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path: root/drivers/md/dm.c
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Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r--drivers/md/dm.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 5d40555b42ba..bb3ad79c14d7 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1055,14 +1055,17 @@ int dm_suspend(struct mapped_device *md)
if (test_bit(DMF_BLOCK_IO, &md->flags))
goto out_read_unlock;
- error = __lock_fs(md);
- if (error)
- goto out_read_unlock;
-
map = dm_get_table(md);
if (map)
+ /* This does not get reverted if there's an error later. */
dm_table_presuspend_targets(map);
+ error = __lock_fs(md);
+ if (error) {
+ dm_table_put(map);
+ goto out_read_unlock;
+ }
+
up_read(&md->lock);
/*
@@ -1121,7 +1124,6 @@ int dm_suspend(struct mapped_device *md)
return 0;
out_unfreeze:
- /* FIXME Undo dm_table_presuspend_targets */
__unlock_fs(md);
clear_bit(DMF_BLOCK_IO, &md->flags);
out_write_unlock: