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btrfs: use BTRFS_PATH_AUTO_FREE in btrfs_init_root_free_objectid()

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This is the trivial pattern for path auto free, initialize at the
beginning and free at the end with simple goto -> return conversions.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2025-02-24 09:15:17 +01:00
parent aaa5ae8f6d
commit 72f2bae3c1
1 changed files with 5 additions and 8 deletions
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13
fs/btrfs/disk-io.c
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@ -4896,7 +4896,7 @@ static int btrfs_cleanup_transaction(struct btrfs_fs_info *fs_info)
int btrfs_init_root_free_objectid(struct btrfs_root *root)
{
struct btrfs_path *path;
BTRFS_PATH_AUTO_FREE(path);
int ret;
struct extent_buffer *l;
struct btrfs_key search_key;
@ -4912,14 +4912,13 @@ int btrfs_init_root_free_objectid(struct btrfs_root *root)
search_key.offset = (u64)-1;
ret = btrfs_search_slot(NULL, root, &search_key, path, 0, 0);
if (ret < 0)
goto error;
return ret;
if (ret == 0) {
/*
* Key with offset -1 found, there would have to exist a root
* with such id, but this is out of valid range.
*/
ret = -EUCLEAN;
goto error;
return -EUCLEAN;
}
if (path->slots[0] > 0) {
slot = path->slots[0] - 1;
@ -4930,10 +4929,8 @@ int btrfs_init_root_free_objectid(struct btrfs_root *root)
} else {
root->free_objectid = BTRFS_FIRST_FREE_OBJECTID;
}
ret = 0;
error:
btrfs_free_path(path);
return ret;
return 0;
}
int btrfs_get_free_objectid(struct btrfs_root *root, u64 *objectid)