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f09313c57a
linux/block/partitions
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Jens Axboe f09313c57a block: cache inode size in bdev 
Reading the inode size brings in a new cacheline for IO submit, and
it's in the hot path being checked for every single IO. When doing
millions of IOs per core per second, this is noticeable overhead.

Cache the nr_sectors in the bdev itself.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-10-18 14:43:23 -06:00
..
acorn.c block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
aix.c block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
amiga.c block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
atari.c block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
atari.h block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00
check.h block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
cmdline.c block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
core.c block: cache inode size in bdev 2021-10-18 14:43:23 -06:00
efi.c partitions/efi: Support non-standard GPT location 2021-08-24 10:09:06 -06:00
efi.h Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:13:08 -07:00
ibm.c block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
karma.c block: remove block/partitions/karma.h 2020-03-24 07:57:08 -06:00
Kconfig block: move menu "Partition type" to block/partitions/Kconfig 2021-10-18 06:17:35 -06:00
ldm.c for-5.15/block-2021-08-30 2021-08-30 18:52:11 -07:00
ldm.h partitions: msdos: fix one-byte get_unaligned() 2021-05-17 13:30:29 +02:00
mac.c block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
mac.h block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00
Makefile block: merge partition-generic.c and check.c 2020-03-24 07:57:08 -06:00
msdos.c block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
osf.c block: remove block/partitions/osf.h 2020-03-24 07:57:08 -06:00
sgi.c block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
sun.c block: store a gendisk in struct parsed_partitions 2021-08-12 10:31:35 -06:00
sysv68.c block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00
ultrix.c block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00