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10 Commits

Author SHA1 Message Date
Heinz Mauelshagen
96422281ba dm: address space issues relative to switch/while/for/... 
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
 2023-02-14 14:23:06 -05:00
Heinz Mauelshagen
86a3238c7b dm: change "unsigned" to "unsigned int" 
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
 2023-02-14 14:23:06 -05:00
Heinz Mauelshagen
3bd9400307 dm: add missing SPDX-License-Indentifiers 
'GPL-2.0-only' is used instead of 'GPL-2.0' because SPDX has
deprecated its use.

Suggested-by: John Wiele <jwiele@redhat.com>
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
 2023-02-14 14:23:06 -05:00
zhengbin
67b92d979b dm bio prison v2: use true/false for bool variable 
Fixes coccicheck warning:

drivers/md/dm-bio-prison-v2.c:327:2-22: WARNING: Assignment of 0/1 to bool variable

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 2020-01-07 12:07:08 -05:00
Mikulas Patocka
235bc86160 dm bio prison: replace spin_lock_irqsave with spin_lock_irq 
Replace spin_lock_irqsave/irqrestore with spin_lock_irq/spin_unlock_irq.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 2019-11-05 14:53:03 -05:00
Mike Snitzer
72d711c876 dm: adjust structure members to improve alignment 
Eliminate most holes in DM data structures that were modified by
commit 6f1c819c21 ("dm: convert to bioset_init()/mempool_init()").
Also prevent structure members from unnecessarily spanning cache
lines.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 2018-06-08 11:53:14 -04:00
Kent Overstreet
d377535405 dm: Use kzalloc for all structs with embedded biosets/mempools 
mempool_init()/bioset_init() require that the mempools/biosets be zeroed
first; they probably should not _require_ this, but not allocating those
structs with kzalloc is a fairly nonsensical thing to do (calling
mempool_exit()/bioset_exit() on an uninitialized mempool/bioset is legal
and safe, but only works if said memory was zeroed.)

Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2018-06-05 08:47:43 -06:00
Kent Overstreet
6f1c819c21 dm: convert to bioset_init()/mempool_init() 
Convert dm to embedded bio sets.

Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2018-05-30 15:33:32 -06:00
Geliang Tang
6e333d0be3 dm bio prison: use rb_entry() rather than container_of() 
To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Coly Li <colyli@suse.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 2017-06-19 11:03:50 -04:00
Joe Thornber
742c8fdc31 dm bio prison v2: new interface for the bio prison 
The deferred set is gone and all methods have _v2 appended to the end of
their names to allow for continued use of the original bio prison in DM
thin-provisioning.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 2017-03-07 11:30:16 -05:00