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From: Chandan Babu R <chandanrlinux@gmail.com>
To: Allison Henderson <allison.henderson@oracle.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH v16 07/11] xfs: Hoist xfs_attr_node_addname
Date: Fri, 02 Apr 2021 09:56:09 +0530	[thread overview]
Message-ID: <87sg4971ni.fsf@garuda> (raw)
In-Reply-To: <20210326003308.32753-8-allison.henderson@oracle.com>

On 26 Mar 2021 at 06:03, Allison Henderson wrote:
> This patch hoists the later half of xfs_attr_node_addname into
> the calling function.  We do this because it is this area that
> will need the most state management, and we want to keep such
> code in the same scope as much as possible
>
> Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
> Reviewed-by: Brian Foster <bfoster@redhat.com>
> Reviewed-by: Darrick J. Wong <djwong@kernel.org>
> ---
>  fs/xfs/libxfs/xfs_attr.c | 161 +++++++++++++++++++++++------------------------
>  1 file changed, 78 insertions(+), 83 deletions(-)
>
> diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
> index 16159f6..5b5410f 100644
> --- a/fs/xfs/libxfs/xfs_attr.c
> +++ b/fs/xfs/libxfs/xfs_attr.c
> @@ -52,6 +52,7 @@ STATIC int xfs_attr_leaf_hasname(struct xfs_da_args *args, struct xfs_buf **bp);
>   * Internal routines when attribute list is more than one block.
>   */
>  STATIC int xfs_attr_node_get(xfs_da_args_t *args);
> +STATIC void xfs_attr_restore_rmt_blk(struct xfs_da_args *args);
>  STATIC int xfs_attr_node_addname(struct xfs_da_args *args,
>  				 struct xfs_da_state *state);
>  STATIC int xfs_attr_node_addname_find_attr(struct xfs_da_args *args,
> @@ -270,8 +271,8 @@ xfs_attr_set_args(
>  	struct xfs_da_args	*args)
>  {
>  	struct xfs_inode	*dp = args->dp;
> -	struct xfs_da_state     *state;
> -	int			error;
> +	struct xfs_da_state     *state = NULL;
> +	int			error = 0;
>
>  	/*
>  	 * If the attribute list is already in leaf format, jump straight to
> @@ -322,8 +323,79 @@ xfs_attr_set_args(
>  			return error;
>  		error = xfs_attr_node_addname(args, state);
>  	} while (error == -EAGAIN);
> +	if (error)
> +		return error;

Memory pointed to by 'state' is leaked if the call to either xfs_da3_split()
or xfs_defer_finish() inside xfs_attr_node_addname() return an error.

--
chandan

  reply	other threads:[~2021-04-02  4:26 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-26  0:32 [PATCH v16 00/11] xfs: Delay Ready Attributes Allison Henderson
2021-03-26  0:32 ` [PATCH v16 01/11] xfs: Reverse apply 72b97ea40d Allison Henderson
2021-03-29  8:44   ` Chandan Babu R
2021-04-02  9:47     ` Allison Henderson
2021-04-01 15:43   ` Brian Foster
2021-04-02  9:49     ` Allison Henderson
2021-03-26  0:32 ` [PATCH v16 02/11] xfs: Add xfs_attr_node_remove_cleanup Allison Henderson
2021-03-26  0:33 ` [PATCH v16 03/11] xfs: Hoist xfs_attr_set_shortform Allison Henderson
2021-03-29  9:21   ` Chandan Babu R
2021-04-02  9:47     ` Allison Henderson
2021-03-26  0:33 ` [PATCH v16 04/11] xfs: Add helper xfs_attr_set_fmt Allison Henderson
2021-03-29  9:37   ` Chandan Babu R
2021-04-02  9:47     ` Allison Henderson
2021-03-26  0:33 ` [PATCH v16 05/11] xfs: Separate xfs_attr_node_addname and xfs_attr_node_addname_clear_incomplete Allison Henderson
2021-03-29 14:42   ` Chandan Babu R
2021-04-02  9:00     ` Allison Henderson
2021-03-26  0:33 ` [PATCH v16 06/11] xfs: Add helper xfs_attr_node_addname_find_attr Allison Henderson
2021-04-02  4:05   ` Chandan Babu R
2021-04-02  9:50     ` Allison Henderson
2021-03-26  0:33 ` [PATCH v16 07/11] xfs: Hoist xfs_attr_node_addname Allison Henderson
2021-04-02  4:26   ` Chandan Babu R [this message]
2021-04-02  9:01     ` Allison Henderson
2021-03-26  0:33 ` [PATCH v16 08/11] xfs: Hoist xfs_attr_leaf_addname Allison Henderson
2021-04-01 15:43   ` Brian Foster
2021-04-02  9:01     ` Allison Henderson
2021-04-05 13:15       ` Brian Foster
2021-04-02  4:40   ` Chandan Babu R
2021-04-02  9:50     ` Allison Henderson
2021-03-26  0:33 ` [PATCH v16 09/11] xfs: Hoist node transaction handling Allison Henderson
2021-04-02  5:04   ` Chandan Babu R
2021-04-02  9:51     ` Allison Henderson
2021-03-26  0:33 ` [PATCH v16 10/11] xfs: Add delay ready attr remove routines Allison Henderson
2021-04-01 16:55   ` Brian Foster
2021-04-02  9:42     ` Allison Henderson
2021-04-05 13:15       ` Brian Foster
2021-04-02  7:59   ` Chandan Babu R
2021-04-02  9:45     ` Allison Henderson
2021-03-26  0:33 ` [PATCH v16 11/11] xfs: Add delay ready attr set routines Allison Henderson
2021-04-01 16:57   ` Brian Foster
2021-04-02  9:01     ` Allison Henderson
2021-04-05 13:17       ` Brian Foster
2021-04-14 18:14         ` Allison Henderson
2021-03-29 21:59 ` [PATCH v16 00/11] xfs: Delay Ready Attributes Darrick J. Wong
2021-04-02  9:49   ` Allison Henderson

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