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generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-24 17:50:46 +0000
'oid'>5c2b23a174bd21b90c81e34f7ebfe265e8468077 /Documentation/devicetree/bindings parent77f18a87186a87cab2a027335758a7244896084c (diff)
scsi: megaraid_sas: Fix data integrity failure for JBOD (passthrough) devices
Commit 02b01e010afe ("megaraid_sas: return sync cache call with success") modified the driver to successfully complete SYNCHRONIZE_CACHE commands without passing them to the controller. Disk drive caches are only explicitly managed by controller firmware when operating in RAID mode. So this commit effectively disabled writeback cache flushing for any drives used in JBOD mode, leading to data integrity failures. [mkp: clarified patch description] Fixes: 02b01e010afeeb49328d35650d70721d2ca3fd59 CC: stable@vger.kernel.org Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com> Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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