10 files changed, 261 insertions, 246 deletions

diff --git a/fs/xfs/linux-2.6/mutex.h b/fs/xfs/linux-2.6/mutex.h
deleted file mode 100644
index 2a88d56c4dc..00000000000
--- a/fs/xfs/linux-2.6/mutex.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * 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
- */
-#ifndef __XFS_SUPPORT_MUTEX_H__
-#define __XFS_SUPPORT_MUTEX_H__
-
-#include <linux/mutex.h>
-
-typedef struct mutex mutex_t;
-
-#endif /* __XFS_SUPPORT_MUTEX_H__ */
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index de3a198f771..c13f67300fe 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1623,4 +1623,5 @@ const struct address_space_operations xfs_address_space_operations = {
 	.bmap			= xfs_vm_bmap,
 	.direct_IO		= xfs_vm_direct_IO,
 	.migratepage		= buffer_migrate_page,
+	.is_partially_uptodate  = block_is_partially_uptodate,
 };
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 4bd112313f3..d0b499418a7 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -34,6 +34,7 @@
 #include "xfs_dir2_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
+#include "xfs_ioctl.h"
 #include "xfs_btree.h"
 #include "xfs_ialloc.h"
 #include "xfs_rtalloc.h"
@@ -78,92 +79,74 @@ xfs_find_handle(
 	int			hsize;
 	xfs_handle_t		handle;
 	struct inode		*inode;
+	struct file		*file = NULL;
+	struct path		path;
+	int			error;
+	struct xfs_inode	*ip;
 
-	memset((char *)&handle, 0, sizeof(handle));
-
-	switch (cmd) {
-	case XFS_IOC_PATH_TO_FSHANDLE:
-	case XFS_IOC_PATH_TO_HANDLE: {
-		struct path path;
-		int error = user_lpath((const char __user *)hreq->path, &path);
+	if (cmd == XFS_IOC_FD_TO_HANDLE) {
+		file = fget(hreq->fd);
+		if (!file)
+			return -EBADF;
+		inode = file->f_path.dentry->d_inode;
+	} else {
+		error = user_lpath((const char __user *)hreq->path, &path);
 		if (error)
 			return error;
-
-		ASSERT(path.dentry);
-		ASSERT(path.dentry->d_inode);
-		inode = igrab(path.dentry->d_inode);
-		path_put(&path);
-		break;
+		inode = path.dentry->d_inode;
 	}
+	ip = XFS_I(inode);
 
-	case XFS_IOC_FD_TO_HANDLE: {
-		struct file	*file;
-
-		file = fget(hreq->fd);
-		if (!file)
-		    return -EBADF;
+	/*
+	 * We can only generate handles for inodes residing on a XFS filesystem,
+	 * and only for regular files, directories or symbolic links.
+	 */
+	error = -EINVAL;
+	if (inode->i_sb->s_magic != XFS_SB_MAGIC)
+		goto out_put;
 
-		ASSERT(file->f_path.dentry);
-		ASSERT(file->f_path.dentry->d_inode);
-		inode = igrab(file->f_path.dentry->d_inode);
-		fput(file);
-		break;
-	}
+	error = -EBADF;
+	if (!S_ISREG(inode->i_mode) &&
+	    !S_ISDIR(inode->i_mode) &&
+	    !S_ISLNK(inode->i_mode))
+		goto out_put;
 
-	default:
-		ASSERT(0);
-		return -XFS_ERROR(EINVAL);
-	}
 
-	if (inode->i_sb->s_magic != XFS_SB_MAGIC) {
-		/* we're not in XFS anymore, Toto */
-		iput(inode);
-		return -XFS_ERROR(EINVAL);
-	}
+	memcpy(&handle.ha_fsid, ip->i_mount->m_fixedfsid, sizeof(xfs_fsid_t));
 
-	switch (inode->i_mode & S_IFMT) {
-	case S_IFREG:
-	case S_IFDIR:
-	case S_IFLNK:
-		break;
-	default:
-		iput(inode);
-		return -XFS_ERROR(EBADF);
-	}
-
-	/* now we can grab the fsid */
-	memcpy(&handle.ha_fsid, XFS_I(inode)->i_mount->m_fixedfsid,
-			sizeof(xfs_fsid_t));
-	hsize = sizeof(xfs_fsid_t);
-
-	if (cmd != XFS_IOC_PATH_TO_FSHANDLE) {
-		xfs_inode_t	*ip = XFS_I(inode);
+	if (cmd == XFS_IOC_PATH_TO_FSHANDLE) {
+		/*
+		 * This handle only contains an fsid, zero the rest.
+		 */
+		memset(&handle.ha_fid, 0, sizeof(handle.ha_fid));
+		hsize = sizeof(xfs_fsid_t);
+	} else {
 		int		lock_mode;
 
-		/* need to get access to the xfs_inode to read the generation */
 		lock_mode = xfs_ilock_map_shared(ip);
-
-		/* fill in fid section of handle from inode */
 		handle.ha_fid.fid_len = sizeof(xfs_fid_t) -
 					sizeof(handle.ha_fid.fid_len);
 		handle.ha_fid.fid_pad = 0;
 		handle.ha_fid.fid_gen = ip->i_d.di_gen;
 		handle.ha_fid.fid_ino = ip->i_ino;
-
 		xfs_iunlock_map_shared(ip, lock_mode);
 
 		hsize = XFS_HSIZE(handle);
 	}
 
-	/* now copy our handle into the user buffer & write out the size */
+	error = -EFAULT;
 	if (copy_to_user(hreq->ohandle, &handle, hsize) ||
-	    copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32))) {
-		iput(inode);
-		return -XFS_ERROR(EFAULT);
-	}
+	    copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32)))
+		goto out_put;
 
-	iput(inode);
-	return 0;
+	error = 0;
+
+ out_put:
+	if (cmd == XFS_IOC_FD_TO_HANDLE)
+		fput(file);
+	else
+		path_put(&path);
+	return error;
 }
 
 /*
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 2940612e3ae..6075382336d 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -211,8 +211,13 @@ xfs_vn_mknod(
 	 * Irix uses Missed'em'V split, but doesn't want to see
 	 * the upper 5 bits of (14bit) major.
 	 */
-	if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
-		return -EINVAL;
+	if (S_ISCHR(mode) || S_ISBLK(mode)) {
+		if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
+			return -EINVAL;
+		rdev = sysv_encode_dev(rdev);
+	} else {
+		rdev = 0;
+	}
 
 	if (test_default_acl && test_default_acl(dir)) {
 		if (!_ACL_ALLOC(default_acl)) {
@@ -224,28 +229,11 @@ xfs_vn_mknod(
 		}
 	}
 
-	xfs_dentry_to_name(&name, dentry);
-
 	if (IS_POSIXACL(dir) && !default_acl)
 		mode &= ~current_umask();
 
-	switch (mode & S_IFMT) {
-	case S_IFCHR:
-	case S_IFBLK:
-	case S_IFIFO:
-	case S_IFSOCK:
-		rdev = sysv_encode_dev(rdev);
-	case S_IFREG:
-		error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
-		break;
-	case S_IFDIR:
-		error = xfs_mkdir(XFS_I(dir), &name, mode, &ip, NULL);
-		break;
-	default:
-		error = EINVAL;
-		break;
-	}
-
+	xfs_dentry_to_name(&name, dentry);
+	error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
 	if (unlikely(error))
 		goto out_free_acl;
 
@@ -553,9 +541,6 @@ xfs_vn_getattr(
 	stat->uid = ip->i_d.di_uid;
 	stat->gid = ip->i_d.di_gid;
 	stat->ino = ip->i_ino;
-#if XFS_BIG_INUMS
-	stat->ino += mp->m_inoadd;
-#endif
 	stat->atime = inode->i_atime;
 	stat->mtime.tv_sec = ip->i_d.di_mtime.t_sec;
 	stat->mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 507492d6dcc..f65a53f8752 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -38,7 +38,6 @@
 #include <kmem.h>
 #include <mrlock.h>
 #include <sv.h>
-#include <mutex.h>
 #include <time.h>
 
 #include <support/ktrace.h>
@@ -51,6 +50,7 @@
 #include <linux/blkdev.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <linux/file.h>
 #include <linux/swap.h>
 #include <linux/errno.h>
@@ -147,17 +147,6 @@
 #define SYNCHRONIZE()	barrier()
 #define __return_address __builtin_return_address(0)
 
-/*
- * IRIX (BSD) quotactl makes use of separate commands for user/group,
- * whereas on Linux the syscall encodes this information into the cmd
- * field (see the QCMD macro in quota.h).  These macros help keep the
- * code portable - they are not visible from the syscall interface.
- */
-#define Q_XSETGQLIM	XQM_CMD(8)	/* set groups disk limits */
-#define Q_XGETGQUOTA	XQM_CMD(9)	/* get groups disk limits */
-#define Q_XSETPQLIM	XQM_CMD(10)	/* set projects disk limits */
-#define Q_XGETPQUOTA	XQM_CMD(11)	/* get projects disk limits */
-
 #define dfltprid	0
 #define MAXPATHLEN	1024
 
diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c
new file mode 100644
index 00000000000..94d9a633d3d
--- /dev/null
+++ b/fs/xfs/linux-2.6/xfs_quotaops.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2008, Christoph Hellwig
+ * All Rights Reserved.
+ *
+ * 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_dmapi.h"
+#include "xfs_sb.h"
+#include "xfs_inum.h"
+#include "xfs_ag.h"
+#include "xfs_mount.h"
+#include "xfs_quota.h"
+#include "xfs_log.h"
+#include "xfs_trans.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_inode.h"
+#include "quota/xfs_qm.h"
+#include <linux/quota.h>
+
+
+STATIC int
+xfs_quota_type(int type)
+{
+	switch (type) {
+	case USRQUOTA:
+		return XFS_DQ_USER;
+	case GRPQUOTA:
+		return XFS_DQ_GROUP;
+	default:
+		return XFS_DQ_PROJ;
+	}
+}
+
+STATIC int
+xfs_fs_quota_sync(
+	struct super_block	*sb,
+	int			type)
+{
+	struct xfs_mount	*mp = XFS_M(sb);
+
+	if (!XFS_IS_QUOTA_RUNNING(mp))
+		return -ENOSYS;
+	return -xfs_sync_inodes(mp, SYNC_DELWRI);
+}
+
+STATIC int
+xfs_fs_get_xstate(
+	struct super_block	*sb,
+	struct fs_quota_stat	*fqs)
+{
+	struct xfs_mount	*mp = XFS_M(sb);
+
+	if (!XFS_IS_QUOTA_RUNNING(mp))
+		return -ENOSYS;
+	return -xfs_qm_scall_getqstat(mp, fqs);
+}
+
+STATIC int
+xfs_fs_set_xstate(
+	struct super_block	*sb,
+	unsigned int		uflags,
+	int			op)
+{
+	struct xfs_mount	*mp = XFS_M(sb);
+	unsigned int		flags = 0;
+
+	if (sb->s_flags & MS_RDONLY)
+		return -EROFS;
+	if (!XFS_IS_QUOTA_RUNNING(mp))
+		return -ENOSYS;
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	if (uflags & XFS_QUOTA_UDQ_ACCT)
+		flags |= XFS_UQUOTA_ACCT;
+	if (uflags & XFS_QUOTA_PDQ_ACCT)
+		flags |= XFS_PQUOTA_ACCT;
+	if (uflags & XFS_QUOTA_GDQ_ACCT)
+		flags |= XFS_GQUOTA_ACCT;
+	if (uflags & XFS_QUOTA_UDQ_ENFD)
+		flags |= XFS_UQUOTA_ENFD;
+	if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD))
+		flags |= XFS_OQUOTA_ENFD;
+
+	switch (op) {
+	case Q_XQUOTAON:
+		return -xfs_qm_scall_quotaon(mp, flags);
+	case Q_XQUOTAOFF:
+		if (!XFS_IS_QUOTA_ON(mp))
+			return -EINVAL;
+		return -xfs_qm_scall_quotaoff(mp, flags);
+	case Q_XQUOTARM:
+		if (XFS_IS_QUOTA_ON(mp))
+			return -EINVAL;
+		return -xfs_qm_scall_trunc_qfiles(mp, flags);
+	}
+
+	return -EINVAL;
+}
+
+STATIC int
+xfs_fs_get_xquota(
+	struct super_block	*sb,
+	int			type,
+	qid_t			id,
+	struct fs_disk_quota	*fdq)
+{
+	struct xfs_mount	*mp = XFS_M(sb);
+
+	if (!XFS_IS_QUOTA_RUNNING(mp))
+		return -ENOSYS;
+	if (!XFS_IS_QUOTA_ON(mp))
+		return -ESRCH;
+
+	return -xfs_qm_scall_getquota(mp, id, xfs_quota_type(type), fdq);
+}
+
+STATIC int
+xfs_fs_set_xquota(
+	struct super_block	*sb,
+	int			type,
+	qid_t			id,
+	struct fs_disk_quota	*fdq)
+{
+	struct xfs_mount	*mp = XFS_M(sb);
+
+	if (sb->s_flags & MS_RDONLY)
+		return -EROFS;
+	if (!XFS_IS_QUOTA_RUNNING(mp))
+		return -ENOSYS;
+	if (!XFS_IS_QUOTA_ON(mp))
+		return -ESRCH;
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq);
+}
+
+struct quotactl_ops xfs_quotactl_operations = {
+	.quota_sync		= xfs_fs_quota_sync,
+	.get_xstate		= xfs_fs_get_xstate,
+	.set_xstate		= xfs_fs_set_xstate,
+	.get_xquota		= xfs_fs_get_xquota,
+	.set_xquota		= xfs_fs_set_xquota,
+};
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 32ae5028e96..bb685269f83 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -68,7 +68,6 @@
 #include <linux/freezer.h>
 #include <linux/parser.h>
 
-static struct quotactl_ops xfs_quotactl_operations;
 static struct super_operations xfs_super_operations;
 static kmem_zone_t *xfs_ioend_zone;
 mempool_t *xfs_ioend_pool;
@@ -79,7 +78,6 @@ mempool_t *xfs_ioend_pool;
 #define MNTOPT_RTDEV	"rtdev"		/* realtime I/O device */
 #define MNTOPT_BIOSIZE	"biosize"	/* log2 of preferred buffered io size */
 #define MNTOPT_WSYNC	"wsync"		/* safe-mode nfs compatible mount */
-#define MNTOPT_INO64	"ino64"		/* force inodes into 64-bit range */
 #define MNTOPT_NOALIGN	"noalign"	/* turn off stripe alignment */
 #define MNTOPT_SWALLOC	"swalloc"	/* turn on stripe width allocation */
 #define MNTOPT_SUNIT	"sunit"		/* data volume stripe unit */
@@ -180,7 +178,7 @@ xfs_parseargs(
 	int			dswidth = 0;
 	int			iosize = 0;
 	int			dmapi_implies_ikeep = 1;
-	uchar_t			iosizelog = 0;
+	__uint8_t		iosizelog = 0;
 
 	/*
 	 * Copy binary VFS mount flags we are interested in.
@@ -291,16 +289,6 @@ xfs_parseargs(
 			mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC;
 		} else if (!strcmp(this_char, MNTOPT_NORECOVERY)) {
 			mp->m_flags |= XFS_MOUNT_NORECOVERY;
-		} else if (!strcmp(this_char, MNTOPT_INO64)) {
-#if XFS_BIG_INUMS
-			mp->m_flags |= XFS_MOUNT_INO64;
-			mp->m_inoadd = XFS_INO64_OFFSET;
-#else
-			cmn_err(CE_WARN,
-				"XFS: %s option not allowed on this system",
-				this_char);
-			return EINVAL;
-#endif
 		} else if (!strcmp(this_char, MNTOPT_NOALIGN)) {
 			mp->m_flags |= XFS_MOUNT_NOALIGN;
 		} else if (!strcmp(this_char, MNTOPT_SWALLOC)) {
@@ -529,7 +517,6 @@ xfs_showargs(
 		/* the few simple ones we can get from the mount struct */
 		{ XFS_MOUNT_IKEEP,		"," MNTOPT_IKEEP },
 		{ XFS_MOUNT_WSYNC,		"," MNTOPT_WSYNC },
-		{ XFS_MOUNT_INO64,		"," MNTOPT_INO64 },
 		{ XFS_MOUNT_NOALIGN,		"," MNTOPT_NOALIGN },
 		{ XFS_MOUNT_SWALLOC,		"," MNTOPT_SWALLOC },
 		{ XFS_MOUNT_NOUUID,		"," MNTOPT_NOUUID },
@@ -634,7 +621,7 @@ xfs_max_file_offset(
 	return (((__uint64_t)pagefactor) << bitshift) - 1;
 }
 
-int
+STATIC int
 xfs_blkdev_get(
 	xfs_mount_t		*mp,
 	const char		*name,
@@ -651,7 +638,7 @@ xfs_blkdev_get(
 	return -error;
 }
 
-void
+STATIC void
 xfs_blkdev_put(
 	struct block_device	*bdev)
 {
@@ -872,7 +859,7 @@ xfsaild_wakeup(
 	wake_up_process(ailp->xa_task);
 }
 
-int
+STATIC int
 xfsaild(
 	void	*data)
 {
@@ -990,26 +977,57 @@ xfs_fs_write_inode(
 	int			sync)
 {
 	struct xfs_inode	*ip = XFS_I(inode);
+	struct xfs_mount	*mp = ip->i_mount;
 	int			error = 0;
-	int			flags = 0;
 
 	xfs_itrace_entry(ip);
+
+	if (XFS_FORCED_SHUTDOWN(mp))
+		return XFS_ERROR(EIO);
+
 	if (sync) {
 		error = xfs_wait_on_pages(ip, 0, -1);
 		if (error)
-			goto out_error;
-		flags |= FLUSH_SYNC;
+			goto out;
 	}
-	error = xfs_inode_flush(ip, flags);
 
-out_error:
+	/*
+	 * Bypass inodes which have already been cleaned by
+	 * the inode flush clustering code inside xfs_iflush
+	 */
+	if (xfs_inode_clean(ip))
+		goto out;
+
+	/*
+	 * We make this non-blocking if the inode is contended, return
+	 * EAGAIN to indicate to the caller that they did not succeed.
+	 * This prevents the flush path from blocking on inodes inside
+	 * another operation right now, they get caught later by xfs_sync.
+	 */
+	if (sync) {
+		xfs_ilock(ip, XFS_ILOCK_SHARED);
+		xfs_iflock(ip);
+
+		error = xfs_iflush(ip, XFS_IFLUSH_SYNC);
+	} else {
+		error = EAGAIN;
+		if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED))
+			goto out;
+		if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip))
+			goto out_unlock;
+
+		error = xfs_iflush(ip, XFS_IFLUSH_ASYNC_NOBLOCK);
+	}
+
+ out_unlock:
+	xfs_iunlock(ip, XFS_ILOCK_SHARED);
+ out:
 	/*
 	 * if we failed to write out the inode then mark
 	 * it dirty again so we'll try again later.
 	 */
 	if (error)
 		xfs_mark_inode_dirty_sync(ip);
-
 	return -error;
 }
 
@@ -1169,18 +1187,12 @@ xfs_fs_statfs(
 	statp->f_bfree = statp->f_bavail =
 				sbp->sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp);
 	fakeinos = statp->f_bfree << sbp->sb_inopblog;
-#if XFS_BIG_INUMS
-	fakeinos += mp->m_inoadd;
-#endif
 	statp->f_files =
 	    MIN(sbp->sb_icount + fakeinos, (__uint64_t)XFS_MAXINUMBER);
 	if (mp->m_maxicount)
-#if XFS_BIG_INUMS
-		if (!mp->m_inoadd)
-#endif
-			statp->f_files = min_t(typeof(statp->f_files),
-						statp->f_files,
-						mp->m_maxicount);
+		statp->f_files = min_t(typeof(statp->f_files),
+					statp->f_files,
+					mp->m_maxicount);
 	statp->f_ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
 	spin_unlock(&mp->m_sb_lock);
 
@@ -1302,57 +1314,6 @@ xfs_fs_show_options(
 	return -xfs_showargs(XFS_M(mnt->mnt_sb), m);
 }
 
-STATIC int
-xfs_fs_quotasync(
-	struct super_block	*sb,
-	int			type)
-{
-	return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XQUOTASYNC, 0, NULL);
-}
-
-STATIC int
-xfs_fs_getxstate(
-	struct super_block	*sb,
-	struct fs_quota_stat	*fqs)
-{
-	return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XGETQSTAT, 0, (caddr_t)fqs);
-}
-
-STATIC int
-xfs_fs_setxstate(
-	struct super_block	*sb,
-	unsigned int		flags,
-	int			op)
-{
-	return -XFS_QM_QUOTACTL(XFS_M(sb), op, 0, (caddr_t)&flags);
-}
-
-STATIC int
-xfs_fs_getxquota(
-	struct super_block	*sb,
-	int			type,
-	qid_t			id,
-	struct fs_disk_quota	*fdq)
-{
-	return -XFS_QM_QUOTACTL(XFS_M(sb),
-				 (type == USRQUOTA) ? Q_XGETQUOTA :
-				  ((type == GRPQUOTA) ? Q_XGETGQUOTA :
-				   Q_XGETPQUOTA), id, (caddr_t)fdq);
-}
-
-STATIC int
-xfs_fs_setxquota(
-	struct super_block	*sb,
-	int			type,
-	qid_t			id,
-	struct fs_disk_quota	*fdq)
-{
-	return -XFS_QM_QUOTACTL(XFS_M(sb),
-				 (type == USRQUOTA) ? Q_XSETQLIM :
-				  ((type == GRPQUOTA) ? Q_XSETGQLIM :
-				   Q_XSETPQLIM), id, (caddr_t)fdq);
-}
-
 /*
  * This function fills in xfs_mount_t fields based on mount args.
  * Note: the superblock _has_ now been read in.
@@ -1435,7 +1396,9 @@ xfs_fs_fill_super(
 	sb_min_blocksize(sb, BBSIZE);
 	sb->s_xattr = xfs_xattr_handlers;
 	sb->s_export_op = &xfs_export_operations;
+#ifdef CONFIG_XFS_QUOTA
 	sb->s_qcop = &xfs_quotactl_operations;
+#endif
 	sb->s_op = &xfs_super_operations;
 
 	error = xfs_dmops_get(mp);
@@ -1578,14 +1541,6 @@ static struct super_operations xfs_super_operations = {
 	.show_options		= xfs_fs_show_options,
 };
 
-static struct quotactl_ops xfs_quotactl_operations = {
-	.quota_sync		= xfs_fs_quotasync,
-	.get_xstate		= xfs_fs_getxstate,
-	.set_xstate		= xfs_fs_setxstate,
-	.get_xquota		= xfs_fs_getxquota,
-	.set_xquota		= xfs_fs_setxquota,
-};
-
 static struct file_system_type xfs_fs_type = {
 	.owner			= THIS_MODULE,
 	.name			= "xfs",
diff --git a/fs/xfs/linux-2.6/xfs_super.h b/fs/xfs/linux-2.6/xfs_super.h
index d5d776d4cd6..5a2ea3a2178 100644
--- a/fs/xfs/linux-2.6/xfs_super.h
+++ b/fs/xfs/linux-2.6/xfs_super.h
@@ -93,6 +93,7 @@ extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
 
 extern const struct export_operations xfs_export_operations;
 extern struct xattr_handler *xfs_xattr_handlers[];
+extern struct quotactl_ops xfs_quotactl_operations;
 
 #define XFS_M(sb)		((struct xfs_mount *)((sb)->s_fs_info))
 
diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/linux-2.6/xfs_sync.h
index 5f6de1efe1f..04f058c848a 100644
--- a/fs/xfs/linux-2.6/xfs_sync.h
+++ b/fs/xfs/linux-2.6/xfs_sync.h
@@ -19,6 +19,7 @@
 #define XFS_SYNC_H 1
 
 struct xfs_mount;
+struct xfs_perag;
 
 typedef struct bhv_vfs_sync_work {
 	struct list_head	w_list;
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index f65983a230d..ad7fbead4c9 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -41,11 +41,6 @@ struct attrlist_cursor_kern;
 #define IO_INVIS	0x00020		/* don't update inode timestamps */
 
 /*
- * Flags for xfs_inode_flush
- */
-#define FLUSH_SYNC		1	/* wait for flush to complete	*/
-
-/*
  * Flush/Invalidate options for vop_toss/flush/flushinval_pages.
  */
 #define FI_NONE			0	/* none */
@@ -55,33 +50,6 @@ struct attrlist_cursor_kern;
 					   the operation completes. */
 
 /*
- * Dealing with bad inodes
- */
-static inline int VN_BAD(struct inode *vp)
-{
-	return is_bad_inode(vp);
-}
-
-/*
- * Extracting atime values in various formats
- */
-static inline void vn_atime_to_bstime(struct inode *vp, xfs_bstime_t *bs_atime)
-{
-	bs_atime->tv_sec = vp->i_atime.tv_sec;
-	bs_atime->tv_nsec = vp->i_atime.tv_nsec;
-}
-
-static inline void vn_atime_to_timespec(struct inode *vp, struct timespec *ts)
-{
-	*ts = vp->i_atime;
-}
-
-static inline void vn_atime_to_time_t(struct inode *vp, time_t *tt)
-{
-	*tt = vp->i_atime.tv_sec;
-}
-
-/*
  * Some useful predicates.
  */
 #define VN_MAPPED(vp)	mapping_mapped(vp->i_mapping)