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OpenCloudOS-Kernel
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Josef Bacik d61b7f972d nbd: only set MSG_MORE when we have more to send 
A user noticed that write performance was horrible over loopback and we
traced it to an inversion of when we need to set MSG_MORE.  It should be
set when we have more bvec's to send, not when we are on the last bvec.
This patch made the test go from 20 iops to 78k iops.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Fixes: 429a787be6 ("nbd: fix use-after-free of rq/bio in the xmit path")
Signed-off-by: Jens Axboe <axboe@fb.com>
 		2017-01-19 14:31:50 -07:00
..
aoe aoe: fix crash in page count manipulation 2016-11-12 08:27:07 -07:00
drbd Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block 2016-12-13 10:19:16 -08:00
mtip32xx block: mtip32xx: set error code on failure 2016-12-01 08:01:14 -07:00
paride Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
rsxx block: convert to device_add_disk() 2016-06-27 12:26:08 -07:00
xen-blkback xen: features and fixes for 4.10 rc0 2016-12-13 16:07:55 -08:00
zram zram: support BDI_CAP_STABLE_WRITES 2017-01-10 18:31:55 -08:00
DAC960.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
DAC960.h
…
Kconfig pktcdvd: mark as unmaintained and deprecated 2016-11-21 09:33:17 -07:00
Makefile drivers:block: cpqarray clean up 2016-03-15 15:59:47 -07:00
amiflop.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ataflop.c Merge branch 'for-3.16/core' of git://git.kernel.dk/linux-block into next 2014-06-02 09:29:34 -07:00
brd.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
cciss.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
cciss.h cciss: Adds simple mode functionality 2011-08-08 11:40:15 +02:00
cciss_cmd.h cciss: use new doorbell-bit-5 reset method 2011-05-06 08:23:55 -06:00
cciss_scsi.c scsi: cciss: replace custom function to hexdump 2016-11-08 17:29:57 -05:00
cciss_scsi.h cciss: add cciss_tape_cmds module paramter 2011-05-06 08:23:59 -06:00
cryptoloop.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
floppy.c block: floppy: use bio_add_page() 2016-11-22 08:57:55 -07:00
hd.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
loop.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
loop.h block: loop: support DIO & AIO 2015-09-23 11:01:16 -06:00
mg_disk.c mg_disk: fix error path in mg_probe() 2016-06-28 11:01:27 -06:00
nbd.c nbd: only set MSG_MORE when we have more to send 2017-01-19 14:31:50 -07:00
null_blk.c ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
osdblk.c block, drivers: add REQ_OP_FLUSH operation 2016-06-07 13:41:38 -06:00
pktcdvd.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ps3disk.c block: convert to device_add_disk() 2016-06-27 12:26:08 -07:00
ps3vram.c block: convert to device_add_disk() 2016-06-27 12:26:08 -07:00
rbd.c rbd: silence bogus -Wmaybe-uninitialized warning 2016-12-12 23:54:26 +01:00
rbd_types.h rbd: support for exclusive-lock feature 2016-08-24 23:49:16 +02:00
skd_main.c skd_main: drop duplicate header scatterlist.h 2016-11-18 07:44:21 -07:00
skd_s1120.h skd: fix formatting in skd_s1120.h 2013-11-08 09:10:30 -07:00
smart1,2.h fix typos 'comamnd' -> 'command' in comments 2011-02-02 11:31:21 +01:00
sunvdc.c block: convert to device_add_disk() 2016-06-27 12:26:08 -07:00
swim.c block: drop owner assignment from platform_drivers 2014-10-20 16:20:18 +02:00
swim3.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
swim_asm.S
…
sx8.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
umem.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
umem.h
…
virtio_blk.c virtio_blk: fix panic in initialization error path 2017-01-10 13:30:50 -07:00
xen-blkfront.c xen: features and fixes for 4.10 rc0 2016-12-13 16:07:55 -08:00
xsysace.c block: systemace: Remove .owner field for driver 2014-08-21 20:37:54 -05:00
z2ram.c block: remove struct request buffer member 2014-04-15 14:03:02 -06:00