Re: [PATCH v2 2/7] bvec/iter: disallow zero-length segment bvecs
From: Matthew Wilcox <willy@infradead.org>
Date: 2021-01-04 16:39:03
Also in:
linux-block, linux-doc, linux-fsdevel, linux-scsi, linux-xfs, lkml, target-devel
On Sat, Jan 02, 2021 at 03:17:34PM +0000, Pavel Begunkov wrote:
quoted hunk ↗ jump to hunk
--- a/Documentation/filesystems/porting.rst +++ b/Documentation/filesystems/porting.rst@@ -865,3 +865,10 @@ no matter what. Everything is handled by the caller. clone_private_mount() returns a longterm mount now, so the proper destructor of its result is kern_unmount() or kern_unmount_array(). + +--- + +**mandatory** + +zero-length bvec segments are disallowed, they must be filtered out before +passed on to an iterator.
Why are you putting this in filesystems/porting? Filesystems don't usually generate bvecs ... there's nothing in this current series that stops them. I'd suggest Documentation/block/biovecs.rst or biodoc.rst (and frankly, biodoc.rst needs a good cleanup)