AuxXxilium/linux_dsm_epyc7002
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03100aada9
linux_dsm_epyc7002/drivers/block
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Keith Busch 03100aada9 block: Replace SG_GAPS with new queue limits mask 
The SG_GAPS queue flag caused checks for bio vector alignment against
PAGE_SIZE, but the device may have different constraints. This patch
adds a queue limits so a driver with such constraints can set to allow
requests that would have been unnecessarily split. The new gaps check
takes the request_queue as a parameter to simplify the logic around
invoking this function.

This new limit makes the queue flag redundant, so removing it and
all usage. Device-mappers will inherit the correct settings through
blk_stack_limits().

Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2015-08-19 14:26:02 -07:00
..
aoe Revert "block: remove artifical max_hw_sectors cap" 2015-08-18 13:21:13 -07:00
drbd block: kill merge_bvec_fn() completely 2015-08-13 12:31:57 -06:00
mtip32xx mtip32xx: Fix accessing freed memory 2015-06-24 08:48:46 -06:00
paride Char/Misc driver patches for 4.2-rc1 2015-06-26 14:51:15 -07:00
rsxx block: make generic_make_request handle arbitrarily sized bios 2015-08-13 12:31:33 -06:00
xen-blkback block: add a bi_error field to struct bio 2015-07-29 08:55:15 -06:00
zram block: make generic_make_request handle arbitrarily sized bios 2015-08-13 12:31:33 -06:00
amiflop.c block: drop owner assignment from platform_drivers 2014-10-20 16:20:18 +02:00
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 block: add a bi_error field to struct bio 2015-07-29 08:55:15 -06:00
cciss_cmd.h cciss: use new doorbell-bit-5 reset method 2011-05-06 08:23:55 -06:00
cciss_scsi.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
cciss_scsi.h cciss: add cciss_tape_cmds module paramter 2011-05-06 08:23:59 -06:00
cciss.c cciss: correct the non-resettable board list 2015-05-31 11:14:34 -07:00
cciss.h cciss: Adds simple mode functionality 2011-08-08 11:40:15 +02:00
cpqarray.c genirq: Remove the deprecated 'IRQF_DISABLED' request_irq() flag entirely 2015-03-05 20:53:06 +01:00
cpqarray.h
cryptoloop.c move linux/loop.h to drivers/block 2013-06-29 12:46:45 +04:00
DAC960.c block: use pci_zalloc_consistent 2014-08-08 15:57:28 -07:00
DAC960.h
floppy.c block: add a bi_error field to struct bio 2015-07-29 08:55:15 -06:00
hd.c block: hd: remove deprecated IRQF_DISABLED 2014-10-01 08:16:07 -06:00
ida_cmd.h
ida_ioctl.h
Kconfig libnvdimm, pmem: move pmem to drivers/nvdimm/ 2015-06-24 21:24:10 -04:00
loop.c block: have drivers use blk_queue_max_discard_sectors() 2015-07-17 08:41:53 -06:00
loop.h block: loop: don't hold lo_ctl_mutex in lo_open 2015-05-20 09:06:09 -06:00
Makefile libnvdimm, pmem: move pmem to drivers/nvdimm/ 2015-06-24 21:24:10 -04:00
mg_disk.c block: drop owner assignment from platform_drivers 2014-10-20 16:20:18 +02:00
nbd.c block: have drivers use blk_queue_max_discard_sectors() 2015-07-17 08:41:53 -06:00
null_blk.c block: add a bi_error field to struct bio 2015-07-29 08:55:15 -06:00
nvme-core.c block: Replace SG_GAPS with new queue limits mask 2015-08-19 14:26:02 -07:00
nvme-scsi.c Merge branch 'for-4.2/drivers' of git://git.kernel.dk/linux-block 2015-06-25 15:12:50 -07:00
osdblk.c block: support different tag allocation policy 2015-01-23 14:15:46 -07:00
pktcdvd.c block: kill merge_bvec_fn() completely 2015-08-13 12:31:57 -06:00
ps3disk.c block: Kill bio_segments()/bi_vcnt usage 2013-11-23 22:33:51 -08:00
ps3vram.c block: make generic_make_request handle arbitrarily sized bios 2015-08-13 12:31:33 -06:00
rbd_types.h rbd: get rid of RBD_MAX_SEG_NAME_LEN 2012-12-17 08:37:29 -06:00
rbd.c block: kill merge_bvec_fn() completely 2015-08-13 12:31:57 -06:00
skd_main.c block: have drivers use blk_queue_max_discard_sectors() 2015-07-17 08:41:53 -06:00
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 sunvdc: reconnect ldc after vds service domain restarts 2014-12-11 18:52:45 -08:00
swim3.c powerpc: Move Power Macintosh drivers to generic byteswappers 2015-03-23 14:29:40 +11:00
swim_asm.S m68k: mac - Add SWIM floppy support 2009-03-26 21:15:27 +01:00
swim.c block: drop owner assignment from platform_drivers 2014-10-20 16:20:18 +02:00
sx8.c block: rename REQ_TYPE_SPECIAL to REQ_TYPE_DRV_PRIV 2015-05-05 13:40:03 -06:00
umem.c block: make generic_make_request handle arbitrarily sized bios 2015-08-13 12:31:33 -06:00
umem.h
virtio_blk.c block: rename REQ_TYPE_SPECIAL to REQ_TYPE_DRV_PRIV 2015-05-05 13:40:03 -06:00
xen-blkfront.c block: add a bi_error field to struct bio 2015-07-29 08:55:15 -06:00
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