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author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-28 22:23:38 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-28 22:23:38 +0300 |
commit | 3ab6608e66b16159c3a3c2d7015b9c11cd3396c1 (patch) | |
tree | a56fa037b1e82f100589760968d43145a521fd11 /block/bounce.c | |
parent | 5695e51619745d4fe3ec2506a2f0cd982c5e27a4 (diff) | |
parent | 5f7136db82996089cdfb2939c7664b29e9da141d (diff) | |
download | linux-3ab6608e66b16159c3a3c2d7015b9c11cd3396c1.tar.xz |
Merge tag 'block-5.12-2021-02-27' of git://git.kernel.dk/linux-block
Pull more block updates from Jens Axboe:
"A few stragglers (and one due to me missing it originally), and fixes
for changes in this merge window mostly. In particular:
- blktrace cleanups (Chaitanya, Greg)
- Kill dead blk_pm_* functions (Bart)
- Fixes for the bio alloc changes (Christoph)
- Fix for the partition changes (Christoph, Ming)
- Fix for turning off iopoll with polled IO inflight (Jeffle)
- nbd disconnect fix (Josef)
- loop fsync error fix (Mauricio)
- kyber update depth fix (Yang)
- max_sectors alignment fix (Mikulas)
- Add bio_max_segs helper (Matthew)"
* tag 'block-5.12-2021-02-27' of git://git.kernel.dk/linux-block: (21 commits)
block: Add bio_max_segs
blktrace: fix documentation for blk_fill_rw()
block: memory allocations in bounce_clone_bio must not fail
block: remove the gfp_mask argument to bounce_clone_bio
block: fix bounce_clone_bio for passthrough bios
block-crypto-fallback: use a bio_set for splitting bios
block: fix logging on capacity change
blk-settings: align max_sectors on "logical_block_size" boundary
block: reopen the device in blkdev_reread_part
block: don't skip empty device in in disk_uevent
blktrace: remove debugfs file dentries from struct blk_trace
nbd: handle device refs for DESTROY_ON_DISCONNECT properly
kyber: introduce kyber_depth_updated()
loop: fix I/O error on fsync() in detached loop devices
block: fix potential IO hang when turning off io_poll
block: get rid of the trace rq insert wrapper
blktrace: fix blk_rq_merge documentation
blktrace: fix blk_rq_issue documentation
blktrace: add blk_fill_rwbs documentation comment
block: remove superfluous param in blk_fill_rwbs()
...
Diffstat (limited to 'block/bounce.c')
-rw-r--r-- | block/bounce.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/block/bounce.c b/block/bounce.c index fc55314aa426..87983a35079c 100644 --- a/block/bounce.c +++ b/block/bounce.c @@ -214,8 +214,7 @@ static void bounce_end_io_read_isa(struct bio *bio) __bounce_end_io_read(bio, &isa_page_pool); } -static struct bio *bounce_clone_bio(struct bio *bio_src, gfp_t gfp_mask, - struct bio_set *bs) +static struct bio *bounce_clone_bio(struct bio *bio_src) { struct bvec_iter iter; struct bio_vec bv; @@ -242,10 +241,12 @@ static struct bio *bounce_clone_bio(struct bio *bio_src, gfp_t gfp_mask, * asking for trouble and would force extra work on * __bio_clone_fast() anyways. */ - - bio = bio_alloc_bioset(gfp_mask, bio_segments(bio_src), bs); - if (!bio) - return NULL; + if (bio_is_passthrough(bio_src)) + bio = bio_kmalloc(GFP_NOIO | __GFP_NOFAIL, + bio_segments(bio_src)); + else + bio = bio_alloc_bioset(GFP_NOIO, bio_segments(bio_src), + &bounce_bio_set); bio->bi_bdev = bio_src->bi_bdev; if (bio_flagged(bio_src, BIO_REMAPPED)) bio_set_flag(bio, BIO_REMAPPED); @@ -269,11 +270,11 @@ static struct bio *bounce_clone_bio(struct bio *bio_src, gfp_t gfp_mask, break; } - if (bio_crypt_clone(bio, bio_src, gfp_mask) < 0) + if (bio_crypt_clone(bio, bio_src, GFP_NOIO) < 0) goto err_put; if (bio_integrity(bio_src) && - bio_integrity_clone(bio, bio_src, gfp_mask) < 0) + bio_integrity_clone(bio, bio_src, GFP_NOIO) < 0) goto err_put; bio_clone_blkg_association(bio, bio_src); @@ -296,7 +297,6 @@ static void __blk_queue_bounce(struct request_queue *q, struct bio **bio_orig, unsigned i = 0; bool bounce = false; int sectors = 0; - bool passthrough = bio_is_passthrough(*bio_orig); bio_for_each_segment(from, *bio_orig, iter) { if (i++ < BIO_MAX_PAGES) @@ -307,14 +307,14 @@ static void __blk_queue_bounce(struct request_queue *q, struct bio **bio_orig, if (!bounce) return; - if (!passthrough && sectors < bio_sectors(*bio_orig)) { + if (!bio_is_passthrough(*bio_orig) && + sectors < bio_sectors(*bio_orig)) { bio = bio_split(*bio_orig, sectors, GFP_NOIO, &bounce_bio_split); bio_chain(bio, *bio_orig); submit_bio_noacct(*bio_orig); *bio_orig = bio; } - bio = bounce_clone_bio(*bio_orig, GFP_NOIO, passthrough ? NULL : - &bounce_bio_set); + bio = bounce_clone_bio(*bio_orig); /* * Bvec table can't be updated by bio_for_each_segment_all(), |