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Groups > linux.kernel > #1350763
| From | Linus Torvalds <torvalds@linux-foundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 3/3] block: implement (some of) fallocate for block devices |
| Date | 2016-03-05 04:10 +0100 |
| Message-ID | <r9aLn-8jF-7@gated-at.bofh.it> (permalink) |
| References | <r98Jz-6FF-3@gated-at.bofh.it> <r98Jz-6FF-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Mar 4, 2016 at 4:56 PM, Darrick J. Wong <darrick.wong@oracle.com> wrote:
> + /* Only punch if the device can do zeroing discard. */
> + if ((mode & FALLOC_FL_PUNCH_HOLE) &&
> + (!blk_queue_discard(q) || !q->limits.discard_zeroes_data))
> + return -EOPNOTSUPP;
I'm ok with this, but suspect that some users would prefer to just
turn this into ZERO_RANGE silently.
Comments from people who would be expected to use this?
Linus
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[PATCH v6 0/3] fallocate for block devices to provide zero-out "Darrick J. Wong" <darrick.wong@oracle.com> - 2016-03-05 02:00 +0100
[PATCH 3/3] block: implement (some of) fallocate for block devices "Darrick J. Wong" <darrick.wong@oracle.com> - 2016-03-05 02:00 +0100
Re: [PATCH 3/3] block: implement (some of) fallocate for block devices Linus Torvalds <torvalds@linux-foundation.org> - 2016-03-05 04:10 +0100
Re: [PATCH 3/3] block: implement (some of) fallocate for block devices Christoph Hellwig <hch@infradead.org> - 2016-03-05 22:00 +0100
Re: [PATCH 3/3] block: implement (some of) fallocate for block devices Linus Torvalds <torvalds@linux-foundation.org> - 2016-03-05 04:20 +0100
Re: [PATCH 3/3] block: implement (some of) fallocate for block devices Christoph Hellwig <hch@infradead.org> - 2016-03-05 22:00 +0100
[PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT. "Darrick J. Wong" <darrick.wong@oracle.com> - 2016-03-05 02:00 +0100
Re: [PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT. Christoph Hellwig <hch@infradead.org> - 2016-03-15 08:40 +0100
[PATCH 2/3] block: require write_same and discard requests align to logical block size "Darrick J. Wong" <darrick.wong@oracle.com> - 2016-03-05 02:00 +0100
Re: [PATCH 2/3] block: require write_same and discard requests align to logical block size Linus Torvalds <torvalds@linux-foundation.org> - 2016-03-05 04:10 +0100
Re: [PATCH 2/3] block: require write_same and discard requests align to logical block size Christoph Hellwig <hch@infradead.org> - 2016-03-15 08:40 +0100
Re: [PATCH v6 0/3] fallocate for block devices to provide zero-out Linus Torvalds <torvalds@linux-foundation.org> - 2016-03-05 04:20 +0100
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