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btrfs: clean up locking name in scrub_enumerate_chunks() 

The "&fs_info->dev_replace.rwsem" and "&dev_replace->rwsem" refer to
the same lock but Smatch is not clever enough to figure that out so it
leads to static checker warnings.  It's better to use it consistently
anyway.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
alistair/sunxi64-5.5-dsi
Dan Carpenter 2019-10-31 13:55:01 +03:00 committed by David Sterba
parent 6ef108dd0c
commit 3ec17a67cc
1 changed files with 3 additions and 3 deletions
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6
fs/btrfs/scrub.c
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@ -3620,7 +3620,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
break;
}
down_write(&fs_info->dev_replace.rwsem);
down_write(&dev_replace->rwsem);
dev_replace->cursor_right = found_key.offset + length;
dev_replace->cursor_left = found_key.offset;
dev_replace->item_needs_writeback = 1;
@ -3661,10 +3661,10 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
scrub_pause_off(fs_info);
down_write(&fs_info->dev_replace.rwsem);
down_write(&dev_replace->rwsem);
dev_replace->cursor_left = dev_replace->cursor_right;
dev_replace->item_needs_writeback = 1;
up_write(&fs_info->dev_replace.rwsem);
up_write(&dev_replace->rwsem);
if (ro_set)
btrfs_dec_block_group_ro(cache);