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ceph: make ceph_update_writeable_page() uninterruptible 

ceph_update_writeable_page() is used by ceph_write_begin(). It beaks
atomicity of write operation if it's interruptible.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Yan, Zheng 2016-05-13 11:30:24 +08:00 committed by Ilya Dryomov
parent 0e76abf21e
commit a78bbd4b29
1 changed files with 1 additions and 1 deletions
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2
fs/ceph/addr.c
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@ -1168,7 +1168,7 @@ retry_locked:
snapc = ceph_get_snap_context(snapc); snapc = ceph_get_snap_context(snapc);
unlock_page(page); unlock_page(page);
ceph_queue_writeback(inode); ceph_queue_writeback(inode);
r = wait_event_interruptible(ci->i_cap_wq, r = wait_event_killable(ci->i_cap_wq,
context_is_writeable_or_written(inode, snapc)); context_is_writeable_or_written(inode, snapc));
ceph_put_snap_context(snapc); ceph_put_snap_context(snapc);
if (r == -ERESTARTSYS) if (r == -ERESTARTSYS)