Darrick J. Wong efcfec579f loop: fix no-unmap write-zeroes request behavior ... Currently, if the loop device receives a WRITE_ZEROES request, it asks the underlying filesystem to punch out the range. This behavior is correct if unmapping is allowed. However, a NOUNMAP request means that the caller doesn't want us to free the storage backing the range, so punching out the range is incorrect behavior. To satisfy a NOUNMAP | WRITE_ZEROES request, loop should ask the underlying filesystem to FALLOC_FL_ZERO_RANGE, which is (according to the fallocate documentation) required to ensure that the entire range is backed by real storage, which suffices for our purposes. Fixes: 19372e2769 ("loop: implement REQ_OP_WRITE_ZEROES") Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>		2019-11-01 08:43:20 -06:00
..
aoe	block: aoe: Fix kernel crash due to atomic sleep when exiting	2019-08-08 07:29:02 -06:00
drbd	augmented rbtree: add new RB_DECLARE_CALLBACKS_MAX macro	2019-09-25 17:51:39 -07:00
mtip32xx	block: mtip32xx: Spelling s/configration/configuration/	2019-10-25 14:31:07 -06:00
paride	paride/pcd: need to check if cd->disk is null in pcd_detect	2019-09-04 07:04:37 -06:00
rsxx	rsxx: don't call dma_set_max_seg_size	2019-06-05 13:18:39 -06:00
xen-blkback	xen/blkback: fix memory leaks	2019-08-12 08:18:37 -06:00
zram	docs: blockdev: add it to the admin-guide	2019-07-15 11:03:01 -03:00
amiflop.c	treewide: Add SPDX license identifier for more missed files	2019-05-21 10:50:45 +02:00
ataflop.c	ataflop: Mark expected switch fall-through	2019-07-29 15:24:58 -06:00
brd.c	treewide: Add SPDX license identifier for more missed files	2019-05-21 10:50:45 +02:00
cryptoloop.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 30	2019-05-24 17:27:10 +02:00
floppy.c	floppy: fix usercopy direction	2019-08-09 07:41:36 -06:00
Kconfig	docs: blockdev: add it to the admin-guide	2019-07-15 11:03:01 -03:00
loop.c	loop: fix no-unmap write-zeroes request behavior	2019-11-01 08:43:20 -06:00
loop.h	block/loop: Use global lock for ioctl() operation.	2018-11-08 06:30:11 -07:00
Makefile	drivers/block: Remove DAC960 driver	2018-10-17 09:42:30 -06:00
nbd.c	nbd: fix possible page fault for nbd disk	2019-09-17 20:03:49 -06:00
null_blk_main.c	null_blk: return fixed zoned reads > write pointer	2019-10-17 19:01:22 -06:00
null_blk_zoned.c	null_blk: return fixed zoned reads > write pointer	2019-10-17 19:01:22 -06:00
null_blk.h	null_blk: return fixed zoned reads > write pointer	2019-10-17 19:01:22 -06:00
pktcdvd.c	pktcdvd: remove warning on attempting to register non-passthrough dev	2019-09-22 10:01:05 -06:00
ps3disk.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 164	2019-05-30 11:26:38 -07:00
ps3vram.c	block/ps3vram: Use %llu to format sector_t after LBDAF removal	2019-06-13 03:17:50 -06:00
rbd_types.h	rbd: support for object-map and fast-diff	2019-07-08 14:01:45 +02:00
rbd.c	rbd: pull rbd_img_request_create() dout out into the callers	2019-09-16 12:06:25 +02:00
skd_main.c	Linux 5.2-rc6	2019-07-01 08:16:08 -06:00
skd_s1120.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 497	2019-06-19 17:09:53 +02:00
sunvdc.c	treewide: Add SPDX license identifier for more missed files	2019-05-21 10:50:45 +02:00
swim3.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152	2019-05-30 11:26:32 -07:00
swim_asm.S	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152	2019-05-30 11:26:32 -07:00
swim.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152	2019-05-30 11:26:32 -07:00
sx8.c	sx8: use a per-host tag_set	2018-11-09 08:14:14 -07:00
umem.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 349	2019-06-05 17:37:08 +02:00
umem.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 348	2019-06-05 17:37:08 +02:00
virtio_blk.c	treewide: Add SPDX license identifier for more missed files	2019-05-21 10:50:45 +02:00
xen-blkfront.c	xen-blkfront: switch kcalloc to kvcalloc for large array allocation	2019-06-03 22:16:19 -04:00
xsysace.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500	2019-06-19 17:09:55 +02:00
z2ram.c	powerpc updates for 4.20	2018-10-26 14:36:21 -07:00