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| author | Xiao Ni <xni@redhat.com> | 2020-08-25 13:43:00 +0800 |
|---|---|---|
| committer | Song Liu <songliubraving@fb.com> | 2020-09-24 16:44:45 -0700 |
| commit | 8650a889017cb1f6ea6813ccf83a2e9f6fa49dd3 (patch) | |
| tree | b4bd6e25d017a48ab50e43cc872f21da6d364372 /drivers/md/raid10.c | |
| parent | 2628089b74d5a64bd0bcb5d247a18f78d7b6f4d0 (diff) | |
| download | linux-stable-8650a889017cb1f6ea6813ccf83a2e9f6fa49dd3.tar.gz linux-stable-8650a889017cb1f6ea6813ccf83a2e9f6fa49dd3.tar.bz2 linux-stable-8650a889017cb1f6ea6813ccf83a2e9f6fa49dd3.zip | |
md/raid10: extend r10bio devs to raid disks
Now it allocs r10bio->devs[conf->copies]. Discard bio needs to submit
to all member disks and it needs to use r10bio. So extend to
r10bio->devs[geo.raid_disks].
Reviewed-by: Coly Li <colyli@suse.de>
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Diffstat (limited to 'drivers/md/raid10.c')
| -rw-r--r-- | drivers/md/raid10.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 3b598a3cb462..f2ec44fda1a0 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -91,7 +91,7 @@ static inline struct r10bio *get_resync_r10bio(struct bio *bio) static void * r10bio_pool_alloc(gfp_t gfp_flags, void *data) { struct r10conf *conf = data; - int size = offsetof(struct r10bio, devs[conf->copies]); + int size = offsetof(struct r10bio, devs[conf->geo.raid_disks]); /* allocate a r10bio with room for raid_disks entries in the * bios array */ @@ -238,7 +238,7 @@ static void put_all_bios(struct r10conf *conf, struct r10bio *r10_bio) { int i; - for (i = 0; i < conf->copies; i++) { + for (i = 0; i < conf->geo.raid_disks; i++) { struct bio **bio = & r10_bio->devs[i].bio; if (!BIO_SPECIAL(*bio)) bio_put(*bio); @@ -327,7 +327,7 @@ static int find_bio_disk(struct r10conf *conf, struct r10bio *r10_bio, int slot; int repl = 0; - for (slot = 0; slot < conf->copies; slot++) { + for (slot = 0; slot < conf->geo.raid_disks; slot++) { if (r10_bio->devs[slot].bio == bio) break; if (r10_bio->devs[slot].repl_bio == bio) { @@ -336,7 +336,6 @@ static int find_bio_disk(struct r10conf *conf, struct r10bio *r10_bio, } } - BUG_ON(slot == conf->copies); update_head_pos(slot, r10_bio); if (slotp) @@ -1493,7 +1492,7 @@ static void __make_request(struct mddev *mddev, struct bio *bio, int sectors) r10_bio->mddev = mddev; r10_bio->sector = bio->bi_iter.bi_sector; r10_bio->state = 0; - memset(r10_bio->devs, 0, sizeof(r10_bio->devs[0]) * conf->copies); + memset(r10_bio->devs, 0, sizeof(r10_bio->devs[0]) * conf->geo.raid_disks); if (bio_data_dir(bio) == READ) raid10_read_request(mddev, bio, r10_bio); |