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linux-2.6
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linux-2.6/drivers/block
Jens Axboe 28f13702f0 block: avoid duplicate calls to get_part() in disk stat code
get_part() is fairly expensive, as it O(N) loops over partitions
to find the right one. In lots of normal IO paths we end up looking
up the partition twice, to make matters even worse. Change the
stat add code to accept a passed in partition instead.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-05-07 10:15:46 +02:00
..
aoe block: avoid duplicate calls to get_part() in disk stat code 2008-05-07 10:15:46 +02:00
paride block: use blk_rq_init() to initialize the request 2008-04-29 14:48:55 +02:00
DAC960.c
DAC960.h
Kconfig
Makefile
amiflop.c
ataflop.c
brd.c brd: modify ramdisk device to be able to manage partitions 2008-04-30 08:29:53 -07:00
cciss.c cciss: assign PDE->data before gluing PDE into /proc tree 2008-05-01 08:04:02 -07:00
cciss.h
cciss_cmd.h
cciss_scsi.c cciss: fix warning oops on rmmod of driver 2008-04-21 09:50:09 +02:00
cciss_scsi.h
cpqarray.c proc: remove proc_root_driver 2008-04-29 08:06:18 -07:00
cpqarray.h
cryptoloop.c drivers: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:16:32 -04:00
floppy.c drivers/block/floppy.c: replace init_module&cleanup_module with module_init&module_exit 2008-04-29 08:06:03 -07:00
ida_cmd.h
ida_ioctl.h
loop.c block: make queue flags non-atomic 2008-04-29 14:48:33 +02:00
nbd.c Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block 2008-04-29 08:18:03 -07:00
pktcdvd.c Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block 2008-04-29 08:18:03 -07:00
ps3disk.c block: no need to initialize rq->cmd in prepare_flush_fn hook 2008-04-29 14:48:54 +02:00
smart1,2.h
sunvdc.c
swim3.c
sx8.c block: replace remaining __FUNCTION__ occurrences 2008-04-21 09:51:04 +02:00
ub.c ub: Cosmetics 2008-05-02 10:25:52 -07:00
umem.c
umem.h
viodasd.c
virtio_blk.c virtio: add virtio disk geometry feature 2008-05-02 21:50:51 +10:00
xd.c
xd.h
xen-blkfront.c xen: make blkif_getgeo static 2008-04-29 08:06:06 -07:00
xsysace.c
z2ram.c