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Niklas Cassel 876293121f ata: scsi: rename flag ATA_QCFLAG_FAILED to ATA_QCFLAG_EH 
The name ATA_QCFLAG_FAILED is misleading since it does not mean that a
QC completed in error, or that it didn't complete at all. It means that
libata decided to schedule EH for the QC, so the QC is now owned by the
libata error handler (EH).

The normal execution path is responsible for not accessing a QC owned
by EH. libata core enforces the rule by returning NULL from
ata_qc_from_tag() for QCs owned by EH.

It is quite easy to mistake that a QC marked with ATA_QCFLAG_FAILED was
an error. However, a QC that was actually an error is instead indicated
by having qc->err_mask set. E.g. when we have a NCQ error, we abort all
QCs, which currently will mark all QCs as ATA_QCFLAG_FAILED. However, it
will only be a single QC that is an error (i.e. has qc->err_mask set).

Rename ATA_QCFLAG_FAILED to ATA_QCFLAG_EH to more clearly highlight that
this flag simply means that a QC is now owned by EH. This new name will
not mislead to think that the QC was an error (which is instead
indicated by having qc->err_mask set).

This also makes it more obvious that the EH code skips all QCs that do
not have ATA_QCFLAG_EH set (rather than ATA_QCFLAG_FAILED), since the EH
code should simply only care about QCs that are owned by EH itself.

Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
 		2023-01-04 13:36:26 +09:00
..
accel Fix mismerge due to devnode now taking a 'const *' device 2022-12-16 13:04:15 -06:00
accessibility
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acpi ACPI fixes for 6.2-rc2 2022-12-30 10:47:25 -08:00
amba ARM updates for 6.2 2022-12-13 15:22:14 -08:00
android
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ata ata: scsi: rename flag ATA_QCFLAG_FAILED to ATA_QCFLAG_EH 2023-01-04 13:36:26 +09:00
atm treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
auxdisplay
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base Kbuild updates for v6.2 2022-12-19 12:33:32 -06:00
bcma
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block treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
bluetooth treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
bus Char/Misc driver changes for 6.2-rc1 2022-12-16 03:49:24 -08:00
cdrom
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char random: do not include <asm/archrandom.h> from random.h 2022-12-20 03:13:45 +01:00
clk A pile of clk driver updates with a small tracepoint patch to the clk core this 2022-12-13 13:46:07 -08:00
clocksource Updates for timers, timekeeping and drivers: 2022-12-12 12:52:02 -08:00
comedi
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connector
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counter
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cpufreq linux-kselftest-next-6.2-rc1 2022-12-12 16:39:38 -08:00
cpuidle powerpc updates for 6.2 2022-12-19 07:13:33 -06:00
crypto powerpc updates for 6.2 2022-12-19 07:13:33 -06:00
cxl cxl/region: Fix memdev reuse check 2022-12-08 13:03:47 -08:00
dax
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dca
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devfreq
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dio
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dma dmaengine updates for v6.2 2022-12-19 08:54:17 -06:00
dma-buf Driver Core changes for 6.2-rc1 2022-12-16 03:54:54 -08:00
edac Merge branches 'edac-ghes' and 'edac-misc' into edac-updates-for-v6.2 2022-12-12 15:40:03 +01:00
eisa
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extcon Char/Misc driver changes for 6.2-rc1 2022-12-16 03:49:24 -08:00
firewire
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firmware remoteproc updates for v6.2 2022-12-21 09:37:14 -08:00
fpga Char/Misc driver changes for 6.2-rc1 2022-12-16 03:49:24 -08:00
fsi
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gnss
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gpio pwm: Changes for v6.2-rc1 2022-12-21 09:41:28 -08:00
gpu drm-fixes for 6.2-rc2 2023-01-01 11:11:13 -08:00
greybus
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hid treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
hsi
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hte
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hv Networking changes for 6.2. 2022-12-13 15:47:48 -08:00
hwmon hwmon updates for v6.2 merge window 2022-12-13 13:09:38 -08:00
hwspinlock
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hwtracing
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i2c Core got a new helper 'i2c_client_get_device_id', designware got some 2022-12-15 14:47:10 -08:00
i3c i3c: export SETDASA method 2022-12-11 21:25:58 +01:00
idle
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iio Char/Misc driver changes for 6.2-rc1 2022-12-16 03:49:24 -08:00
infiniband v6.2 merge window 2nd pull request 2022-12-17 08:23:42 -06:00
input treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
interconnect
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iommu IOMMU Updates for Linux v6.2 2022-12-19 08:34:39 -06:00
ipack
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irqchip RISC-V Patches for the 6.2 Merge Window, Part 1 2022-12-14 15:23:49 -08:00
isdn treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
leds treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
macintosh
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mailbox - qcom: enable sc8280xp, sm8550 and sm4250 support 2022-12-21 09:31:18 -08:00
mcb
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md - Fix use-after-free races due to missing resource cleanup during DM 2022-12-13 10:58:09 -08:00
media treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
memory ARM updates for 6.2 2022-12-13 15:22:14 -08:00
memstick memstick/mspro_block: Convert to use sysfs_emit()/sysfs_emit_at() APIs 2022-12-09 10:29:58 +01:00
message
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mfd - New Drivers 2022-12-21 09:19:24 -08:00
misc kernel hardening fixes for v6.2-rc1 2022-12-23 12:00:24 -08:00
mmc MMC core: 2022-12-13 13:41:26 -08:00
most
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mtd MTD core changes: 2022-12-13 12:32:07 -08:00
mux
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net treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
nfc treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
ntb
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nubus
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nvdimm
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nvme block-6.2-2022-12-29 2022-12-29 16:57:29 -08:00
nvmem Char/Misc driver changes for 6.2-rc1 2022-12-16 03:49:24 -08:00
of Devicetree updates for v6.2, part 2: 2022-12-20 08:48:24 -06:00
opp
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parisc parisc: led: Fix potential null-ptr-deref in start_task() 2022-12-17 23:19:38 +01:00
parport
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pci phy-for-6.2 2022-12-19 08:40:58 -06:00
pcmcia treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
peci
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perf RISC-V Patches for the 6.2 Merge Window, Part 1 2022-12-14 15:23:49 -08:00
phy phy-for-6.2 2022-12-19 08:40:58 -06:00
pinctrl Pin control changes for the v6.2 kernel cycle: 2022-12-13 13:03:06 -08:00
platform USB/Thunderbolt driver changes for 6.2-rc1 2022-12-16 03:22:53 -08:00
pnp
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power power supply and reset changes for the v6.2 series 2022-12-17 08:39:31 -06:00
powercap
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pps
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ps3
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ptp Networking changes for 6.2. 2022-12-13 15:47:48 -08:00
pwm pwm: Changes for v6.2-rc1 2022-12-21 09:41:28 -08:00
rapidio rapidio: devices: fix missing put_device in mport_cdev_open 2022-12-11 19:30:20 -08:00
ras
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regulator regulator: Fixes for v6.2 2022-12-23 14:38:00 -08:00
remoteproc remoteproc: core: Do pm_relax when in RPROC_OFFLINE state 2022-12-07 11:20:55 -07:00
reset
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rpmsg
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rtc - New Drivers 2022-12-21 09:19:24 -08:00
s390 Driver Core changes for 6.2-rc1 2022-12-16 03:54:54 -08:00
sbus
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scsi ata: scsi: rename flag ATA_QCFLAG_FAILED to ATA_QCFLAG_EH 2023-01-04 13:36:26 +09:00
sh
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siox
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slimbus
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soc ARM: SoC fixes for 6.2 2022-12-19 16:07:59 -06:00
soundwire soundwire updates for 6.2 2022-12-19 08:47:33 -06:00
spi spi: Fix for v6.2 2022-12-23 14:44:08 -08:00
spmi
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ssb
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staging treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
target SCSI misc on 20221213 2022-12-14 08:58:51 -08:00
tc
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tee SoC driver updates for 6.2 2022-12-12 10:17:08 -08:00
thermal More thermal control updates for 6.2-rc1 2022-12-15 10:16:04 -08:00
thunderbolt
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tty treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
ufs SCSI misc on 20221213 2022-12-14 08:58:51 -08:00
uio
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usb treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
vdpa
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vfio Driver Core changes for 6.2-rc1 2022-12-16 03:54:54 -08:00
vhost
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video - Fix-ups 2022-12-21 09:24:39 -08:00
virt Char/Misc driver changes for 6.2-rc1 2022-12-16 03:49:24 -08:00
virtio
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vlynq
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w1
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watchdog linux-watchdog 6.2-rc1 tag 2022-12-17 08:34:01 -06:00
xen drm for 6.2: 2022-12-13 11:59:58 -08:00
zorro
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Kconfig
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Makefile
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