Re: [PATCH] sched: make struct task_struct::state 32-bit

Hi, On 02/09/2019 22:05, Alexey Dobriyan wrote: > 32-bit accesses are shorter than 64-bit accesses on x86_64. > Nothing uses 64-bitness of ->state. > > Space savings are ~2KB on F30 kernel config. > > Signed-off-by: Alexey Dobriyan > --- Interestingly this has been volatile long since forever

[PATCH] sched: make struct task_struct::state 32-bit

32-bit accesses are shorter than 64-bit accesses on x86_64. Nothing uses 64-bitness of ->state. Space savings are ~2KB on F30 kernel config. Signed-off-by: Alexey Dobriyan --- arch/ia64/kernel/perfmon.c |4 ++-- block/blk-mq.c |2 +- drivers/md/dm.c |4

Re: [dm-devel] Kernel error at a LVM snapshot creation

Dne 02. 09. 19 v 15:58 Dmitrij Gusev napsal(a): Hello. Please find answers below. Thank you. Dmitrij On 2019-09-02 11:32, Zdenek Kabelac wrote: Dne 02. 09. 19 v 3:04 Dmitrij Gusev napsal(a): Hello. I get a kernel error every time I create LVM snapshot - at the creation and at boot time,

Re: [dm-devel] [PATCH] blkid: retport block size of a filesystem

On Thu, Aug 29, 2019 at 11:52:13AM -0400, Mikulas Patocka wrote: > libblkid/src/superblocks/apfs.c|2 > libblkid/src/superblocks/befs.c|3 + > libblkid/src/superblocks/btrfs.c |1 > libblkid/src/superblocks/exfat.c |2 >

[PATCH] dm writecache: skip writecache_wait for pmem mode

From: Huaisheng Ye The array bio_in_progress[2] only have chance to be increased and decreased with ssd mode. For pmem mode, they are not involved at all. So skip writecache_wait_for_ios in writecache_flush for pmem. Suggested-by: Doris Yu Signed-off-by: Huaisheng Ye ---

Re: [dm-devel] Kernel error at a LVM snapshot creation

Dne 02. 09. 19 v 3:04 Dmitrij Gusev napsal(a): Hello. I get a kernel error every time I create LVM snapshot - at the creation and at boot time, though the snapshot itself is working properly. Linux nexus 4.19.69 #2 SMP Thu Aug 29 16:33:35 CDT 2019 x86_64 Intel(R) Xeon(R) E-2174G CPU @