3.7-stable review patch.  If anyone has any objections, please let me know.

------------------


From: "Yan, Zheng" <[email protected]>

(cherry picked from commit a85f50b6ef93fbbb2ae932ce9b2376509d172796)

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

Signed-off-by: Yan, Zheng <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 fs/ceph/inode.c |   15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1466,7 +1466,7 @@ void __ceph_do_pending_vmtruncate(struct
 {
        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);
 }
 
 


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to