diff options
Diffstat (limited to 'fs/ceph/file.c')
| -rw-r--r-- | fs/ceph/file.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c index bc0735498d29..abc0e0759bdc 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -773,6 +773,13 @@ retry_snap: goto retry_snap; } } else { + /* + * No need to acquire the i_truncate_mutex. Because + * the MDS revokes Fwb caps before sending truncate + * message to us. We can't get Fwb cap while there + * are pending vmtruncate. So write and vmtruncate + * can not run at the same time + */ written = generic_file_buffered_write(iocb, iov, nr_segs, pos, &iocb->ki_pos, count, 0); @@ -819,7 +826,6 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int whence) int ret; mutex_lock(&inode->i_mutex); - __ceph_do_pending_vmtruncate(inode); if (whence == SEEK_END || whence == SEEK_DATA || whence == SEEK_HOLE) { ret = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE); |