Alex Elder a7b4c65f4f rbd: only get snap context for write requests ... Right now we get the snapshot context for an rbd image (under protection of the header semaphore) for every request processed. There's no need to get the snap context if we're doing a read, so avoid doing so in that case. Note that we no longer need to hold the header semaphore to check the rbd_dev's existence flag. Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>		2013-01-17 15:52:00 -06:00
..
aoe	aoe: assert AoE packets marked as requiring no checksum	2012-09-20 22:23:40 -04:00
drbd	Merge branch 'for-linus' of git://git.kernel.dk/linux-block	2012-08-25 11:36:43 -07:00
mtip32xx	mtip32xx: fix user_buffer check in exec_drive_command	2012-09-12 22:21:13 +02:00
paride	paride/pcd: fix bool verbose module parameter.	2012-01-13 09:32:26 +10:30
xen-blkback	xen/m2p: do not reuse kmap_op->dev_bus_addr	2012-09-12 11:21:40 -04:00
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 handling of protocol error	2012-09-18 11:57:08 +02:00
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	drivers: Remove unnecessary inclusions of asm/semaphore.h	2008-04-18 22:16:32 -04:00
DAC960.c	dac960: Remove unused variables from DAC960_CreateProcEntries()	2012-05-11 16:42:14 +02:00
DAC960.h
floppy.c	Merge branch 'upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/floppy into for-3.6/drivers	2012-07-31 11:47:36 +02:00
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	nbd: clear waiting_queue on shutdown	2012-09-17 15:00:37 -07:00
nvme.c	Merge git://git.infradead.org/users/willy/linux-nvme	2012-09-29 10:31:52 -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: get rid of RBD_MAX_SEG_NAME_LEN	2012-12-17 08:37:29 -06:00
rbd.c	rbd: only get snap context for write requests	2013-01-17 15:52:00 -06:00
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	m68k: mac - Add SWIM floppy support	2009-03-26 21:15:27 +01:00
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	blk: pass from_schedule to non-request unplug functions.	2012-07-31 09:08:15 +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	[PATCH] switch xd	2008-10-21 07:48:11 -04:00
xen-blkfront.c	This patch series contains a major revamp of how we collect entropy	2012-07-31 19:07:42 -07:00
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