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bio: use memzero_page() in bio_truncate() 

Patch series "Remove zero_user()".

The zero_user() API is almost unused these days.  Finish the job of
removing it.


This patch (of 5):

memzero_page() is the new name for zero_user().

Link: https://lkml.kernel.org/r/20250612143443.2848197-1-willy@infradead.org
Link: https://lkml.kernel.org/r/20250612143443.2848197-2-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Alex Markuze <amarkuze@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Xiubo Li <xiubli@redhat.com>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
pull/1311/head
Matthew Wilcox (Oracle) 2025-06-12 15:34:37 +01:00 committed by Andrew Morton
parent a984f16fba
commit ff20487308
1 changed files with 2 additions and 2 deletions
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4
block/bio.c
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@ -653,13 +653,13 @@ static void bio_truncate(struct bio *bio, unsigned new_size)
bio_for_each_segment(bv, bio, iter) { bio_for_each_segment(bv, bio, iter) {
if (done + bv.bv_len > new_size) { if (done + bv.bv_len > new_size) {
unsigned offset; size_t offset;
if (!truncated) if (!truncated)
offset = new_size - done; offset = new_size - done;
else else
offset = 0; offset = 0;
zero_user(bv.bv_page, bv.bv_offset + offset, memzero_page(bv.bv_page, bv.bv_offset + offset,
bv.bv_len - offset); bv.bv_len - offset);
truncated = true; truncated = true;
} }