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James Bottomley fa8e36c39b [SCSI] fix barrier failure issue 
Currently, if the barrier command fails, the error return isn't seen
by the block layer and it proceeds on regardless.  The problem is that
SCSI always returns no error for REQ_TYPE_BLOCK_PC ... it expects the
submitter to pick the errors out of req->errors, which the block
barrier functions don't do.

Since it appears that the way SG_IO and scsi_execute_request() work
they discard the block error return and always use req->errors, the
best fix for this is to have the SCSI layer return an error to block
if one actually occurred (this also allows us to filter out spurious
errors, like deferred sense).

This patch is a bug fix that will need backporting to stable, but it's
also quite a big change and in need of testing, so we'll incubate in
the main kernel tree and backport at the -rc2 or so stage if no
problems turn up.

Acked-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-07 12:19:10 -05:00
..
acorn/char Fix default compose table initialization 2008-03-03 14:53:16 -08:00
acpi Revert "ACPI: Ignore _BQC object when registering backlight device" 2008-04-05 12:14:13 -07:00
amba
ata [SCSI] libata: use scsi_build_sense_buffer 2008-04-07 12:19:02 -05:00
atm [ATM] drivers/atm/iphase.c: compilation warning fix 2008-04-02 00:03:00 -07:00
auxdisplay
base driver core: fix small mem leak in driver_add_kobj() 2008-03-28 14:45:23 -07:00
block nbd: prevent sock_xmit from attempting to use a NULL socket 2008-04-02 15:28:19 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-03-12 13:08:09 -07:00
cdrom make cdrom.c:check_for_audio_disc() static 2008-03-04 11:28:41 +01:00
char fix IS_I9XX macro in i915 DRM driver 2008-04-06 16:10:40 -07:00
clocksource
connector connector: convert to single-threaded workqueue 2008-03-23 21:51:12 -07:00
cpufreq [CPUFREQ] fix section mismatch warnings 2008-03-05 14:45:31 -05:00
cpuidle cpuidle: fix 100% C0 statistics regression 2008-03-26 00:58:19 -04:00
crypto drivers/crypto/hifn_795x.c trivial endianness annotations 2008-03-30 14:20:24 -07:00
dca
dio
dma [POWERPC] fsldma: Use compatiable binding as spec 2008-03-31 11:45:41 -05:00
edac
eisa
firewire firewire: fw-ohci: plug dma memory leak in AR handler 2008-03-27 21:01:14 +01:00
firmware ipmi: change device node ordering to reflect probe order 2008-04-04 14:46:26 -07:00
gpio gpio/pca953x bugfix: mark as can_sleep 2008-03-10 18:01:19 -07:00
hid HID: update key codes for Apple aluminium 2008-03-18 11:20:33 +01:00
hwmon hwmon: (w83781d) Fix I/O resource conflict with PNP 2008-03-27 08:40:41 -04:00
i2c i2c: Fix docbook problem 2008-03-23 20:28:20 +01:00
ide ide: use ->ata_input_data in ide_driveid_update() 2008-04-02 21:22:05 +02:00
ieee1394 ieee1394: sbp2: fix for SYM13FW500 bridge (Datafab disk) 2008-03-14 00:56:59 +01:00
infiniband trivial endianness annotations: infiniband core 2008-03-30 14:20:24 -07:00
input Input: appletouch - add product IDs for the 4th generation MacBooks 2008-04-02 10:14:29 -04:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-03-12 13:08:09 -07:00
leds leds: Remove incorrect use of preempt_count() from leds-gpio 2008-03-31 23:31:13 +01:00
lguest misc __user misannotations (pointless casts to long) 2008-03-30 14:20:23 -07:00
macintosh [POWERPC] Fix build of modular drivers/macintosh/apm_emu.c 2008-03-13 10:09:27 +11:00
mca
md dm io: write error bits form long not int 2008-03-28 14:45:23 -07:00
media Merge branch 'pci_id_updates' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb 2008-04-06 16:12:24 -07:00
memstick memstick: suppress uninitialized-var warning 2008-03-28 14:45:23 -07:00
message [SCSI] mpt fusion: fix up msi_enable in mpt_suspend 2008-04-07 12:19:02 -05:00
mfd mfd/asic3: ioread/iowrite take pointer, not unsigned long 2008-03-30 14:20:24 -07:00
misc NULL noise: drivers/misc 2008-03-30 14:18:41 -07:00
mmc mmc: use sysfs groups to handle conditional attributes 2008-03-22 17:02:20 -07:00
mtd mtd: fix broken state in CFI driver caused by FL_SHUTDOWN 2008-04-04 14:46:26 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-04-07 08:36:57 -07:00
nubus
of
oprofile
parisc [PARISC] make ptr_to_pide() static 2008-03-15 19:17:12 -07:00
parport parport_pc: make sure to release IO ports after probing for IT87XX 2008-04-04 14:30:31 -07:00
pci pci: revert SMBus unhide on HP Compaq nx6110 2008-03-28 14:45:22 -07:00
pcmcia PCI: drivers/pcmcia/i82092.c: fix up after pci_bus_region changes 2008-02-21 15:34:35 -08:00
pnp pnpacpi: reduce printk severity for "pnpacpi: exceeded the max number of ..." 2008-03-26 14:22:20 -04:00
power
ps3
rapidio docbook: fix rapidio source files 2008-03-03 10:47:13 -08:00
rtc rtc-at91sam9 fixes 2008-03-19 18:53:37 -07:00
s390 [SCSI] zfcp: Add docbook comments to debug trace. 2008-04-07 12:19:10 -05:00
sbus
scsi [SCSI] fix barrier failure issue 2008-04-07 12:19:10 -05:00
serial atmel_serial: fix uart/console concurrent access 2008-04-02 15:28:19 -07:00
sh maple: fix device detection 2008-02-26 14:12:09 +09:00
sn ioc3.c: replace remaining __FUNCTION__ occurrences 2008-03-17 08:11:48 -04:00
spi spi_bitbang: short transfer status fix 2008-03-13 13:11:43 -07:00
ssb ssb: Add pcibios_enable_device() return value check 2008-03-04 18:36:35 -05:00
tc
telephony
thermal thermal: delete "default y" 2008-03-18 01:22:10 -04:00
uio UIO: add pgprot_noncached() to UIO mmap code 2008-03-24 22:33:49 -07:00
usb USB: ohci: fix 2 timers to fire at jiffies + 1s 2008-04-02 15:06:09 -07:00
video blackfin video driver: fix bug when opening/reading/mmaping BF54x and BF52x framebuffer simultaneously 2008-03-28 14:45:22 -07:00
virtio virtio_pci iomem annotations 2008-03-30 14:20:23 -07:00
w1 ds1wm: report bus reset error 2008-03-04 16:35:12 -08:00
watchdog [WATCHDOG] it8712f_wdt Zero MSB timeout byte when disabling watchdog 2008-04-06 19:12:22 +00:00
xen xen: fix grant table bug 2008-04-04 18:36:46 +02:00
zorro
Kconfig
Makefile