summaryrefslogtreecommitdiff
path: root/fs/ceph
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/inode.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 4906ada4a97c..55aaddb4047e 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1465,7 +1465,14 @@ static void ceph_vmtruncate_work(struct work_struct *work)
struct inode *inode = &ci->vfs_inode;
dout("vmtruncate_work %p\n", inode);
- mutex_lock(&inode->i_mutex);
+ if (!mutex_trylock(&inode->i_mutex)) {
+ /*
+ * the i_mutex can be hold by a writer who is waiting for
+ * caps. wake up waiters, they will do pending vmtruncate.
+ */
+ wake_up_all(&ci->i_cap_wq);
+ mutex_lock(&inode->i_mutex);
+ }
__ceph_do_pending_vmtruncate(inode);
mutex_unlock(&inode->i_mutex);
iput(inode);