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coredump: use bvec_set_page to initialize a bvec

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Use the bvec_set_page helper to initialize a bvec.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230203150634.3199647-15-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-02-03 16:06:25 +01:00 committed by Jens Axboe
parent 220ae4a5c2
commit cd59800320
1 changed files with 2 additions and 5 deletions
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7
fs/coredump.c
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@ -840,11 +840,7 @@ static int __dump_skip(struct coredump_params *cprm, size_t nr)
static int dump_emit_page(struct coredump_params *cprm, struct page *page)
{
struct bio_vec bvec = {
.bv_page = page,
.bv_offset = 0,
.bv_len = PAGE_SIZE,
};
struct bio_vec bvec;
struct iov_iter iter;
struct file *file = cprm->file;
loff_t pos;
@ -860,6 +856,7 @@ static int dump_emit_page(struct coredump_params *cprm, struct page *page)
if (dump_interrupted())
return 0;
pos = file->f_pos;
bvec_set_page(&bvec, page, PAGE_SIZE, 0);
iov_iter_bvec(&iter, ITER_SOURCE, &bvec, 1, PAGE_SIZE);
n = __kernel_write_iter(cprm->file, &iter, &pos);
if (n != PAGE_SIZE)