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btrfs: always drop log root tree reference in btrfs_replay_log()

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Currently we have this odd behaviour:

1) At btrfs_replay_log() we drop the reference of the log root tree if
   the call to btrfs_recover_log_trees() failed;

2) But if the call to btrfs_recover_log_trees() did not fail, we don't
   drop the reference in btrfs_replay_log() - we expect that
   btrfs_recover_log_trees() does it in case it returns success.

Let's simplify this and make btrfs_replay_log() always drop the reference
on the log root tree, not only this simplifies code as it's what makes
sense since it's btrfs_replay_log() who grabbed the reference in the first
place.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Filipe Manana
2025-08-27 12:10:28 +01:00
committed by David Sterba
parent 4b7699f406
commit 2f5b8095ea
2 changed files with 1 additions and 2 deletions
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2
fs/btrfs/disk-io.c
View File

@@ -2088,10 +2088,10 @@ static int btrfs_replay_log(struct btrfs_fs_info *fs_info,
/* returns with log_tree_root freed on success */
ret = btrfs_recover_log_trees(log_tree_root);
btrfs_put_root(log_tree_root);
if (ret) {
btrfs_handle_fs_error(fs_info, ret,
"Failed to recover log tree");
btrfs_put_root(log_tree_root);
return ret;
}

1
fs/btrfs/tree-log.c
View File

@@ -7586,7 +7586,6 @@ next:
return ret;
clear_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags);
btrfs_put_root(log_root_tree);
return 0;
error: