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| author | Yan, Zheng <zyan@redhat.com> | 2017-07-24 17:59:39 +0800 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2017-09-06 19:56:44 +0200 |
| commit | 95569713afc0b53ded1bba67834e0be24529a8c9 (patch) | |
| tree | 213f9d7dc7f6420161906cc7c6c8ca18be19e9dc /fs/ceph/caps.c | |
| parent | 3fb99d483e614bc3834784c7a686572c7970bb92 (diff) | |
| download | linux-95569713afc0b53ded1bba67834e0be24529a8c9.tar.gz linux-95569713afc0b53ded1bba67834e0be24529a8c9.tar.bz2 linux-95569713afc0b53ded1bba67834e0be24529a8c9.zip | |
ceph: new cap message flags indicate if there is pending capsnap
These flags tell mds if there is pending capsnap explicitly.
Without this explicit notification, mds can only conclude if
client has pending capsnap. The method mds use is inefficient
and error-prone.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/caps.c')
| -rw-r--r-- | fs/ceph/caps.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 7007ae2a5ad2..b675c004f6a7 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1248,7 +1248,10 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap, arg.mode = inode->i_mode; arg.inline_data = ci->i_inline_version != CEPH_INLINE_NONE; - arg.flags = 0; + if (list_empty(&ci->i_cap_snaps)) + arg.flags = CEPH_CLIENT_CAPS_NO_CAPSNAP; + else + arg.flags = CEPH_CLIENT_CAPS_PENDING_CAPSNAP; if (sync) arg.flags |= CEPH_CLIENT_CAPS_SYNC; |