This is a note to let you know that I've just added the patch titled
NFS: Don't set NFS_INO_DATA_INVAL_DEFER and NFS_INO_INVALID_DATA
to the 5.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfs-don-t-set-nfs_ino_data_inval_defer-and-nfs_ino_i.patch
and it can be found in the queue-5.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 238a9369f7c09f7270a70b12c7355bae348138cd
Author: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Date: Tue Sep 28 11:15:53 2021 -0400
NFS: Don't set NFS_INO_DATA_INVAL_DEFER and NFS_INO_INVALID_DATA
[ Upstream commit 488796ec1e39fb9194cc8175f770823d40fbf0ed ]
NFS_INO_DATA_INVAL_DEFER and NFS_INO_INVALID_DATA should be considered
mutually exclusive.
Fixes: 1c341b777501 ("NFS: Add deferred cache invalidation for close-to-open consistency violations")
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Tested-by: Benjamin Coddington <bcodding@xxxxxxxxxx>
Reviewed-by: Benjamin Coddington <bcodding@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 6ea1bde33cb62..f9d3ad3acf114 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -210,10 +210,15 @@ void nfs_set_cache_invalid(struct inode *inode, unsigned long flags)
flags &= ~NFS_INO_INVALID_XATTR;
if (flags & NFS_INO_INVALID_DATA)
nfs_fscache_invalidate(inode);
- if (inode->i_mapping->nrpages == 0)
- flags &= ~(NFS_INO_INVALID_DATA|NFS_INO_DATA_INVAL_DEFER);
flags &= ~(NFS_INO_REVAL_PAGECACHE | NFS_INO_REVAL_FORCED);
+
nfsi->cache_validity |= flags;
+
+ if (inode->i_mapping->nrpages == 0)
+ nfsi->cache_validity &= ~(NFS_INO_INVALID_DATA |
+ NFS_INO_DATA_INVAL_DEFER);
+ else if (nfsi->cache_validity & NFS_INO_INVALID_DATA)
+ nfsi->cache_validity &= ~NFS_INO_DATA_INVAL_DEFER;
}
EXPORT_SYMBOL_GPL(nfs_set_cache_invalid);
