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| author | Alex Lyakas <alex.bolshoy@gmail.com> | 2016-03-10 13:09:46 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-03-22 10:07:43 +0100 |
| commit | 8bd98f0e6bf792e8fa7c3fed709321ad42ba8d2e (patch) | |
| tree | 08a834dc29f1312f69671fa24527135c656a8bf1 /fs/btrfs/disk-io.c | |
| parent | 5e33a2bd7ca7fa687fb0965869196eea6815d1f3 (diff) | |
| download | lwn-8bd98f0e6bf792e8fa7c3fed709321ad42ba8d2e.tar.gz lwn-8bd98f0e6bf792e8fa7c3fed709321ad42ba8d2e.zip | |
btrfs: csum_tree_block: return proper errno value
Signed-off-by: Alex Lyakas <alex@zadarastorage.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index a998ef15ec6d..9cafae5c2061 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -302,7 +302,7 @@ static int csum_tree_block(struct btrfs_fs_info *fs_info, err = map_private_extent_buffer(buf, offset, 32, &kaddr, &map_start, &map_len); if (err) - return 1; + return err; cur_len = min(len, map_len - (offset - map_start)); crc = btrfs_csum_data(kaddr + offset - map_start, crc, cur_len); @@ -312,7 +312,7 @@ static int csum_tree_block(struct btrfs_fs_info *fs_info, if (csum_size > sizeof(inline_result)) { result = kzalloc(csum_size, GFP_NOFS); if (!result) - return 1; + return -ENOMEM; } else { result = (char *)&inline_result; } @@ -333,7 +333,7 @@ static int csum_tree_block(struct btrfs_fs_info *fs_info, val, found, btrfs_header_level(buf)); if (result != (char *)&inline_result) kfree(result); - return 1; + return -EUCLEAN; } } else { write_extent_buffer(buf, result, 0, csum_size); @@ -515,8 +515,7 @@ static int csum_dirty_buffer(struct btrfs_fs_info *fs_info, struct page *page) found_start = btrfs_header_bytenr(eb); if (WARN_ON(found_start != start || !PageUptodate(page))) return 0; - csum_tree_block(fs_info, eb, 0); - return 0; + return csum_tree_block(fs_info, eb, 0); } static int check_tree_block_fsid(struct btrfs_fs_info *fs_info, @@ -660,10 +659,8 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, eb, found_level); ret = csum_tree_block(fs_info, eb, 1); - if (ret) { - ret = -EIO; + if (ret) goto err; - } /* * If this is a leaf block and it is corrupt, set the corrupt bit so |