diff options
author | Jakub Kicinski <kuba@kernel.org> | 2020-12-12 07:12:36 +0300 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2020-12-12 09:29:38 +0300 |
commit | 46d5e62dd3c34770f3bfd0642daa9a7772a00362 (patch) | |
tree | 72f00a33d177cae0c8c9d7337ced3a6c6bbad45d /drivers/md/dm.c | |
parent | 91163f82143630a9629a8bf0227d49173697c69c (diff) | |
parent | 7f376f1917d7461e05b648983e8d2aea9d0712b2 (diff) | |
download | linux-46d5e62dd3c34770f3bfd0642daa9a7772a00362.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
xdp_return_frame_bulk() needs to pass a xdp_buff
to __xdp_return().
strlcpy got converted to strscpy but here it makes no
functional difference, so just keep the right code.
Conflicts:
net/netfilter/nf_tables_api.c
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r-- | drivers/md/dm.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index c18fc2548518..4e0cbfe3f14d 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -476,8 +476,10 @@ static int dm_blk_report_zones(struct gendisk *disk, sector_t sector, return -EAGAIN; map = dm_get_live_table(md, &srcu_idx); - if (!map) - return -EIO; + if (!map) { + ret = -EIO; + goto out; + } do { struct dm_target *tgt; @@ -507,7 +509,6 @@ out: static int dm_prepare_ioctl(struct mapped_device *md, int *srcu_idx, struct block_device **bdev) - __acquires(md->io_barrier) { struct dm_target *tgt; struct dm_table *map; @@ -541,7 +542,6 @@ retry: } static void dm_unprepare_ioctl(struct mapped_device *md, int srcu_idx) - __releases(md->io_barrier) { dm_put_live_table(md, srcu_idx); } @@ -1037,15 +1037,18 @@ static sector_t max_io_len(struct dm_target *ti, sector_t sector) sector_t max_len; /* - * Does the target need to split even further? - * - q->limits.chunk_sectors reflects ti->max_io_len so - * blk_max_size_offset() provides required splitting. - * - blk_max_size_offset() also respects q->limits.max_sectors + * Does the target need to split IO even further? + * - varied (per target) IO splitting is a tenet of DM; this + * explains why stacked chunk_sectors based splitting via + * blk_max_size_offset() isn't possible here. So pass in + * ti->max_io_len to override stacked chunk_sectors. */ - max_len = blk_max_size_offset(ti->table->md->queue, - target_offset); - if (len > max_len) - len = max_len; + if (ti->max_io_len) { + max_len = blk_max_size_offset(ti->table->md->queue, + target_offset, ti->max_io_len); + if (len > max_len) + len = max_len; + } return len; } @@ -1196,11 +1199,9 @@ static int dm_dax_zero_page_range(struct dax_device *dax_dev, pgoff_t pgoff, * ->zero_page_range() is mandatory dax operation. If we are * here, something is wrong. */ - dm_put_live_table(md, srcu_idx); goto out; } ret = ti->type->dax_zero_page_range(ti, pgoff, nr_pages); - out: dm_put_live_table(md, srcu_idx); |