diff options
| -rw-r--r-- | fs/fs-writeback.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 05713a5da083..ef600591d96f 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -1769,15 +1769,13 @@ static long wb_writeback(struct bdi_writeback *wb, * become available for writeback. Otherwise * we'll just busyloop. */ - if (!list_empty(&wb->b_more_io)) { - trace_writeback_wait(wb, work); - inode = wb_inode(wb->b_more_io.prev); - spin_lock(&inode->i_lock); - spin_unlock(&wb->list_lock); - /* This function drops i_lock... */ - inode_sleep_on_writeback(inode); - spin_lock(&wb->list_lock); - } + trace_writeback_wait(wb, work); + inode = wb_inode(wb->b_more_io.prev); + spin_lock(&inode->i_lock); + spin_unlock(&wb->list_lock); + /* This function drops i_lock... */ + inode_sleep_on_writeback(inode); + spin_lock(&wb->list_lock); } spin_unlock(&wb->list_lock); blk_finish_plug(&plug); |