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Btrfs: return error code to caller when btrfs_del_item fails 

The error code is returned instead of calling BUG_ON when
btrfs_del_item returns the error.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
wifi-calibration
Tsutomu Itoh 2011-05-19 04:37:44 +00:00 committed by Chris Mason
parent b0b802d7e3
commit 65a246c5ff
4 changed files with 19 additions and 11 deletions
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10
fs/btrfs/file-item.c
View File

@ -551,10 +551,10 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
if (ret > 0) {
if (path->slots[0] == 0)
goto out;
break;
path->slots[0]--;
} else if (ret < 0) {
goto out;
break;
}
leaf = path->nodes[0];
@ -579,7 +579,8 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
/* delete the entire item, it is inside our range */
if (key.offset >= bytenr && csum_end <= end_byte) {
ret = btrfs_del_item(trans, root, path);
BUG_ON(ret);
if (ret)
goto out;
if (key.offset == bytenr)
break;
} else if (key.offset < bytenr && csum_end > end_byte) {
@ -633,9 +634,10 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
}
btrfs_release_path(root, path);
}
ret = 0;
out:
btrfs_free_path(path);
return 0;
return ret;
}
int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans,

6
fs/btrfs/root-tree.c
View File

@ -385,7 +385,10 @@ again:
*sequence = btrfs_root_ref_sequence(leaf, ref);
ret = btrfs_del_item(trans, tree_root, path);
BUG_ON(ret);
if (ret) {
err = ret;
goto out;
}
} else
err = -ENOENT;
@ -397,6 +400,7 @@ again:
goto again;
}
out:
btrfs_free_path(path);
return err;
}

10
fs/btrfs/tree-log.c
View File

@ -1050,7 +1050,8 @@ static noinline int fixup_inode_link_counts(struct btrfs_trans_handle *trans,
break;
ret = btrfs_del_item(trans, root, path);
BUG_ON(ret);
if (ret)
goto out;
btrfs_release_path(root, path);
inode = read_one_inode(root, key.offset);
@ -1068,8 +1069,10 @@ static noinline int fixup_inode_link_counts(struct btrfs_trans_handle *trans,
*/
key.offset = (u64)-1;
}
ret = 0;
out:
btrfs_release_path(root, path);
return 0;
return ret;
}
@ -2587,7 +2590,8 @@ static int drop_objectid_items(struct btrfs_trans_handle *trans,
break;
ret = btrfs_del_item(trans, log, path);
BUG_ON(ret);
if (ret)
break;
btrfs_release_path(log, path);
}
btrfs_release_path(log, path);

4
fs/btrfs/volumes.c
View File

@ -967,7 +967,6 @@ static int btrfs_free_dev_extent(struct btrfs_trans_handle *trans,
if (device->bytes_used > 0)
device->bytes_used -= btrfs_dev_extent_length(leaf, extent);
ret = btrfs_del_item(trans, root, path);
BUG_ON(ret);
out:
btrfs_free_path(path);
@ -1770,10 +1769,9 @@ static int btrfs_free_chunk(struct btrfs_trans_handle *trans,
BUG_ON(ret);
ret = btrfs_del_item(trans, root, path);
BUG_ON(ret);
btrfs_free_path(path);
return 0;
return ret;
}
static int btrfs_del_sys_chunk(struct btrfs_root *root, u64 chunk_objectid, u64