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-rw-r--r--fs/nfs/nfs4proc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index f48dfb7f3691..c08c46a3b8cd 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3268,6 +3268,7 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
.rpc_resp = &res,
};
int status;
+ int i;
bitmask[0] = FATTR4_WORD0_SUPPORTED_ATTRS |
FATTR4_WORD0_FH_EXPIRE_TYPE |
@@ -3333,8 +3334,13 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
server->cache_consistency_bitmask[0] &= FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE;
server->cache_consistency_bitmask[1] &= FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY;
server->cache_consistency_bitmask[2] = 0;
+
+ /* Avoid a regression due to buggy server */
+ for (i = 0; i < ARRAY_SIZE(res.exclcreat_bitmask); i++)
+ res.exclcreat_bitmask[i] &= res.attr_bitmask[i];
memcpy(server->exclcreat_bitmask, res.exclcreat_bitmask,
sizeof(server->exclcreat_bitmask));
+
server->acl_bitmask = res.acl_bitmask;
server->fh_expire_type = res.fh_expire_type;
}