Commit a85f50b6 authored by Yan, Zheng's avatar Yan, Zheng Committed by Alex Elder
Browse files

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: default avatarYan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: default avatarSage Weil <sage@inktank.com>
parent 0685235f

fs/ceph/inode.c

+9 −6
Original line number Diff line number Diff line
@@ -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);
@@ -1498,14 +1498,17 @@ void __ceph_do_pending_vmtruncate(struct inode *inode) 
	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);

}