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eedffa28c9
linux/drivers/block
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Jeff Layton eedffa28c9 loop: clear wb_err in bd_inode when detaching backing file 
When a loop block device encounters a writeback error, that error will
get propagated to the bd_inode's wb_err field. If we then detach the
backing file from it, attach another and fsync it, we'll get back the
writeback error that we had from the previous backing file.

This is a bit of a grey area as POSIX doesn't cover loop devices, but it
is somewhat counterintuitive.

If we detach a backing file from the loopdev while there are still
unreported errors, take it as a sign that we're no longer interested in
the previous file, and clear out the wb_err in the loop blockdev.

Reported-and-Tested-by: Theodore Y. Ts'o <tytso@mit.edu>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-05-21 12:36:03 -06:00
..
aoe aoe: use ktime_t instead of timeval 2018-01-17 08:41:07 -07:00
drbd block: Use blk_queue_flag_*() in drivers instead of queue_flag_*() 2018-03-08 14:13:48 -07:00
mtip32xx mtip32xx: Use the blk_queue_flag_*() functions 2018-03-08 14:13:48 -07:00
paride cdrom: do not call check_disk_change() inside cdrom_open() 2018-03-09 08:06:35 -07:00
rsxx block: Use blk_queue_flag_*() in drivers instead of queue_flag_*() 2018-03-08 14:13:48 -07:00
xen-blkback Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block 2017-09-07 11:59:42 -07:00
zram Merge branch 'akpm' (patches from Andrew) 2018-04-06 14:19:26 -07:00
amiflop.c genhd: Rename get_disk() to get_disk_and_module() 2018-02-26 09:48:42 -07:00
ataflop.c genhd: Rename get_disk() to get_disk_and_module() 2018-02-26 09:48:42 -07:00
brd.c block: Move SECTOR_SIZE and SECTOR_SHIFT definitions into <linux/blkdev.h> 2018-03-17 14:45:23 -06:00
cryptoloop.c block: cryptoloop - Fix build warning 2017-09-26 07:41:22 -06:00
DAC960.c pci-v4.16-changes 2018-02-06 09:59:40 -08:00
DAC960.h block: DAC960: Replace PCI pool old API 2018-01-02 16:09:50 -06:00
floppy.c genhd: Rename get_disk() to get_disk_and_module() 2018-02-26 09:48:42 -07:00
Kconfig null_blk: remove explicit 'select FAULT_INJECTION' 2018-01-11 07:58:31 -07:00
loop.c loop: clear wb_err in bd_inode when detaching backing file 2018-05-21 12:36:03 -06:00
loop.h loop: remove cmd->rq member 2018-04-14 22:34:27 -06:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nbd.c block: Use blk_queue_flag_*() in drivers instead of queue_flag_*() 2018-03-08 14:13:48 -07:00
null_blk.c block: Move SECTOR_SIZE and SECTOR_SHIFT definitions into <linux/blkdev.h> 2018-03-17 14:45:23 -06:00
pktcdvd.c block: fix a typo 2018-03-01 08:41:27 -07:00
ps3disk.c block: introduce new block status code type 2017-06-09 09:27:32 -06:00
ps3vram.c block/ps3vram: Check return of ps3vram_cache_init 2017-08-17 23:03:44 +10:00
rbd_types.h rbd: RBD_V{1,2}_DATA_FORMAT macros 2017-02-20 12:16:15 +01:00
rbd.c rbd: notrim map option 2018-04-16 09:38:40 +02:00
skd_main.c block: Use blk_queue_flag_*() in drivers instead of queue_flag_*() 2018-03-08 14:13:48 -07:00
skd_s1120.h skd: Use __packed only when needed 2017-08-18 08:45:29 -06:00
sunvdc.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
swim3.c block/swim: Rename macros to avoid inconsistent inverted logic 2018-04-16 21:49:35 -06:00
swim_asm.S
swim.c block/swim: Select appropriate drive on device open 2018-04-16 21:49:35 -06:00
sx8.c block: introduce new block status code type 2017-06-09 09:27:32 -06:00
umem.c block: Fix a race between the cgroup code and request queue initialization 2018-02-28 12:23:35 -07:00
umem.h
virtio_blk.c virtio, vhost: fixes, cleanups, features 2018-02-08 10:41:00 -08:00
xen-blkfront.c for-4.17/block-20180402 2018-04-05 14:27:02 -07:00
xsysace.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
z2ram.c genhd: Rename get_disk() to get_disk_and_module() 2018-02-26 09:48:42 -07:00