[PATCH 6.11 036/184] NFS: Fix attribute delegation behaviour on exclusive create

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6.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>

[ Upstream commit d054c5eb2890633935c23c371f45fb2d6b3b4b64 ]

When the client does an exclusive create and the server decides to store
the verifier in the timestamps, a SETATTR is subsequently sent to fix up
those timestamps. When that is the case, suppress the exceptions for
attribute delegations in nfs4_bitmap_copy_adjust().

Fixes: 32215c1f893a ("NFSv4: Don't request atime/mtime/size if they are delegated to us")
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Anna Schumaker <anna.schumaker@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/nfs/nfs4proc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index cd2fbde2e6d72..9d40319e063de 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3452,6 +3452,10 @@ static int nfs4_do_setattr(struct inode *inode, const struct cred *cred,
 		adjust_flags |= NFS_INO_INVALID_MODE;
 	if (sattr->ia_valid & (ATTR_UID | ATTR_GID))
 		adjust_flags |= NFS_INO_INVALID_OTHER;
+	if (sattr->ia_valid & ATTR_ATIME)
+		adjust_flags |= NFS_INO_INVALID_ATIME;
+	if (sattr->ia_valid & ATTR_MTIME)
+		adjust_flags |= NFS_INO_INVALID_MTIME;
 
 	do {
 		nfs4_bitmap_copy_adjust(bitmask, nfs4_bitmask(server, fattr->label),
-- 
2.43.0







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