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8cba207732
android_kernel_xiaomi_sm8350/drivers
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David Dillow 8cba207732 IB/srp: Respect target credit limit 
The current SRP initiator will send requests even if it has no credits
available.  The results of sending extra requests are vendor specific,
but on some devices, overrunning credits will cost 85% of peak
performance -- e.g. 100 MB/s vs 720 MB/s.  Other devices may just drop
the requests.

This patch will tell the SCSI midlayer to queue requests if there are
fewer than two credits remaining, and will not issue a task management
request if there are no credits remaining.  The mid-layer will retry
the queued command once an outstanding command completes.

The patch also removes the unlikely() in __srp_get_tx_iu(), as it is
not at all unlikely to hit this limit under heavy load.

Signed-off-by: David Dillow <dillowda@ornl.gov>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-01-25 14:15:37 -08:00
..
acorn/char
acpi Driver core: change sysdev classes to use dynamic kobject names 2008-01-24 20:40:40 -08:00
amba
ata pata_pdc202xx_old: Fix crashes with ATAPI 2008-01-19 21:29:39 -08:00
atm [ATM] atm/suni.c: Fix section mismatch. 2008-01-20 20:31:44 -08:00
auxdisplay
base Driver core: coding style fixes 2008-01-24 22:50:12 -08:00
block Kobject: convert drivers/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
bluetooth [BLUETOOTH]: Always send explicit hci_ll wake-up acks. 2008-01-10 22:24:43 -08:00
cdrom
char Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2008-01-25 08:38:25 -08:00
clocksource
connector [CONNECTOR]: Don't touch queue dev after decrement of ref count. 2008-01-08 23:44:44 -08:00
cpufreq Kobject: convert drivers/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
cpuidle Kobject: convert drivers/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2008-01-25 08:38:25 -08:00
dca
dio
dma DMA: Convert from class_device to device for DMA engine 2008-01-24 20:40:05 -08:00
edac Driver core: change sysdev classes to use dynamic kobject names 2008-01-24 20:40:40 -08:00
eisa
firewire firewire: OHCI 1.0 Isochronous Receive support 2007-12-10 21:55:19 +01:00
firmware Kobject: convert drivers/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
hid HID: Don't access input_dev->private directly 2007-10-31 13:30:35 +01:00
hwmon hwmon: (it87) request only Environment Controller ports 2008-01-22 07:21:38 -05:00
i2c driver core: Make the dev_*() family of macros in device.h complete 2008-01-24 20:40:08 -08:00
ide Driver core: convert block from raw kobjects to core devices 2008-01-24 20:40:36 -08:00
ieee1394 ieee1394: use class iteration api 2008-01-24 20:40:44 -08:00
infiniband IB/srp: Respect target credit limit 2008-01-25 14:15:37 -08:00
input [SPARC64]: Fix section error in sparcspkr 2008-01-21 22:34:31 -08:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6 2008-01-25 08:35:13 -08:00
kvm Driver core: change sysdev classes to use dynamic kobject names 2008-01-24 20:40:40 -08:00
leds leds: Fix locomo LED driver oops 2007-12-31 23:11:11 +00:00
lguest Remove bogus duplicate CONFIG_LGUEST_GUEST entry. 2008-01-19 21:29:39 -08:00
macintosh Driver core: change sysdev classes to use dynamic kobject names 2008-01-24 20:40:40 -08:00
mca
md Kobject: convert drivers/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
media fix wrong sized spinlock flags argument 2008-01-17 15:42:30 -08:00
message i2o: debug messages corrected 2007-11-05 15:12:31 -08:00
mfd MCP_UCB1200: Convert from class_device to device 2008-01-24 20:40:06 -08:00
misc kobject: convert ibmasm to use kref, not kobject 2008-01-24 20:40:08 -08:00
mmc sdhci: support JMicron JMB38x chips 2007-12-12 20:01:00 +01:00
mtd mtd: Convert from class_device to device for MTD/mtdchar 2008-01-24 20:40:06 -08:00
net mlx4_core: Fix max_eqs masking in QUERY_DEV_CAP 2008-01-25 14:15:29 -08:00
nubus
of
oprofile oProfile: oops when profile_pc() returns ~0LU 2007-11-14 18:45:37 -08:00
parisc Kobject: convert drivers/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
parport parport: "dev->timeslice" is an unsigned long, not an int 2007-12-17 19:28:15 -08:00
pci Kobject: convert drivers/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
pcmcia PCMCIA: use proper call to driver_create_file 2008-01-24 20:40:33 -08:00
pnp pnpacpi: print resource shortage message only once (more) 2008-01-17 15:38:58 -08:00
power power supply : use class iteration api 2008-01-24 20:40:44 -08:00
ps3 ps3: vuart: fix error path locking 2007-12-23 12:54:37 -08:00
rapidio
rtc rtc: use class iteration api 2008-01-24 20:40:44 -08:00
s390 zfcp: Use device_driver default attribute groups. 2008-01-24 20:40:34 -08:00
sbus [WATCHDOG] Sbus: cpwatchdog, remove SPIN_LOCK_UNLOCKED 2007-11-19 21:09:52 +00:00
scsi scsi: use class iteration api 2008-01-24 20:40:45 -08:00
serial kobject: convert icom to use kref, not kobject 2008-01-24 20:40:09 -08:00
sh superhyway: Handle device_register() retval properly. 2007-11-07 11:13:55 +09:00
sn
spi spi: use class iteration api 2008-01-24 20:40:45 -08:00
ssb ssb: Fix probing of PCI cores if PCI and PCIE core is available 2008-01-08 23:30:10 -08:00
tc
telephony telephony: phonedev panics if unregistering device not registered [Bug 9266] 2007-11-05 15:12:33 -08:00
uio UIO: constify function pointer tables 2008-01-24 20:40:43 -08:00
usb USB: use proper call to driver_create_file 2008-01-24 20:40:33 -08:00
video Disable VGA text console for AVR32 architecture 2008-01-25 08:31:40 +01:00
virtio virtio: fix module/device unloading 2007-11-19 11:20:42 +11:00
w1 W1: w1_therm.c is flagging 0C etc as invalid 2008-01-22 09:17:48 -08:00
watchdog [AVR32] Add support for AT32AP7001 and AT32AP7002 2008-01-25 08:31:41 +01:00
xen
zorro Amiga zorro bus: Add missing zorro_device_remove() 2007-11-26 19:15:31 -08:00
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