Re: [PATCH 2/2] block: create ioctl to discard-or-zeroout a range of blocks
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: 2016-03-03 18:54:54
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linux-fsdevel, lkml
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"Christoph" == Christoph Hellwig [off-list ref] writes:
Christoph> - FALLOC_FL_PUNCH_HOLE assures zeroes are returned, but Christoph> space is deallocated as much as possible - Christoph> FALLOC_FL_ZERO_RANGE assures zeroes are returned, AND blocks Christoph> are actually allocated That works for me. I think it would be great if we could have consistent interfaces for fs and block. The more commonality the merrier. -- Martin K. Petersen Oracle Linux Engineering