From: Trond Myklebust <trond.myklebust@hammerspace.com>
Date: Tue, 28 Sep 2021 11:15:53 -0400
Subject: [PATCH] NFS: Don't set NFS_INO_DATA_INVAL_DEFER and
NFS_INO_INVALID_DATA
Git-commit: 488796ec1e39fb9194cc8175f770823d40fbf0ed
Patch-mainline: v5.16-rc1
References: git-fixes
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@hammerspace.com>
Tested-by: Benjamin Coddington <bcodding@redhat.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Acked-by: NeilBrown <neilb@suse.com>
---
fs/nfs/inode.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -208,9 +208,14 @@ static void nfs_set_cache_invalid(struct
| NFS_INO_REVAL_PAGECACHE);
}
- if (inode->i_mapping->nrpages == 0)
- flags &= ~(NFS_INO_INVALID_DATA|NFS_INO_DATA_INVAL_DEFER);
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;
+
if (flags & NFS_INO_INVALID_DATA)
nfs_fscache_invalidate(inode);
}