Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: Revert "blkdev: fix merge_bvec_fn return value checks"
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Коммит
6c0ad5dfd3
4
fs/bio.c
4
fs/bio.c
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@ -555,7 +555,7 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page
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.bi_rw = bio->bi_rw,
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.bi_rw = bio->bi_rw,
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};
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};
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if (q->merge_bvec_fn(q, &bvm, prev) != prev->bv_len) {
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if (q->merge_bvec_fn(q, &bvm, prev) < len) {
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prev->bv_len -= len;
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prev->bv_len -= len;
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return 0;
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return 0;
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}
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}
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@ -608,7 +608,7 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page
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* merge_bvec_fn() returns number of bytes it can accept
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* merge_bvec_fn() returns number of bytes it can accept
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* at this offset
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* at this offset
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*/
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*/
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if (q->merge_bvec_fn(q, &bvm, bvec) != bvec->bv_len) {
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if (q->merge_bvec_fn(q, &bvm, bvec) < len) {
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bvec->bv_page = NULL;
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bvec->bv_page = NULL;
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bvec->bv_len = 0;
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bvec->bv_len = 0;
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bvec->bv_offset = 0;
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bvec->bv_offset = 0;
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