* time of last access */
- struct timespec va_mtime; /* time of last modification */
- struct timespec va_ctime; /* time file changed */
- u_int va_gen; /* generation number of file */
- xfs_dev_t va_rdev; /* device the special file represents */
- __int64_t va_nblocks; /* number of blocks allocated */
- u_long va_xflags; /* random extended file flags */
- u_long va_extsize; /* file extent size */
- u_long va_nextents; /* number of extents in file */
- u_long va_anextents; /* number of attr extents in file */
- prid_t va_projid; /* project id */
-} bhv_vattr_t;
-
-/*
- * setattr or getattr attributes
- */
-#define XFS_AT_TYPE 0x00000001
-#define XFS_AT_MODE 0x00000002
-#define XFS_AT_UID 0x00000004
-#define XFS_AT_GID 0x00000008
-#define XFS_AT_FSID 0x00000010
-#define XFS_AT_NODEID 0x00000020
-#define XFS_AT_NLINK 0x00000040
-#define XFS_AT_SIZE 0x00000080
-#define XFS_AT_ATIME 0x00000100
-#define XFS_AT_MTIME 0x00000200
-#define XFS_AT_CTIME 0x00000400
-#define XFS_AT_RDEV 0x00000800
-#define XFS_AT_BLKSIZE 0x00001000
-#define XFS_AT_NBLOCKS 0x00002000
-#define XFS_AT_VCODE 0x00004000
-#define XFS_AT_MAC 0x00008000
-#define XFS_AT_UPDATIME 0x00010000
-#define XFS_AT_UPDMTIME 0x00020000
-#define XFS_AT_UPDCTIME 0x00040000
-#define XFS_AT_ACL 0x00080000
-#define XFS_AT_CAP 0x00100000
-#define XFS_AT_INF 0x00200000
-#define XFS_AT_XFLAGS 0x00400000
-#define XFS_AT_EXTSIZE 0x00800000
-#define XFS_AT_NEXTENTS 0x01000000
-#define XFS_AT_ANEXTENTS 0x02000000
-#define XFS_AT_PROJID 0x04000000
-#define XFS_AT_SIZE_NOPERM 0x08000000
-#define XFS_AT_GENCOUNT 0x10000000
-
-#define XFS_AT_ALL (XFS_AT_TYPE|XFS_AT_MODE|XFS_AT_UID|XFS_AT_GID|\
- XFS_AT_FSID|XFS_AT_NODEID|XFS_AT_NLINK|XFS_AT_SIZE|\
- XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME|XFS_AT_RDEV|\
- XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_VCODE|XFS_AT_MAC|\
- XFS_AT_ACL|XFS_AT_CAP|XFS_AT_INF|XFS_AT_XFLAGS|XFS_AT_EXTSIZE|\
- XFS_AT_NEXTENTS|XFS_AT_ANEXTENTS|XFS_AT_PROJID|XFS_AT_GENCOUNT)
-
-#define XFS_AT_STAT (XFS_AT_TYPE|XFS_AT_MODE|XFS_AT_UID|XFS_AT_GID|\
- XFS_AT_FSID|XFS_AT_NODEID|XFS_AT_NLINK|XFS_AT_SIZE|\
- XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME|XFS_AT_RDEV|\
- XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_PROJID)
-
-#define XFS_AT_TIMES (XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME)
-
-#define XFS_AT_UPDTIMES (XFS_AT_UPDATIME|XFS_AT_UPDMTIME|XFS_AT_UPDCTIME)
-
-#define XFS_AT_NOSET (XFS_AT_NLINK|XFS_AT_RDEV|XFS_AT_FSID|XFS_AT_NODEID|\
- XFS_AT_TYPE|XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_VCODE|\
- XFS_AT_NEXTENTS|XFS_AT_ANEXTENTS|XFS_AT_GENCOUNT)
extern void vn_init(void);
-extern int vn_revalidate(bhv_vnode_t *);
/*
* Yeah, these don't take vnode anymore at all, all this should be
@@ -219,15 +139,6 @@ static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt)
#define VN_DIRTY(vp) mapping_tagged(vn_to_inode(vp)->i_mapping, \
PAGECACHE_TAG_DIRTY)
-/*
- * Flags to vop_setattr/getattr.
- */
-#define ATTR_UTIME 0x01 /* non-default utime(2) request */
-#define ATTR_DMI 0x08 /* invocation from a DMI function */
-#define ATTR_LAZY 0x80 /* set/get attributes lazily */
-#define ATTR_NONBLOCK 0x100 /* return EAGAIN if operation would block */
-#define ATTR_NOLOCK 0x200 /* Don't grab any conflicting locks */
-#define ATTR_NOSIZETOK 0x400 /* Don't get the SIZE token */
/*
* Tracking vnode activity.
diff --git a/fs/xfs/linux-2.6/xfs_xattr.c b/fs/xfs/linux-2.6/xfs_xattr.c
new file mode 100644
index 00000000000..964621fde6e
--- /dev/null
+++ b/fs/xfs/linux-2.6/xfs_xattr.c
@@ -0,0 +1,330 @@
+/*
+ * Copyright (C) 2008 Christoph Hellwig.
+ * Portions Copyright (C) 2000-2008 Silicon Graphics, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "xfs.h"
+#include "xfs_da_btree.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_inode.h"
+#include "xfs_attr.h"
+#include "xfs_attr_leaf.h"
+#include "xfs_acl.h"
+#include "xfs_vnodeops.h"
+
+#include <linux/posix_acl_xattr.h>
+#include <linux/xattr.h>
+
+
+/*
+ * ACL handling. Should eventually be moved into xfs_acl.c
+ */
+
+static int
+xfs_decode_acl(const char *name)
+{
+ if (strcmp(name, "posix_acl_access") == 0)
+ return _ACL_TYPE_ACCESS;
+ else if (strcmp(name, "posix_acl_default") == 0)
+ return _ACL_TYPE_DEFAULT;
+ return -EINVAL;
+}
+
+/*
+ * Get system extended attributes which at the moment only
+ * includes Posix ACLs.
+ */
+static int
+xfs_xattr_system_get(struct inode *inode, const char *name,
+ void *buffer, size_t size)
+{
+ int acl;
+
+ acl = xfs_decode_acl(name);
+ if (acl < 0)
+ return acl;
+
+ return xfs_acl_vget(inode, buffer, size, acl);
+}
+
+static int
+xfs_xattr_system_set(struct inode *inode, const char *name,
+ const void *value, size_t size, int flags)
+{
+ int acl;
+
+ acl = xfs_decode_acl(name);
+ if (acl < 0)
+ return acl;
+ if (flags & XATTR_CREATE)
+ return -EINVAL;
+
+ if (!value)
+ return xfs_acl_vremove(inode, acl);
+
+ return xfs_acl_vset(inode, (void *)value, size, acl);
+}
+
+static struct xattr_handler xfs_xattr_system_handler = {
+ .prefix = XATTR_SYSTEM_PREFIX,
+ .get = xfs_xattr_system_get,
+ .set = xfs_xattr_system_set,
+};
+
+
+/*
+ * Real xattr handling. The only difference between the namespaces is
+ * a flag passed to the low-level attr code.
+ */
+
+static int
+__xfs_xattr_get(struct inode *inode, const char *name,
+ void *value, size_t size, int xflags)
+{
+ struct xfs_inode *ip = XFS_I(inode);
+ int error, asize = size;
+
+ if (strcmp(name, "") == 0)
+ return -EINVAL;
+
+ /* Convert Linux syscall to XFS internal ATTR flags */
+ if (!size) {
+ xflags |= ATTR_KERNOVAL;
+ value = NULL;
+ }
+
+ error = -xfs_attr_get(ip, name, value, &asize, xflags);
+ if (error)
+ return error;
+ return asize;
+}
+
+static int
+__xfs_xattr_set(struct inode *inode, const char *name, const void *value,
+ size_t size, int flags, int xflags)
+{
+ struct xfs_inode *ip = XFS_I(inode);
+
+ if (strcmp(name, "") == 0)
+ return -EINVAL;
+
+ /* Convert Linux syscall to XFS internal ATTR flags */
+ if (flags & XATTR_CREATE)
+ xflags |= ATTR_CREATE;
+ if (flags & XATTR_REPLACE)
+ xflags |= ATTR_REPLACE;
+
+ if (!value)
+ return -xfs_attr_remove(ip, name, xflags);
+ return -xfs_attr_set(ip, name, (void *)value, size, xflags);
+}
+
+static int
+xfs_xattr_user_get(struct inode *inode, const char *name,
+ void *value, size_t size)
+{
+ return __xfs_xattr_get(inode, name, value, size, 0);
+}
+
+static int
+xfs_xattr_user_set(struct inode *inode, const char *name,
+ const void *value, size_t size, int flags)
+{
+ return __xfs_xattr_set(inode, name, value, size, flags, 0);
+}
+
+static struct xattr_handler xfs_xattr_user_handler = {
+ .prefix = XATTR_USER_PREFIX,
+ .get = xfs_xattr_user_get,
+ .set = xfs_xattr_user_set,
+};
+
+
+static int
+xfs_xattr_trusted_get(struct inode *inode, const char *name,
+ void *value, size_t size)
+{
+ return __xfs_xattr_get(inode, name, value, size, ATTR_ROOT);
+}
+
+static int
+xfs_xattr_trusted_set(struct inode *inode, const char *name,
+ const void *value, size_t size, int flags)
+{
+ return __xfs_xattr_set(inode, name, value, size, flags, ATTR_ROOT);
+}
+
+static struct xattr_handler xfs_xattr_trusted_handler = {
+ .prefix = XATTR_TRUSTED_PREFIX,
+ .get = xfs_xattr_trusted_get,
+ .set = xfs_xattr_trusted_set,
+};
+
+
+static int
+xfs_xattr_secure_get(struct inode *inode, const char *name,
+ void *value, size_t size)
+{
+ return __xfs_xattr_get(inode, name, value, size, ATTR_SECURE);
+}
+
+static int
+xfs_xattr_secure_set(struct inode *inode, const char *name,
+ const void *value, size_t size, int flags)
+{
+ return __xfs_xattr_set(inode, name, value, size, flags, ATTR_SECURE);
+}
+
+static struct xattr_handler xfs_xattr_security_handler = {
+ .prefix = XATTR_SECURITY_PREFIX,
+ .get = xfs_xattr_secure_get,
+ .set = xfs_xattr_secure_set,
+};
+
+
+struct xattr_handler *xfs_xattr_handlers[] = {
+ &xfs_xattr_user_handler,
+ &xfs_xattr_trusted_handler,
+ &xfs_xattr_security_handler,
+ &xfs_xattr_system_handler,
+ NULL
+};
+
+static unsigned int xfs_xattr_prefix_len(int flags)
+{
+ if (flags & XFS_ATTR_SECURE)
+ return sizeof("security");
+ else if (flags & XFS_ATTR_ROOT)
+ return sizeof("trusted");
+ else
+ return sizeof("user");
+}
+
+static const char *xfs_xattr_prefix(int flags)
+{
+ if (flags & XFS_ATTR_SECURE)
+ return xfs_xattr_security_handler.prefix;
+ else if (flags & XFS_ATTR_ROOT)
+ return xfs_xattr_trusted_handler.prefix;
+ else
+ return xfs_xattr_user_handler.prefix;
+}
+
+static int
+xfs_xattr_put_listent(struct xfs_attr_list_context *context, int flags,
+ char *name, int namelen, int valuelen, char *value)
+{
+ unsigned int prefix_len = xfs_xattr_prefix_len(flags);
+ char *offset;
+ int arraytop;
+
+ ASSERT(context->count >= 0);
+
+ /*
+ * Only show root namespace entries if we are actually allowed to
+ * see them.
+ */
+ if ((flags & XFS_ATTR_ROOT) && !capable(CAP_SYS_ADMIN))
+ return 0;
+
+ arraytop = context->count + prefix_len + namelen + 1;
+ if (arraytop > context->firstu) {
+ context->count = -1; /* insufficient space */
+ return 1;
+ }
+ offset = (char *)context->alist + context->count;
+ strncpy(offset, xfs_xattr_prefix(flags), prefix_len);
+ offset += prefix_len;
+ strncpy(offset, name, namelen); /* real name */
+ offset += namelen;
+ *offset = '\0';
+ context->count += prefix_len + namelen + 1;
+ return 0;
+}
+
+static int
+xfs_xattr_put_listent_sizes(struct xfs_attr_list_context *context, int flags,
+ char *name, int namelen, int valuelen, char *value)
+{
+ context->count += xfs_xattr_prefix_len(flags) + namelen + 1;
+ return 0;
+}
+
+static int
+list_one_attr(const char *name, const size_t len, void *data,
+ size_t size, ssize_t *result)
+{
+ char *p = data + *result;
+
+ *result += len;
+ if (!size)
+ return 0;
+ if (*result > size)
+ return -ERANGE;
+
+ strcpy(p, name);
+ return 0;
+}
+
+ssize_t
+xfs_vn_listxattr(struct dentry *dentry, char *data, size_t size)
+{
+ struct xfs_attr_list_context context;
+ struct attrlist_cursor_kern cursor = { 0 };
+ struct inode *inode = dentry->d_inode;
+ int error;
+
+ /*
+ * First read the regular on-disk attributes.
+ */
+ memset(&context, 0, sizeof(context));
+ context.dp = XFS_I(inode);
+ context.cursor = &cursor;
+ context.resynch = 1;
+ context.alist = data;
+ context.bufsize = size;
+ context.firstu = context.bufsize;
+
+ if (size)
+ context.put_listent = xfs_xattr_put_listent;
+ else
+ context.put_listent = xfs_xattr_put_listent_sizes;
+
+ xfs_attr_list_int(&context);
+ if (context.count < 0)
+ return -ERANGE;
+
+ /*
+ * Then add the two synthetic ACL attributes.
+ */
+ if (xfs_acl_vhasacl_access(inode)) {
+ error = list_one_attr(POSIX_ACL_XATTR_ACCESS,
+ strlen(POSIX_ACL_XATTR_ACCESS) + 1,
+ data, size, &context.count);
+ if (error)
+ return error;
+ }
+
+ if (xfs_acl_vhasacl_default(inode)) {
+ error = list_one_attr(POSIX_ACL_XATTR_DEFAULT,
+ strlen(POSIX_ACL_XATTR_DEFAULT) + 1,
+ data, size, &context.count);
+ if (error)
+ return error;
+ }
+
+ return context.count;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 03:36:27 +0000