Michael Lyle 616486ab52 bcache: fix writeback target calc on large devices ... Bcache needs to scale the dirty data in the cache over the multiple backing disks in order to calculate writeback rates for each. The previous code did this by multiplying the target number of dirty sectors by the backing device size, and expected it to fit into a uint64_t; this blows up on relatively small backing devices. The new approach figures out the bdev's share in 16384ths of the overall cached data. This is chosen to cope well when bdevs drastically vary in size and to ensure that bcache can cross the petabyte boundary for each backing device. This has been improved based on Tang Junhui's feedback to ensure that every device gets a share of dirty data, no matter how small it is compared to the total backing pool. The existing mechanism is very limited; this is purely a bug fix to remove limits on volume size. However, there still needs to be change to make this "fair" over many volumes where some are idle. Reported-by: Jack Douglas <jack@douglastechnology.co.uk> Signed-off-by: Michael Lyle <mlyle@lyle.org> Reviewed-by: Tang Junhui <tang.junhui@zte.com.cn> Signed-off-by: Jens Axboe <axboe@kernel.dk>		2018-01-08 13:29:00 -07:00
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accessibility	…
acpi	PM / sleep: Avoid excess pm_runtime_enable() calls in device_resume()	2017-12-11 14:32:56 +01:00
amba	…
android	ANDROID: binder: fix transaction leak.	2017-11-28 16:54:45 +01:00
ata	libata: sata_down_spd_limit should return if driver has not recorded sstatus speed	2017-12-04 13:57:03 -08:00
atm	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2017-11-29 13:10:25 -08:00
auxdisplay	auxdisplay: img-ascii-lcd: Only build on archs that have IOMEM	2017-11-27 12:36:45 -08:00
base	PM / sleep: Avoid excess pm_runtime_enable() calls in device_resume()	2017-12-11 14:32:56 +01:00
bcma	…
block	DAC960: split up ioctl function to reduce stack size	2018-01-06 09:18:00 -07:00
bluetooth	…
bus	bus: arm-ccn: fix module unloading Error: Removing state 147 which has instances left.	2017-12-04 17:15:20 +00:00
cdrom	…
char	The big changes for IPMI that just went in had a few problems. These	2017-12-11 17:01:59 -08:00
clk	…
clocksource	- final batch of "non trivial" timer conversions (multi-tree dependencies,	2017-11-23 16:29:05 +01:00
connector	…
cpufreq	…
cpuidle	…
crypto	…
dax	device-dax: implement ->split() to catch invalid munmap attempts	2017-11-29 18:40:42 -08:00
dca	…
devfreq	…
dio	…
dma	dmaengine: fsl-edma: disable clks on all error paths	2017-12-15 09:53:04 +05:30
dma-buf	…
edac	…
eisa	…
extcon	…
firewire	…
firmware	ARM: SoC fixes for 4.15-rc	2017-12-10 08:26:59 -08:00
fmc	…
fpga	…
fsi	…
gpio	gpio: pca953x: fix vendor prefix for PCA9654	2017-12-02 22:41:43 +01:00
gpu	Merge branch 'akpm' (patches from Andrew)	2017-12-14 16:35:20 -08:00
hid	treewide: setup_timer() -> timer_setup()	2017-11-21 15:57:07 -08:00
hsi	…
hv	Drivers: hv: vmbus: Fix a rescind issue	2017-11-28 16:56:26 +01:00
hwmon	hwmon: (jc42) optionally try to disable the SMBUS timeout	2017-11-30 13:12:44 -08:00
hwspinlock	…
hwtracing	tracing: Pass export pointer as argument to ->write()	2017-12-04 07:14:30 -05:00
i2c	i2c: piix4: Fix port number check on release	2017-12-12 23:27:04 +01:00
ide	…
idle	…
iio	iio: health: max30102: Temperature should be in milli Celsius	2017-12-02 11:15:14 +00:00
infiniband	Second pull request for 4.15-rc	2017-12-16 13:43:08 -08:00
input	treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts	2017-11-21 16:35:54 -08:00
iommu	IOMMU fixes for Linux v4.15-rc3	2017-12-06 10:53:02 -08:00
ipack	…
irqchip	Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-11-26 14:39:20 -08:00
isdn	treewide: setup_timer() -> timer_setup() (2 field)	2017-11-21 15:57:09 -08:00
leds	…
lightnvm	lightnvm: pblk: refactor pblk_ppa_comp function	2018-01-05 08:50:12 -07:00
macintosh	…
mailbox	…
mcb	…
md	bcache: fix writeback target calc on large devices	2018-01-08 13:29:00 -07:00
media	media fixes for v4.15-rc3	2017-12-08 13:18:47 -08:00
memory	…
memstick	treewide: setup_timer() -> timer_setup()	2017-11-21 15:57:07 -08:00
message	…
mfd	treewide: setup_timer() -> timer_setup()	2017-11-21 15:57:07 -08:00
misc	Merge branch 'WIP.x86-pti.base.prep-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-12-17 13:54:31 -08:00
mmc	mmc: core: apply NO_CMD23 quirk to some specific cards	2017-12-11 13:43:27 +01:00
mtd	Rename superblock flags (MS_xyz -> SB_xyz)	2017-11-27 13:05:09 -08:00
mux	…
net	net: qcom/emac: Reduce timeout for mdio read/write	2017-12-15 15:46:19 -05:00
nfc	treewide: setup_timer() -> timer_setup() (2 field)	2017-11-21 15:57:09 -08:00
ntb	treewide: setup_timer() -> timer_setup()	2017-11-21 15:57:07 -08:00
nubus	…
nvdimm	…
nvme	nvme: fix subsystem multiple controllers support check	2018-01-08 16:57:00 +01:00
nvmem	…
of	of_mdio / mdiobus: ensure mdio devices have fwnode correctly populated	2017-12-13 15:01:47 -05:00
opp	…
oprofile	…
parisc	…
parport	…
pci	Power management fix for v4.15-rc4	2017-12-14 18:25:03 -08:00
pcmcia	…
perf	…
phy	…
pinctrl	pinctrl: sunxi: Disable strict mode for H5 driver	2017-11-30 16:50:43 +01:00
platform	platform/x86: dell-wmi: check for kmalloc() errors	2017-12-11 17:26:03 -08:00
pnp	…
power	…
powercap	…
pps	treewide: setup_timer() -> timer_setup()	2017-11-21 15:57:07 -08:00
ps3	…
ptp	…
pwm	pwm: Changes for v4.15-rc1	2017-11-22 21:09:18 -10:00
rapidio	…
ras	…
regulator	…
remoteproc	…
reset	…
rpmsg	…
rtc	Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-11-25 08:37:16 -10:00
s390	s390/qeth: update takeover IPs after configuration change	2017-12-15 11:29:43 -05:00
sbus	…
scsi	SCSI fixes on 20171215	2017-12-15 12:51:42 -08:00
sfi	…
sh	…
sn	…
soc	meson-gx-socinfo: Fix package id parsing	2017-11-30 15:29:44 -08:00
spi	…
spmi	…
ssb	…
staging	Merge tag 'staging-4.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging	2017-12-15 12:59:48 -08:00
target	target: Use sgl_alloc_order() and sgl_free()	2018-01-06 09:18:00 -07:00
tc	…
tee	optee: fix invalid of_node_put() in optee_driver_init()	2017-11-29 10:24:57 +01:00
thermal	…
thunderbolt	…
tty	serdev: ttyport: fix tty locking in close	2017-11-28 16:00:50 +01:00
uio	…
usb	USB: core: prevent malicious bNumInterfaces overflow	2017-12-13 12:28:43 +01:00
uwb	treewide: setup_timer() -> timer_setup()	2017-11-21 15:57:07 -08:00
vfio	…
vhost	vhost: fix skb leak in handle_rx()	2017-12-02 21:31:03 -05:00
video	…
virt	…
virtio	virtio_mmio: fix devm cleanup	2017-12-14 21:01:40 +02:00
vlynq	…
vme	…
w1	…
watchdog	treewide: setup_timer() -> timer_setup()	2017-11-21 15:57:07 -08:00
xen	xen: fixes for 4.15-rc4	2017-12-15 11:32:09 -08:00
zorro	…
Kconfig	…
Makefile	usb: build drivers/usb/common/ when USB_SUPPORT is set	2017-11-28 15:17:49 +01:00