aboutsummaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/dir.c3
-rw-r--r--fs/nfs/inode.c55
-rw-r--r--fs/nfs/nfs4proc.c11
-rw-r--r--fs/nfs/proc.c1
-rw-r--r--fs/nfs/write.c6
5 files changed, 39 insertions, 37 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 7370583b61e..c0d1a214572 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1287,6 +1287,7 @@ dentry->d_parent->d_name.name, dentry->d_name.name);
nfs_begin_data_update(dentry->d_inode);
error = NFS_PROTO(dir)->rename(dir, &dentry->d_name,
dir, &qsilly);
+ nfs_mark_for_revalidate(dentry->d_inode);
nfs_end_data_update(dentry->d_inode);
} else
error = NFS_PROTO(dir)->rename(dir, &dentry->d_name,
@@ -1334,6 +1335,7 @@ static int nfs_safe_remove(struct dentry *dentry)
/* The VFS may want to delete this inode */
if (error == 0)
inode->i_nlink--;
+ nfs_mark_for_revalidate(inode);
nfs_end_data_update(inode);
} else
error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
@@ -1556,6 +1558,7 @@ go_ahead:
nfs_begin_data_update(old_inode);
error = NFS_PROTO(old_dir)->rename(old_dir, &old_dentry->d_name,
new_dir, &new_dentry->d_name);
+ nfs_mark_for_revalidate(old_inode);
nfs_end_data_update(old_inode);
nfs_end_data_update(new_dir);
nfs_end_data_update(old_dir);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index aaab1a5ac46..afd75d0463f 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -54,7 +54,7 @@
#define NFS_MAX_READAHEAD (RPC_DEF_SLOT_TABLE - 1)
static void nfs_invalidate_inode(struct inode *);
-static int nfs_update_inode(struct inode *, struct nfs_fattr *, unsigned long);
+static int nfs_update_inode(struct inode *, struct nfs_fattr *);
static struct inode *nfs_alloc_inode(struct super_block *sb);
static void nfs_destroy_inode(struct inode *);
@@ -1080,8 +1080,6 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
int status = -ESTALE;
struct nfs_fattr fattr;
struct nfs_inode *nfsi = NFS_I(inode);
- unsigned long verifier;
- unsigned long cache_validity;
dfprintk(PAGECACHE, "NFS: revalidating (%s/%Ld)\n",
inode->i_sb->s_id, (long long)NFS_FILEID(inode));
@@ -1106,8 +1104,6 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
}
}
- /* Protect against RPC races by saving the change attribute */
- verifier = nfs_save_change_attribute(inode);
status = NFS_PROTO(inode)->getattr(server, NFS_FH(inode), &fattr);
if (status != 0) {
dfprintk(PAGECACHE, "nfs_revalidate_inode: (%s/%Ld) getattr failed, error=%d\n",
@@ -1122,7 +1118,7 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
}
spin_lock(&inode->i_lock);
- status = nfs_update_inode(inode, &fattr, verifier);
+ status = nfs_update_inode(inode, &fattr);
if (status) {
spin_unlock(&inode->i_lock);
dfprintk(PAGECACHE, "nfs_revalidate_inode: (%s/%Ld) refresh failed, error=%d\n",
@@ -1130,20 +1126,11 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
(long long)NFS_FILEID(inode), status);
goto out;
}
- cache_validity = nfsi->cache_validity;
- nfsi->cache_validity &= ~NFS_INO_REVAL_PAGECACHE;
-
- /*
- * We may need to keep the attributes marked as invalid if
- * we raced with nfs_end_attr_update().
- */
- if (time_after_eq(verifier, nfsi->cache_change_attribute))
- nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME);
spin_unlock(&inode->i_lock);
nfs_revalidate_mapping(inode, inode->i_mapping);
- if (cache_validity & NFS_INO_INVALID_ACL)
+ if (nfsi->cache_validity & NFS_INO_INVALID_ACL)
nfs_zap_acl_cache(inode);
dfprintk(PAGECACHE, "NFS: (%s/%Ld) revalidation complete\n",
@@ -1346,10 +1333,8 @@ int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr)
return 0;
spin_lock(&inode->i_lock);
nfsi->cache_validity &= ~NFS_INO_REVAL_PAGECACHE;
- if (nfs_verify_change_attribute(inode, fattr->time_start))
- nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME);
if (time_after(fattr->time_start, nfsi->last_updated))
- status = nfs_update_inode(inode, fattr, fattr->time_start);
+ status = nfs_update_inode(inode, fattr);
else
status = nfs_check_inode_attributes(inode, fattr);
@@ -1375,10 +1360,7 @@ int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr)
nfsi->cache_validity |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS;
goto out;
}
- status = nfs_update_inode(inode, fattr, fattr->time_start);
- if (time_after_eq(fattr->time_start, nfsi->cache_change_attribute))
- nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME|NFS_INO_REVAL_PAGECACHE);
- nfsi->cache_change_attribute = jiffies;
+ status = nfs_update_inode(inode, fattr);
out:
spin_unlock(&inode->i_lock);
return status;
@@ -1396,12 +1378,12 @@ out:
*
* A very similar scenario holds for the dir cache.
*/
-static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsigned long verifier)
+static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
{
struct nfs_inode *nfsi = NFS_I(inode);
loff_t cur_isize, new_isize;
unsigned int invalid = 0;
- int data_unstable;
+ int data_stable;
dfprintk(VFS, "NFS: %s(%s/%ld ct=%d info=0x%x)\n",
__FUNCTION__, inode->i_sb->s_id, inode->i_ino,
@@ -1432,8 +1414,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
nfsi->last_updated = jiffies;
/* Are we racing with known updates of the metadata on the server? */
- data_unstable = ! (nfs_verify_change_attribute(inode, verifier) ||
- (nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE));
+ data_stable = nfs_verify_change_attribute(inode, fattr->time_start);
+ if (data_stable)
+ nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME);
/* Check if our cached file size is stale */
new_isize = nfs_size_to_loff_t(fattr->size);
@@ -1442,7 +1425,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
/* Do we perhaps have any outstanding writes? */
if (nfsi->npages == 0) {
/* No, but did we race with nfs_end_data_update()? */
- if (time_after_eq(verifier, nfsi->cache_change_attribute)) {
+ if (data_stable) {
inode->i_size = new_isize;
invalid |= NFS_INO_INVALID_DATA;
}
@@ -1451,6 +1434,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
inode->i_size = new_isize;
invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA;
}
+ nfsi->cache_change_attribute = jiffies;
dprintk("NFS: isize change on server for file %s/%ld\n",
inode->i_sb->s_id, inode->i_ino);
}
@@ -1460,8 +1444,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime));
dprintk("NFS: mtime change on server for file %s/%ld\n",
inode->i_sb->s_id, inode->i_ino);
- if (!data_unstable)
- invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA;
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA;
+ nfsi->cache_change_attribute = jiffies;
}
if ((fattr->valid & NFS_ATTR_FATTR_V4)
@@ -1469,15 +1453,15 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
dprintk("NFS: change_attr change on server for file %s/%ld\n",
inode->i_sb->s_id, inode->i_ino);
nfsi->change_attr = fattr->change_attr;
- if (!data_unstable)
- invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+ nfsi->cache_change_attribute = jiffies;
}
/* If ctime has changed we should definitely clear access+acl caches */
if (!timespec_equal(&inode->i_ctime, &fattr->ctime)) {
- if (!data_unstable)
- invalid |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+ invalid |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime));
+ nfsi->cache_change_attribute = jiffies;
}
memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
@@ -1515,6 +1499,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode)
|| S_ISLNK(inode->i_mode)))
invalid &= ~NFS_INO_INVALID_DATA;
+ if (data_stable)
+ invalid &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME|NFS_INO_REVAL_PAGECACHE);
if (!nfs_have_delegation(inode, FMODE_READ))
nfsi->cache_validity |= invalid;
@@ -2066,6 +2052,7 @@ static struct inode *nfs_alloc_inode(struct super_block *sb)
return NULL;
nfsi->flags = 0UL;
nfsi->cache_validity = 0UL;
+ nfsi->cache_change_attribute = jiffies;
#ifdef CONFIG_NFS_V3_ACL
nfsi->acl_access = ERR_PTR(-EAGAIN);
nfsi->acl_default = ERR_PTR(-EAGAIN);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 60e0dd800cc..f988a9417b1 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1506,10 +1506,15 @@ static int _nfs4_proc_write(struct nfs_write_data *wdata)
dprintk("NFS call write %d @ %Ld\n", wdata->args.count,
(long long) wdata->args.offset);
+ wdata->args.bitmask = server->attr_bitmask;
+ wdata->res.server = server;
nfs_fattr_init(fattr);
status = rpc_call_sync(server->client, &msg, rpcflags);
dprintk("NFS reply write: %d\n", status);
- return status;
+ if (status < 0)
+ return status;
+ nfs_post_op_update_inode(inode, fattr);
+ return wdata->res.count;
}
static int nfs4_proc_write(struct nfs_write_data *wdata)
@@ -1540,9 +1545,13 @@ static int _nfs4_proc_commit(struct nfs_write_data *cdata)
dprintk("NFS call commit %d @ %Ld\n", cdata->args.count,
(long long) cdata->args.offset);
+ cdata->args.bitmask = server->attr_bitmask;
+ cdata->res.server = server;
nfs_fattr_init(fattr);
status = rpc_call_sync(server->client, &msg, 0);
dprintk("NFS reply commit: %d\n", status);
+ if (status >= 0)
+ nfs_post_op_update_inode(inode, fattr);
return status;
}
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index a48a003242c..e1e3ca5d746 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -375,6 +375,7 @@ nfs_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
dprintk("NFS call link %s\n", name->name);
status = rpc_call(NFS_CLIENT(inode), NFSPROC_LINK, &arg, NULL, 0);
+ nfs_mark_for_revalidate(inode);
nfs_mark_for_revalidate(dir);
dprintk("NFS reply link: %d\n", status);
return status;
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 8f71e766cc5..3107908e5f3 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -189,6 +189,7 @@ static int nfs_writepage_sync(struct nfs_open_context *ctx, struct inode *inode,
(long long)NFS_FILEID(inode),
count, (long long)(page_offset(page) + offset));
+ set_page_writeback(page);
nfs_begin_data_update(inode);
do {
if (count < wsize)
@@ -221,6 +222,7 @@ static int nfs_writepage_sync(struct nfs_open_context *ctx, struct inode *inode,
io_error:
nfs_end_data_update(inode);
+ end_page_writeback(page);
nfs_writedata_free(wdata);
return written ? written : result;
}
@@ -929,7 +931,7 @@ static int nfs_flush_multi(struct list_head *head, struct inode *inode, int how)
atomic_set(&req->wb_complete, requests);
ClearPageError(page);
- SetPageWriteback(page);
+ set_page_writeback(page);
offset = 0;
nbytes = req->wb_bytes;
do {
@@ -992,7 +994,7 @@ static int nfs_flush_one(struct list_head *head, struct inode *inode, int how)
nfs_list_remove_request(req);
nfs_list_add_request(req, &data->pages);
ClearPageError(req->wb_page);
- SetPageWriteback(req->wb_page);
+ set_page_writeback(req->wb_page);
*pages++ = req->wb_page;
count += req->wb_bytes;
}