author: Jan Kara <jack@suse.cz> 2012-07-03 16:45:32 +0200
committer: Al Viro <viro@zeniv.linux.org.uk> 2012-07-22 23:58:49 +0400
commit: a8c7176b6ded413d5044a00f1d05477b95a6d7ad
parent: 5c0d6b60a0ba46d45020547eacf7199171920935
Commit Summary:
Diffstat:
1 file changed, 10 insertions, 7 deletions
diff --git a/fs/sync.c b/fs/sync.c
index 490e90201135..0b166f26362d 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -85,10 +85,14 @@ static void sync_fs_one_sb(struct super_block *sb, void *arg)
sb->s_op->sync_fs(sb, *(int *)arg);
}
-static void sync_blkdev_one_sb(struct super_block *sb, void *arg)
+static void flush_one_bdev(struct block_device *bdev, void *arg)
{
- if (!(sb->s_flags & MS_RDONLY))
- __sync_blockdev(sb->s_bdev, *(int *)arg);
+ __sync_blockdev(bdev, 0);
+}
+
+static void sync_one_bdev(struct block_device *bdev, void *arg)
+{
+ sync_blockdev(bdev);
}
/*
@@ -102,10 +106,10 @@ SYSCALL_DEFINE0(sync)
wakeup_flusher_threads(0, WB_REASON_SYNC);
iterate_supers(writeback_inodes_one_sb, NULL);
iterate_supers(sync_fs_one_sb, &nowait);
- iterate_supers(sync_blkdev_one_sb, &nowait);
+ iterate_bdevs(flush_one_bdev, NULL);
iterate_supers(sync_inodes_one_sb, NULL);
iterate_supers(sync_fs_one_sb, &wait);
- iterate_supers(sync_blkdev_one_sb, &wait);
+ iterate_bdevs(sync_one_bdev, NULL);
if (unlikely(laptop_mode))
laptop_sync_completion();
return 0;
@@ -121,10 +125,10 @@ static void do_sync_work(struct work_struct *work)
*/
iterate_supers(sync_inodes_one_sb, &nowait);
iterate_supers(sync_fs_one_sb, &nowait);
- iterate_supers(sync_blkdev_one_sb, &nowait);
+ iterate_bdevs(flush_one_bdev, NULL);
iterate_supers(sync_inodes_one_sb, &nowait);
iterate_supers(sync_fs_one_sb, &nowait);
- iterate_supers(sync_blkdev_one_sb, &nowait);
+ iterate_bdevs(flush_one_bdev, NULL);
printk("Emergency Sync complete\n");
kfree(work);
}