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authorDavid Sterba <dsterba@suse.com>2020-05-15 19:35:55 +0200
committerDavid Sterba <dsterba@suse.com>2020-05-25 11:25:36 +0200
commit56e9357a1e8167134388d4c70654795353765c7b (patch)
treee89265fd992d94c54fffb639cf4ee39bd268cfdb /fs/btrfs/scrub.c
parent1dae7e0e58b484eaa43d530f211098fdeeb0f404 (diff)
btrfs: simplify root lookup by id
The main function to lookup a root by its id btrfs_get_fs_root takes the whole key, while only using the objectid. The value of offset is preset to (u64)-1 but not actually used until btrfs_find_root that does the actual search. Switch btrfs_get_fs_root to use only objectid and remove all local variables that existed just for the lookup. The actual key for search is set up in btrfs_get_fs_root, reusing another key variable. Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/scrub.c')
-rw-r--r--fs/btrfs/scrub.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 0f7740970553..016a025e36c7 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -647,13 +647,9 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, u64 root,
struct btrfs_fs_info *fs_info = swarn->dev->fs_info;
struct inode_fs_paths *ipath = NULL;
struct btrfs_root *local_root;
- struct btrfs_key root_key;
struct btrfs_key key;
- root_key.objectid = root;
- root_key.type = BTRFS_ROOT_ITEM_KEY;
- root_key.offset = (u64)-1;
- local_root = btrfs_get_fs_root(fs_info, &root_key, true);
+ local_root = btrfs_get_fs_root(fs_info, root, true);
if (IS_ERR(local_root)) {
ret = PTR_ERR(local_root);
goto err;