Ming Lei b21e11c5c8 block: fix build warning in merging bvecs ... Commit f6970f83ef ("block: don't check if adjacent bvecs in one bio can be mergeable") changes bvec merge by only considering two bvecs from different bios. However, if the former bio doesn't inlcude any io bvec, then the following warning may be triggered: warning: ‘bvec.bv_offset’ may be used uninitialized in this function [-Wmaybe-uninitialized] In practice, it shouldn't be triggered. Fixes it by adding check on former bio, the check shouldn't add any cost given 'bio->bi_iter' can be hit in cache. Reported-by: Jens Axboe <axboe@kernel.dk> Fixes: f6970f83ef ("block: don't check if adjacent bvecs in one bio can be mergeable") Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>		2019-04-08 10:57:10 -06:00
..
partitions
badblocks.c
bfq-cgroup.c	block, bfq: fix some typos in comments	2019-04-08 10:05:43 -06:00
bfq-iosched.c	block, bfq: fix some typos in comments	2019-04-08 10:05:43 -06:00
bfq-iosched.h	block, bfq: fix some typos in comments	2019-04-08 10:05:43 -06:00
bfq-wf2q.c	block, bfq: fix some typos in comments	2019-04-08 10:05:43 -06:00
bio-integrity.c
bio.c	block: bio: ensure newly added bio flags don't override BVEC_POOL_IDX	2019-04-04 09:30:37 -06:00
blk-cgroup.c	blkcg: Fix kernel-doc warnings	2019-03-20 14:39:09 -06:00
blk-core.c
blk-exec.c
blk-flush.c	blk-mq: use blk_mq_put_driver_tag() to put tag	2019-03-24 10:26:16 -06:00
blk-integrity.c
blk-ioc.c
blk-iolatency.c	blk-iolatency: #include "blk.h"	2019-03-20 14:19:38 -06:00
blk-lib.c
blk-map.c
blk-merge.c	block: fix build warning in merging bvecs	2019-04-08 10:57:10 -06:00
blk-mq-cpumap.c
blk-mq-debugfs-zoned.c
blk-mq-debugfs.c
blk-mq-debugfs.h
blk-mq-pci.c
blk-mq-rdma.c
blk-mq-sched.c
blk-mq-sched.h
blk-mq-sysfs.c
blk-mq-tag.c
blk-mq-tag.h
blk-mq-virtio.c
blk-mq.c	blk-mq: fix sbitmap ws_active for shared tags	2019-03-25 13:05:47 -06:00
blk-mq.h	blk-mq: use blk_mq_put_driver_tag() to put tag	2019-03-24 10:26:16 -06:00
blk-pm.c
blk-pm.h
blk-rq-qos.c
blk-rq-qos.h
blk-settings.c
blk-softirq.c
blk-stat.c
blk-stat.h
blk-sysfs.c	block: add BLK_MQ_POLL_CLASSIC for hybrid poll and return EINVAL for unexpected value	2019-03-20 14:02:07 -06:00
blk-throttle.c
blk-timeout.c
blk-wbt.c
blk-wbt.h
blk-zoned.c
blk.h	block: pass page to xen_biovec_phys_mergeable	2019-04-01 12:11:13 -06:00
bounce.c
bsg-lib.c
bsg.c
cmdline-parser.c
compat_ioctl.c
elevator.c	block: remove unused variable 'def'	2019-04-08 08:13:12 -06:00
genhd.c
ioctl.c
ioprio.c
Kconfig	block: remove CONFIG_LBDAF	2019-04-06 10:48:35 -06:00
Kconfig.iosched
kyber-iosched.c
Makefile
mq-deadline.c
opal_proto.h	block: sed-opal: add token for OPAL_LIFECYCLE	2019-04-06 11:09:13 -06:00
partition-generic.c
scsi_ioctl.c
sed-opal.c	block: sed-opal: rename next to execute_steps	2019-04-06 11:09:13 -06:00
t10-pi.c