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authorYan, Zheng <zyan@redhat.com>2019-01-23 11:20:00 +0800
committerIlya Dryomov <idryomov@gmail.com>2019-03-05 18:55:17 +0100
commit32f6511a69eb36db9c6b9d77b8429837079f73b6 (patch)
tree375c8c7cf9d968fff66c70423de97496a2584488 /fs/ceph
parente450f4d1a5d633d60a7384b54dea3c89037d41b1 (diff)
downloadlinux-stericsson-32f6511a69eb36db9c6b9d77b8429837079f73b6.tar.gz
ceph: touch existing cap when handling reply
Move cap to tail of session->s_caps list. So ceph_trim_caps() will trim older caps first. Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/caps.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index da5b56e14cc7..6fbdc1a0afbe 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -657,6 +657,10 @@ void ceph_add_cap(struct inode *inode,
session->s_nr_caps++;
spin_unlock(&session->s_cap_lock);
} else {
+ spin_lock(&session->s_cap_lock);
+ list_move_tail(&cap->session_caps, &session->s_caps);
+ spin_unlock(&session->s_cap_lock);
+
if (cap->cap_gen < session->s_cap_gen)
cap->issued = cap->implemented = CEPH_CAP_PIN;