From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Akinobu Mita <akinobu.mita@gmail.com>
Cc: linux-scsi@vger.kernel.org,
"James E.J. Bottomley" <JBottomley@parallels.com>,
Douglas Gilbert <dgilbert@interlog.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>
Subject: Re: [PATCH 4/6] scsi_debug: add translation functions between LBA and index of provisioning map
Date: Wed, 24 Apr 2013 21:43:17 -0400 [thread overview]
Message-ID: <yq1ppxjtmfe.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <1366117920-11740-5-git-send-email-akinobu.mita@gmail.com> (Akinobu Mita's message of "Tue, 16 Apr 2013 22:11:58 +0900")
>>>>> "Akinobu" == Akinobu Mita <akinobu.mita@gmail.com> writes:
Akinobu> The translation from LBA to index of provisioning map
Akinobu> (map_storep) is used in various places (map_state(),
Akinobu> map_region(), and unmap_region()). But it is not correctly
Akinobu> calculated if scsi_debug_unmap_alignment is zero.
Akinobu> This introduces correct translation functions between LBA and
Akinobu> index of provisioning map:
Akinobu> static unsigned long lba_to_map_index(sector_t lba);
Akinobu> static sector_t map_index_to_lba(unsigned long index);
Akinobu> Actual bug fixes with using these functions will be done by
Akinobu> forthcoming patches.
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2013-04-25 1:43 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-16 13:11 [PATCH 0/6] scsi_debug: fix logical block provisioning support Akinobu Mita
2013-04-16 13:11 ` [PATCH 1/6] scsi_debug: call map_region() and unmap_region() only when needed Akinobu Mita
2013-04-25 1:59 ` Martin K. Petersen
2013-04-16 13:11 ` [PATCH 2/6] scsi_debug: prohibit scsi_debug_unmap_granularity == scsi_debug_unmap_alignment Akinobu Mita
2013-04-25 1:37 ` Martin K. Petersen
2013-04-16 13:11 ` [PATCH 3/6] scsi_debug: clear correct memory region when LBPRZ is enabled Akinobu Mita
2013-04-25 1:42 ` Martin K. Petersen
2013-04-16 13:11 ` [PATCH 4/6] scsi_debug: add translation functions between LBA and index of provisioning map Akinobu Mita
2013-04-25 1:43 ` Martin K. Petersen [this message]
2013-05-02 22:50 ` James Bottomley
2013-04-16 13:11 ` [PATCH 5/6] scsi_debug: fix initialization " Akinobu Mita
2013-04-25 1:44 ` Martin K. Petersen
2013-04-16 13:12 ` [PATCH 6/6] scsi_debug: fix logical block provisioning support Akinobu Mita
2013-04-25 1:46 ` Martin K. Petersen
2013-04-24 23:39 ` [PATCH 0/6] " Douglas Gilbert
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