If there were outstanding writes then chalk up the unexpected change
attribute on the server to them.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/inode.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 52e7d6869e3b..60051e62d3f1 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1729,12 +1729,15 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
if (inode->i_version != fattr->change_attr) {
dprintk("NFS: change_attr change on server for file %s/%ld\n",
inode->i_sb->s_id, inode->i_ino);
- invalid |= NFS_INO_INVALID_ATTR
- | NFS_INO_INVALID_DATA
- | NFS_INO_INVALID_ACCESS
- | NFS_INO_INVALID_ACL;
- if (S_ISDIR(inode->i_mode))
- nfs_force_lookup_revalidate(inode);
+ /* Could it be a race with writeback? */
+ if (nfsi->nrequests == 0) {
+ invalid |= NFS_INO_INVALID_ATTR
+ | NFS_INO_INVALID_DATA
+ | NFS_INO_INVALID_ACCESS
+ | NFS_INO_INVALID_ACL;
+ if (S_ISDIR(inode->i_mode))
+ nfs_force_lookup_revalidate(inode);
+ }
inode->i_version = fattr->change_attr;
}
} else {
--
2.7.4
--
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