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linux/arch/um/drivers
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Christoph Hellwig ec85cb2895 ubd: untagle discard vs write zeroes not support handling 
[ Upstream commit 31ade7d4fd ]

Discard and Write Zeroes are different operation and implemented
by different fallocate opcodes for ubd.  If one fails the other one
can work and vice versa.

Split the code to disable the operations in ubd_handler to only
disable the operation that actually failed.

Fixes: 50109b5a03 ("um: Add support for DISCARD in the UBD Driver")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Link: https://lore.kernel.org/r/20240531074837.1648501-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-08-03 08:48:53 +02:00
..
chan.h um: remove unused reactivate_chan() declaration 2022-09-19 23:02:21 +02:00
chan_kern.c um: line: Use separate IRQs per line 2022-05-27 09:03:41 +02:00
chan_user.c um: chan_user: Fix winch_tramp() return value 2022-05-27 09:03:41 +02:00
chan_user.h um: Add an option to make serial driver non-raw 2020-01-19 22:41:50 +01:00
cow.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
cow_sys.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cow_user.c um: ubd: use 64-bit time_t where possible 2019-12-18 18:07:31 +01:00
daemon.h um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
daemon_kern.c um: daemon: Make default socket configurable 2022-05-27 09:00:40 +02:00
daemon_user.c um: Some fixes to build UML with musl 2020-10-11 23:13:06 +02:00
fd.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
harddog.h um: harddog: fix modular build 2023-06-09 10:34:10 +02:00
harddog_kern.c um: harddog: fix modular build 2023-06-09 10:34:10 +02:00
harddog_user.c um: harddog: fix modular build 2023-06-09 10:34:10 +02:00
harddog_user_exp.c um: harddog: fix modular build 2023-06-09 10:34:10 +02:00
hostaudio_kern.c um: Remove unneeded variable 'ret' 2021-04-15 23:10:33 +02:00
Kconfig um: Fix hostaudio build errors 2023-09-13 09:42:58 +02:00
line.c um: Add winch to winch_handlers before registering winch IRQ 2024-06-12 11:03:46 +02:00
line.h um: line: Use separate IRQs per line 2022-05-27 09:03:41 +02:00
Makefile um: Fix hostaudio build errors 2023-09-13 09:42:58 +02:00
mconsole.h um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
mconsole_kern.c um: Do not initialise statics to 0. 2022-09-19 23:10:07 +02:00
mconsole_kern.h um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
mconsole_user.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
mmapper_kern.c um: mmaper: add __exit annotations to module exit funcs 2022-09-19 23:01:50 +02:00
net_kern.c um: net: Fix return type of uml_net_start_xmit() 2024-02-05 20:12:57 +00:00
net_user.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
null.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
pcap_kern.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
pcap_user.c um: Some fixes to build UML with musl 2020-10-11 23:13:06 +02:00
pcap_user.h um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
port.h um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
port_kern.c um: Support dynamic IRQ allocation 2020-12-13 22:22:08 +01:00
port_user.c um: port_user: Improve error handling when port-helper is not found 2022-03-11 10:55:55 +01:00
pty.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
random.c um: random: Don't initialise hwrng struct with zero 2022-07-17 23:34:09 +02:00
rtc.h um: add a pseudo RTC 2021-02-12 21:38:52 +01:00
rtc_kern.c um: add a pseudo RTC 2021-02-12 21:38:52 +01:00
rtc_user.c isystem: trim/fixup stdarg.h and other headers 2021-08-19 09:02:55 +09:00
slip.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
slip_common.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
slip_common.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
slip_kern.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
slip_user.c um: fix error return code in slip_open() 2021-06-17 22:10:05 +02:00
slirp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
slirp_kern.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
slirp_user.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
ssl.c um: Do not initialise statics to 0. 2022-09-19 23:10:07 +02:00
stderr_console.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stdio_console.c um: Do not initialise statics to 0. 2022-09-19 23:10:07 +02:00
stdio_console.h um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
tty.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
ubd.h um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
ubd_kern.c ubd: untagle discard vs write zeroes not support handling 2024-08-03 08:48:53 +02:00
ubd_user.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
umcast.h um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
umcast_kern.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
umcast_user.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
vde.h um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
vde_kern.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
vde_user.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
vector_kern.c um: vector: fix bpfflash parameter evaluation 2024-06-12 11:03:46 +02:00
vector_kern.h um: Migrate vector drivers to NAPI 2022-03-11 10:45:21 +01:00
vector_transports.c um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
vector_user.c uml: net: vector: fix const issue 2022-03-11 10:47:05 +01:00
vector_user.h uml: net: vector: fix const issue 2022-03-11 10:47:05 +01:00
vhost_user.h um: virtio: Replace zero-length array with flexible-array 2020-06-02 22:38:00 +02:00
virt-pci.c um: virt-pci: properly remove PCI device from bus 2023-03-11 13:55:23 +01:00
virtio_uml.c um: virtio_uml: move device breaking into workqueue 2023-03-11 13:55:23 +01:00
xterm.c um: xterm: Make default terminal emulator configurable 2022-05-27 08:50:07 +02:00
xterm.h um: Add SPDX headers for files in arch/um/drivers 2019-09-15 21:37:16 +02:00
xterm_kern.c um: Support dynamic IRQ allocation 2020-12-13 22:22:08 +01:00