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ceph: Fix __ceph_do_pending_vmtruncate 

we should set i_truncate_pending to 0 after page cache is truncated
to i_truncate_size

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Yan, Zheng 2012-11-19 10:49:08 +08:00 committed by Alex Elder
parent 0685235ffd
commit a85f50b6ef
1 changed files with 9 additions and 6 deletions
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15
fs/ceph/inode.c
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@ -1466,7 +1466,7 @@ void __ceph_do_pending_vmtruncate(struct inode *inode)
{
struct ceph_inode_info *ci = ceph_inode(inode);
u64 to;
int wrbuffer_refs, wake = 0;
int wrbuffer_refs, finish = 0;
retry:
spin_lock(&ci->i_ceph_lock);
@ -1498,15 +1498,18 @@ retry:
truncate_inode_pages(inode->i_mapping, to);
spin_lock(&ci->i_ceph_lock);
ci->i_truncate_pending--;
if (ci->i_truncate_pending == 0)
wake = 1;
if (to == ci->i_truncate_size) {
ci->i_truncate_pending = 0;
finish = 1;
}
spin_unlock(&ci->i_ceph_lock);
if (!finish)
goto retry;
if (wrbuffer_refs == 0)
ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
if (wake)
wake_up_all(&ci->i_cap_wq);
wake_up_all(&ci->i_cap_wq);
}