Chuck Lever 21037b8c22 xprtrdma: Provide a buffer to pad Write chunks of unaligned length ...

This is a buffer to be left persistently registered while a
connection is up. Connection tear-down will automatically DMA-unmap,
invalidate, and dereg the MR. A persistently registered buffer is
lower in cost to provide, and it can never be coalesced into the
RDMA segment that carries the data payload.

An RPC that provisions a Write chunk with a non-aligned length now
uses this MR rather than the tail buffer of the RPC's rq_rcv_buf.

Reviewed-By: Tom Talpey <tom@talpey.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

2021-10-20 18:09:54 -04:00

..

acpi

Revert "ACPI: Add memory semantics to acpi_os_map_memory()"

2021-09-23 20:39:36 +02:00

asm-generic

pci_iounmap'2: Electric Boogaloo: try to make sense of it all

2021-09-19 17:13:35 -07:00

clocksource

drivers: hv: Decouple Hyper-V clock/timer code from VMbus drivers

2021-07-19 09:24:28 +00:00

crypto

Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2021-08-30 12:57:10 -07:00

drm

drm/ttm: Include pagemap.h from ttm_tt.h

2021-08-16 14:44:05 +02:00

dt-bindings

Merge tag 'linux-watchdog-5.15-rc1' of git://www.linux-watchdog.org/linux-watchdog

2021-09-07 13:52:46 -07:00

keys

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kunit

Merge tag 'linux-kselftest-kunit-fixes-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

2021-07-02 12:58:26 -07:00

kvm

KVM: arm64: Fix PMU probe ordering

2021-09-20 12:43:34 +01:00

linux

NFS: Save some space in the inode

2021-10-20 18:09:54 -04:00

math-emu

math-emu: Fix fall-through warning

2021-07-13 13:57:44 -05:00

media

media: v4l: subdev: Add pre_streamon and post_streamoff callbacks

2021-08-04 14:43:51 +02:00

memory

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misc

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net

af_unix: fix races in sk_peer_pid and sk_peer_cred accesses

2021-09-30 14:18:40 +01:00

pcmcia

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ras

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rdma

Merge branch 'sg_nents' into rdma.git for-next

2021-08-30 09:49:59 -03:00

scsi

scsi: core: Remove 'current_tag'

2021-09-22 00:13:38 -04:00

soc

Merge branches 'clk-nvidia', 'clk-rockchip', 'clk-at91' and 'clk-vc5' into clk-next

2021-09-01 15:26:58 -07:00

sound

ALSA: rawmidi: introduce SNDRV_RAWMIDI_IOCTL_USER_PVERSION

2021-09-23 09:26:40 +02:00

target

scsi: target: Allows backend drivers to fail with specific sense codes

2021-08-17 22:28:40 -04:00

trace

xprtrdma: Provide a buffer to pad Write chunks of unaligned length

2021-10-20 18:09:54 -04:00

uapi

Merge tag 'sound-5.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

2021-09-29 07:48:00 -07:00

vdso

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video

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xen

swiotlb-xen: this is PV-only on x86

2021-09-20 17:01:21 +02:00