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From: Chandan Babu R <chandanrlinux@gmail.com>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH V2 12/12] xfs: Error tag to test if v5 bulkstat skips inodes with large extent count
Date: Wed, 28 Jul 2021 13:08:35 +0530	[thread overview]
Message-ID: <87zgu6vqf8.fsf@garuda> (raw)
In-Reply-To: <8735ryx5o9.fsf@garuda>

On 28 Jul 2021 at 12:53, Chandan Babu R wrote:
> On 28 Jul 2021 at 04:40, Darrick J. Wong wrote:
>> On Mon, Jul 26, 2021 at 05:15:41PM +0530, Chandan Babu R wrote:
>>> This commit adds a new error tag to allow user space tests to check if V5
>>> bulkstat ioctl skips reporting inodes with large extent count.
>>>
>>> Signed-off-by: Chandan Babu R <chandanrlinux@gmail.com>
>>
>> Keep in mind that each of these injection knobs costs us 4 bytes per
>> mount.  No particular objections, but I don't know how urgently we need
>> to do that to test a corner case...
>>
>
> How about using the existing error tag XFS_RANDOM_REDUCE_MAX_IEXTENTS instead
> of creating a new one? XFS_RANDOM_REDUCE_MAX_IEXTENTS conveys the meaning that
> we use a pseudo max data/attr fork extent count. IMHO this fits into the
> bulkstat testing use case where we use a pseudo max data fork extent count.

Sorry, I actually meant to refer to XFS_ERRTAG_REDUCE_MAX_IEXTENTS instead of
XFS_RANDOM_REDUCE_MAX_IEXTENTS.

-- 
chandan

  reply	other threads:[~2021-07-28  7:38 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-26 11:45 [PATCH V2 00/12] xfs: Extend per-inode extent counters Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 01/12] xfs: Move extent count limits to xfs_format.h Chandan Babu R
2021-07-26 18:00   ` Darrick J. Wong
2021-07-27  8:07     ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 02/12] xfs: Rename MAXEXTNUM, MAXAEXTNUM to XFS_IFORK_EXTCNT_MAXS32, XFS_IFORK_EXTCNT_MAXS16 Chandan Babu R
2021-07-27 21:56   ` Darrick J. Wong
2021-07-27 22:03     ` Darrick J. Wong
2021-07-28  3:15       ` Chandan Babu R
2021-08-23  4:18         ` Chandan Babu R
2021-08-23  7:17           ` Chandan Babu R
2021-08-23 18:16             ` Darrick J. Wong
2021-07-26 11:45 ` [PATCH V2 03/12] xfs: Introduce xfs_iext_max() helper Chandan Babu R
2021-07-27 21:58   ` Darrick J. Wong
2021-07-28  3:17     ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 04/12] xfs: Use xfs_extnum_t instead of basic data types Chandan Babu R
2021-07-27 21:59   ` Darrick J. Wong
2021-07-28  3:38     ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 05/12] xfs: Introduce xfs_dfork_nextents() helper Chandan Babu R
2021-07-27 22:10   ` Darrick J. Wong
2021-07-28  4:06     ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 06/12] xfs: xfs_dfork_nextents: Return extent count via an out argument Chandan Babu R
2021-07-27 22:22   ` Darrick J. Wong
2021-07-28  4:21     ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 07/12] xfs: Rename inode's extent counter fields based on their width Chandan Babu R
2021-07-27 22:50   ` Darrick J. Wong
2021-07-28  5:48     ` Chandan Babu R
2021-07-28 19:04       ` Darrick J. Wong
2021-07-26 11:45 ` [PATCH V2 08/12] xfs: Promote xfs_extnum_t and xfs_aextnum_t to 64 and 32-bits respectively Chandan Babu R
2021-07-27 22:29   ` Darrick J. Wong
2021-07-26 11:45 ` [PATCH V2 09/12] xfs: Rename XFS_IOC_BULKSTAT to XFS_IOC_BULKSTAT_V5 Chandan Babu R
2021-07-27 22:54   ` Darrick J. Wong
2021-07-27 23:00     ` Darrick J. Wong
2021-07-27 23:17       ` Dave Chinner
2021-07-28  6:56         ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 10/12] xfs: Enable bulkstat ioctl to support 64-bit extent counters Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 11/12] xfs: Extend per-inode extent counter widths Chandan Babu R
2021-07-27 23:09   ` Darrick J. Wong
2021-07-28  7:17     ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 12/12] xfs: Error tag to test if v5 bulkstat skips inodes with large extent count Chandan Babu R
2021-07-27 23:10   ` Darrick J. Wong
2021-07-28  7:23     ` Chandan Babu R
2021-07-28  7:38       ` Chandan Babu R [this message]
2021-07-28 19:06         ` Darrick J. Wong
2021-07-28 21:27 ` [PATCH V2 00/12] xfs: Extend per-inode extent counters Darrick J. Wong
2021-07-29  6:40   ` Chandan Babu R

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