[ADDED David Sterba and Linux-btrfs mailing list]
On 30.07.2018 01:04, Al Viro wrote:
> From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
>
> Cc: Chris Mason <clm@xxxxxx>
> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>
David, yout might want to pull this immediately, it's a nice cleanup.
> ---
> fs/btrfs/transaction.c | 2 +-
> fs/btrfs/tree-log.c | 5 ++---
> 2 files changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
> index ff5f6c719976..feb0348dbcbf 100644
> --- a/fs/btrfs/transaction.c
> +++ b/fs/btrfs/transaction.c
> @@ -680,7 +680,7 @@ btrfs_attach_transaction_barrier(struct btrfs_root *root)
>
> trans = start_transaction(root, 0, TRANS_ATTACH,
> BTRFS_RESERVE_NO_FLUSH, true);
> - if (IS_ERR(trans) && PTR_ERR(trans) == -ENOENT)
> + if (trans == ERR_PTR(-ENOENT))
> btrfs_wait_for_commit(root->fs_info, 0);
>
> return trans;
> diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
> index fcfbe1d8584a..2c13e8155ff1 100644
> --- a/fs/btrfs/tree-log.c
> +++ b/fs/btrfs/tree-log.c
> @@ -2116,7 +2116,7 @@ static noinline int check_item_in_log(struct btrfs_trans_handle *trans,
> dir_key->offset,
> name, name_len, 0);
> }
> - if (!log_di || (IS_ERR(log_di) && PTR_ERR(log_di) == -ENOENT)) {
> + if (!log_di || log_di == ERR_PTR(-ENOENT)) {
> btrfs_dir_item_key_to_cpu(eb, di, &location);
> btrfs_release_path(path);
> btrfs_release_path(log_path);
> @@ -5090,8 +5090,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
> * we don't need to do more work nor fallback to
> * a transaction commit.
> */
> - if (IS_ERR(other_inode) &&
> - PTR_ERR(other_inode) == -ENOENT) {
> + if (other_inode == ERR_PTR(-ENOENT)) {
> goto next_key;
> } else if (IS_ERR(other_inode)) {
> err = PTR_ERR(other_inode);
>
--
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