linux-xfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Allison Henderson <allison.henderson@oracle.com>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH v22 04/16] xfs: Return from xfs_attr_set_iter if there are no more rmtblks to process
Date: Wed, 28 Jul 2021 02:01:55 -0700	[thread overview]
Message-ID: <6180e7d4-bc38-fe01-a031-8b4853cc356d@oracle.com> (raw)
In-Reply-To: <20210727233022.GZ559212@magnolia>



On 7/27/21 4:30 PM, Darrick J. Wong wrote:
> On Mon, Jul 26, 2021 at 11:20:41PM -0700, Allison Henderson wrote:
>> During an attr rename operation, blocks are saved for later removal
>> as rmtblkno2. The rmtblkno is used in the case of needing to alloc
>> more blocks if not enough were available.  However, in the case
>> that neither rmtblkno or rmtblkno2 are set, we can return as soon
>> as xfs_attr_node_addname completes, rather than rolling the transaction
>> with an -EAGAIN return.  This extra loop does not hurt anything right
>> now, but it will be a problem later when we get into log items because
>> we end up with an empty log transaction.  So, add a simple check to
>> cut out the unneeded iteration.
>>
>> Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
> 
> Looks good,
> Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Great, thanks!

Allison

> 
> --D
> 
>> ---
>>   fs/xfs/libxfs/xfs_attr.c | 7 +++++++
>>   1 file changed, 7 insertions(+)
>>
>> diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
>> index d9d7d51..5040fc1 100644
>> --- a/fs/xfs/libxfs/xfs_attr.c
>> +++ b/fs/xfs/libxfs/xfs_attr.c
>> @@ -409,6 +409,13 @@ xfs_attr_set_iter(
>>   			if (error)
>>   				return error;
>>   
>> +			/*
>> +			 * If addname was successful, and we dont need to alloc
>> +			 * or remove anymore blks, we're done.
>> +			 */
>> +			if (!args->rmtblkno && !args->rmtblkno2)
>> +				return 0;
>> +
>>   			dac->dela_state = XFS_DAS_FOUND_NBLK;
>>   		}
>>   		return -EAGAIN;
>> -- 
>> 2.7.4
>>

  reply	other threads:[~2021-07-28  9:02 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-27  6:20 [PATCH v22 00/16] Delayed Attributes Allison Henderson
2021-07-27  6:20 ` [PATCH v22 01/16] xfs: allow setting and clearing of log incompat feature flags Allison Henderson
2021-07-27 12:24   ` Chandan Babu R
2021-07-28  9:01     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 02/16] xfs: clear log incompat feature bits when the log is idle Allison Henderson
2021-07-27 12:46   ` Chandan Babu R
2021-07-28  9:02     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 03/16] xfs: refactor xfs_iget calls from log intent recovery Allison Henderson
2021-07-28 11:54   ` Chandan Babu R
2021-07-30  9:17     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 04/16] xfs: Return from xfs_attr_set_iter if there are no more rmtblks to process Allison Henderson
2021-07-27 23:30   ` Darrick J. Wong
2021-07-28  9:01     ` Allison Henderson [this message]
2021-07-28 12:18   ` Chandan Babu R
2021-07-30  9:17     ` Allison Henderson
2021-08-09 17:24   ` Darrick J. Wong
2021-07-27  6:20 ` [PATCH v22 05/16] xfs: Add state machine tracepoints Allison Henderson
2021-07-28 13:42   ` Chandan Babu R
2021-07-30  9:17     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 06/16] xfs: Rename __xfs_attr_rmtval_remove Allison Henderson
2021-07-29  7:56   ` Chandan Babu R
2021-07-30  9:17     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 07/16] xfs: Handle krealloc errors in xlog_recover_add_to_cont_trans Allison Henderson
2021-07-29  8:27   ` Chandan Babu R
2021-07-30  9:17     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 08/16] xfs: Set up infrastructure for deferred attribute operations Allison Henderson
2021-07-28  0:56   ` Darrick J. Wong
2021-07-28  9:04     ` Allison Henderson
2021-07-30  4:46   ` Chandan Babu R
2021-07-30  9:17     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 09/16] xfs: Implement attr logging and replay Allison Henderson
2021-07-27  9:38   ` Chandan Babu R
2021-07-28  9:01     ` Allison Henderson
2021-07-28  0:39   ` Darrick J. Wong
2021-07-28  9:05     ` Allison Henderson
2021-07-30 12:21   ` Chandan Babu R
2021-08-02  8:33     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 10/16] RFC xfs: Skip flip flags for delayed attrs Allison Henderson
2021-07-28 19:18   ` Darrick J. Wong
2021-07-31  5:11     ` Allison Henderson
2021-08-02  7:47       ` Allison Henderson
2021-07-30 14:40   ` Chandan Babu R
2021-08-02  8:33     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 11/16] xfs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Allison Henderson
2021-07-28 19:24   ` Darrick J. Wong
2021-08-02  8:18     ` Allison Henderson
2021-07-30 14:58   ` Chandan Babu R
2021-08-02  8:33     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 12/16] xfs: Remove unused xfs_attr_*_args Allison Henderson
2021-07-28 19:31   ` Darrick J. Wong
2021-08-02  8:11     ` Allison Henderson
2021-08-02  3:26   ` Chandan Babu R
2021-08-02  8:33     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 13/16] xfs: Add delayed attributes error tag Allison Henderson
2021-08-02  3:27   ` Chandan Babu R
2021-08-02  8:33     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 14/16] xfs: Add delattr mount option Allison Henderson
2021-07-28  0:47   ` Darrick J. Wong
2021-07-28  2:13     ` Dave Chinner
2021-07-28  9:05       ` Allison Henderson
2021-07-28  9:02     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 15/16] xfs: Merge xfs_delattr_context into xfs_attr_item Allison Henderson
2021-08-02  3:27   ` Chandan Babu R
2021-08-02  8:33     ` Allison Henderson
2021-07-27  6:20 ` [PATCH v22 16/16] xfs: Add helper function xfs_attr_leaf_addname Allison Henderson
2021-07-28 19:52   ` Darrick J. Wong
2021-08-02  8:18     ` Allison Henderson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=6180e7d4-bc38-fe01-a031-8b4853cc356d@oracle.com \
    --to=allison.henderson@oracle.com \
    --cc=djwong@kernel.org \
    --cc=linux-xfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).