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linux/drivers/block
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Paolo Bonzini cd5d503862 virtio-blk: allow toggling host cache between writeback and writethrough 
This patch adds support for the new VIRTIO_BLK_F_CONFIG_WCE feature,
which exposes the cache mode in the configuration space and lets the
driver modify it.  The cache mode is exposed via sysfs.

Even if the host does not support the new feature, the cache mode is
visible (thanks to the existing VIRTIO_BLK_F_WCE), but not modifiable.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-07-30 13:30:52 +09:30
..
aoe switch device_get_devnode() and ->devnode() to umode_t * 2012-01-03 22:54:55 -05:00
drbd Merge branch 'for-jens' of git://git.drbd.org/linux-drbd into for-linus 2012-06-13 21:19:42 +02:00
mtip32xx mtip32xx: Create debugfs entries for troubleshooting 2012-06-05 09:13:49 +02:00
paride paride/pcd: fix bool verbose module parameter. 2012-01-13 09:32:26 +10:30
xen-blkback Merge branch 'stable/for-jens-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-linus 2012-06-13 21:19:06 +02:00
amiflop.c fs: move code out of buffer.c 2012-01-03 22:54:07 -05:00
ataflop.c block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers 2011-04-21 21:33:05 +02:00
brd.c block: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:16 +08:00
cciss_cmd.h cciss: use new doorbell-bit-5 reset method 2011-05-06 08:23:55 -06:00
cciss_scsi.c cciss: Fix scsi tape io with more than 255 scatter gather elements 2012-03-22 21:40:09 +01:00
cciss_scsi.h cciss: add cciss_tape_cmds module paramter 2011-05-06 08:23:59 -06:00
cciss.c block: add and use scsi_blk_cmd_ioctl 2012-01-14 15:07:24 -08:00
cciss.h cciss: Adds simple mode functionality 2011-08-08 11:40:15 +02:00
cpqarray.c drivers/block/cpqarray.c: use pci_dev->revision 2011-09-21 10:02:13 +02:00
cpqarray.h
cryptoloop.c
DAC960.c dac960: Remove unused variables from DAC960_CreateProcEntries() 2012-05-11 16:42:14 +02:00
DAC960.h
floppy.c floppy: cancel any pending fd_timeouts before adding a new one 2012-07-03 15:51:22 -07:00
hd.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
ida_cmd.h
ida_ioctl.h
Kconfig usb/ub: deprecate & schedule for removal the "Low Performance USB Block" driver 2012-03-16 13:30:10 -07:00
loop.c blk: fix wrong idr_pre_get() error check in loop.c 2012-07-14 15:39:58 -07:00
Makefile Merge git://git.infradead.org/users/willy/linux-nvme 2012-01-18 12:34:09 -08:00
mg_disk.c mg_disk: Use struct dev_pm_ops for power management 2012-07-06 19:07:00 +02:00
nbd.c Merge branch 'akpm' (Andrew's patch-bomb) 2012-03-28 17:19:28 -07:00
nvme.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-03-20 21:12:50 -07:00
osdblk.c block: remove spurious uses of REQ_HARDBARRIER 2010-09-10 12:35:36 +02:00
pktcdvd.c block: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:16 +08:00
ps3disk.c block: Fix files that are modules and hence need module.h 2011-10-31 19:31:13 -04:00
ps3vram.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
rbd_types.h rbd: small changes 2012-03-22 10:47:50 -05:00
rbd.c rbd: endian bug in rbd_req_cb() 2012-07-17 21:30:31 -07:00
smart1,2.h fix typos 'comamnd' -> 'command' in comments 2011-02-02 11:31:21 +01:00
sunvdc.c powerpc+sparc/vio: Modernize driver registration 2012-03-28 11:33:24 +11:00
swim3.c block/swim3: Locking fixes 2011-12-12 12:42:12 +01:00
swim_asm.S
swim.c m68k/mac: cleanup forward declarations 2011-12-10 19:52:46 +01:00
sx8.c block, sx8: fix pointer math issue getting fw version 2012-03-03 19:44:39 +01:00
ub.c usb/ub: deprecate & schedule for removal the "Low Performance USB Block" driver 2012-03-16 13:30:10 -07:00
umem.c umem: fix up unplugging 2012-06-13 21:17:21 +02:00
umem.h
virtio_blk.c virtio-blk: allow toggling host cache between writeback and writethrough 2012-07-30 13:30:52 +09:30
xd.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
xd.h
xen-blkfront.c xen/blkfront: Add WARN to deal with misbehaving backends. 2012-06-12 08:29:04 -04:00
xsysace.c block: xsysace: Don't use NO_IRQ 2012-01-05 08:34:29 +01:00
z2ram.c drivers/block/z2ram.c: correct printing of sector_t 2010-10-28 06:15:26 -06:00