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02c5aa9b092818785ed8db4e2246a828278138e3
mirror_zfs/include/os/linux/kernel/linux
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Rob N 8f1b7a6fa6 vdev_disk: disable flushes if device does not support it 
If the underlying device doesn't have a write-back cache, the kernel
will just return a successful response. This doesn't hurt anything, but
it's extra work on the IO taskqs that are unnecessary. So, detect this
when we open the device for the first time.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes #16148
2024-05-02 15:18:35 -07:00
..
blkdev_compat.h
vdev_disk: disable flushes if device does not support it
2024-05-02 15:18:35 -07:00
compiler_compat.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dcache_compat.h
compact: workaround for GPL-only symbols on riscv from Linux 6.2
2023-12-06 12:37:50 -08:00
kmap_compat.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
mm_compat.h
linux 5.4 compat: page_size()
2024-03-25 16:48:15 -07:00
mod_compat.h
vdev_disk: rewrite BIO filling machinery to avoid split pages
2024-03-25 16:51:14 -07:00
page_compat.h
Linux 5.9 compat: NR_SLAB_RECLAIMABLE
2020-08-29 20:57:45 -07:00
percpu_compat.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
simd_aarch64.h
Linux 6.2 compat: add check for kernel_neon_* availability
2024-01-08 16:05:24 -08:00
simd_arm.h
Linux 6.2 compat: add check for kernel_neon_* availability
2024-01-08 16:05:24 -08:00
simd_powerpc.h
Refactor CONFIG_SPE check on Linux/powerpc
2023-03-15 10:30:42 -07:00
simd_x86.h
Avoid save/restoring AMX registers to avoid a SPR erratum
2023-08-26 11:25:46 -07:00
simd.h
Add SHA2 SIMD feature tests for Linux
2023-03-02 13:52:04 -08:00
utsname_compat.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vfs_compat.h
Linux 6.6 compat: generic_fillattr has a new u32 request_mask added at arg2
2023-09-21 18:38:40 -07:00
xattr_compat.h
Linux 6.3 compat: idmapped mount API changes
2023-04-10 14:15:36 -07:00