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-rw-r--r--fs/ceph/caps.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 51546d54b841..7bf182b03973 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2384,7 +2384,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
ceph_cap_string(cap->issued),
ceph_cap_string(newcaps),
ceph_cap_string(revoking));
- if (revoking & CEPH_CAP_FILE_BUFFER)
+ if (revoking & used & CEPH_CAP_FILE_BUFFER)
writeback = 1; /* initiate writeback; will delay ack */
else if (revoking == CEPH_CAP_FILE_CACHE &&
(newcaps & CEPH_CAP_FILE_LAZYIO) == 0 &&