Dan Williams b228f7fdef raid6: fix recovery performance regression ...

commit 5157b4aa5b upstream.

The raid6 recovery code should immediately drop back to the optimized
synchronous path when a p+q dma resource is not available.  Otherwise we
run the non-optimized/multi-pass async code in sync mode.

Verified with raid6test (NDISKS=255)

Applies to kernels >= 2.6.32.

Acked-by: NeilBrown <neilb@suse.de>
Reported-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2010-05-12 14:57:05 -07:00

..

async_tx

raid6: fix recovery performance regression

2010-05-12 14:57:05 -07:00

ablkcipher.c

crypto: blkcipher - Do not use eseqiv on stream ciphers

2009-08-14 22:58:18 +10:00

aead.c

headers: remove sched.h from interrupt.h

2009-10-11 11:20:58 -07:00

aes_generic.c

crypto: aes - Undefined behaviour in crypto_aes_expand_key

2009-07-24 13:59:17 +08:00

ahash.c

crypto: ahash - Use GFP_KERNEL on allocation if the request can sleep

2009-07-24 13:56:31 +08:00

algapi.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2009-09-11 09:38:37 -07:00

algboss.c

crypto: api - Add new template create function

2009-07-07 12:30:33 +08:00

ansi_cprng.c

crypto: ansi_cprng - Fix module initialization

2009-08-29 17:36:25 +10:00

anubis.c

[CRYPTO] all: Clean up init()/fini()

2008-04-21 10:19:34 +08:00

api.c

crypto: api - Remove frontend argument from extsize/init_tfm

2009-07-14 12:58:15 +08:00

arc4.c

[CRYPTO] api: Get rid of flags argument to setkey

2006-09-21 11:41:02 +10:00

authenc.c

crypto: authenc - Convert to ahash

2009-08-05 19:35:34 +10:00

blkcipher.c

crypto: skcipher - Avoid infinite loop when cipher fails selftest

2009-02-18 21:20:06 +08:00

blowfish.c

[CRYPTO] all: Clean up init()/fini()

2008-04-21 10:19:34 +08:00

camellia.c

crypto: camellia - use kernel-provided bitops, unaligned access

2008-12-25 11:01:15 +11:00

cast5.c

[CRYPTO] all: Clean up init()/fini()

2008-04-21 10:19:34 +08:00

cast6.c

[CRYPTO] all: Clean up init()/fini()

2008-04-21 10:19:34 +08:00

cbc.c

Convert ERR_PTR(PTR_ERR(p)) instances to ERR_CAST(p)

2008-02-07 08:42:26 -08:00

ccm.c

crypto: ccm - Fix handling of null assoc data

2009-01-27 17:11:15 +11:00

chainiv.c

crypto: chainiv - Use kcrypto_wq instead of keventd_wq

2009-02-19 14:44:02 +08:00

cipher.c

[CRYPTO] api: Add missing headers for setkey_unaligned

2007-10-10 16:55:40 -07:00

compress.c

cleanup asm/scatterlist.h includes

2007-11-02 08:47:06 +01:00

crc32c.c

libcrc32c: Move implementation to crypto crc32c

2008-12-25 11:01:40 +11:00

cryptd.c

crypto: cryptd - Add support to access underlaying shash

2009-08-06 15:35:20 +10:00

crypto_null.c

crypto: null - Switch to shash

2008-12-25 11:02:07 +11:00

crypto_wq.c

crypto: api - Use dedicated workqueue for crypto subsystem

2009-02-19 14:33:40 +08:00

ctr.c

crypto: ctr - Use chainiv on raw counter mode

2009-08-13 23:10:39 +10:00

cts.c

[CRYPTO] cts: Init SG tables

2008-06-02 15:46:51 +10:00

deflate.c

[CRYPTO] all: Clean up init()/fini()

2008-04-21 10:19:34 +08:00

des_generic.c

crypto: des3_ede - permit weak keys unless REQ_WEAK_KEY set

2008-12-25 11:02:28 +11:00

digest.c

crypto: hash - Fix digest size check for digest type

2008-08-13 20:08:38 +10:00

ecb.c

Convert ERR_PTR(PTR_ERR(p)) instances to ERR_CAST(p)

2008-02-07 08:42:26 -08:00

eseqiv.c

crypto: eseqiv - Fix IV generation for sync algorithms

2009-04-15 20:45:03 +08:00

fcrypt.c

crypto: remove uses of __constant_{endian} helpers

2008-12-25 11:02:03 +11:00

fips.c

crypto: api - Add fips_enable flag

2008-08-29 15:50:02 +10:00

gcm.c

crypto: gcm - fix another complete call in complete fuction

2009-11-16 21:52:22 +08:00

gf128mul.c

crypto: Fix dead links

2009-03-04 14:43:52 +08:00

ghash-generic.c

crypto: ghash - Add GHASH digest algorithm for GCM

2009-08-06 15:32:38 +10:00

hash.c

crypto: hash - Move ahash functions into crypto/hash.h

2008-07-10 20:35:18 +08:00

hmac.c

crypto: hmac - Prehash ipad/opad

2009-07-24 15:18:41 +08:00

internal.h

crypto: cryptd - Switch to template create API

2009-07-14 18:45:45 +08:00

Kconfig

crypto: vmac - New hash algorithm for intel_txt support

2009-09-02 20:05:22 +10:00

khazad.c

[CRYPTO] all: Clean up init()/fini()

2008-04-21 10:19:34 +08:00

krng.c

crypto: rng - RNG interface and implementation

2008-08-29 15:50:04 +10:00

lrw.c

crypto: lrw - Fix big endian support

2009-02-17 20:00:11 +08:00

lzo.c

[CRYPTO] all: Clean up init()/fini()

2008-04-21 10:19:34 +08:00

Makefile

crypto: vmac - New hash algorithm for intel_txt support

2009-09-02 20:05:22 +10:00

md4.c

crypto: md4 - Switch to shash

2008-12-25 11:02:16 +11:00

md5.c

crypto: md5 - Switch to shash

2008-12-25 11:02:18 +11:00

michael_mic.c

crypto: michael_mic - Switch to shash

2008-12-25 11:02:24 +11:00

pcbc.c

Convert ERR_PTR(PTR_ERR(p)) instances to ERR_CAST(p)

2008-02-07 08:42:26 -08:00

pcompress.c

crypto: api - Remove frontend argument from extsize/init_tfm

2009-07-14 12:58:15 +08:00

proc.c

crypto: api - Call type show function before legacy for proc

2008-12-25 11:01:32 +11:00

ripemd.h

[CRYPTO] ripemd: Put all common RIPEMD values in header file

2008-07-10 20:35:12 +08:00

rmd128.c

crypto: rmd128 - Switch to shash

2008-12-25 11:02:09 +11:00

rmd160.c

crypto: rmd160 - Switch to shash

2008-12-25 11:02:10 +11:00

rmd256.c

crypto: rmd256 - Switch to shash

2008-12-25 11:02:12 +11:00

rmd320.c

crypto: rmd320 - Switch to shash

2008-12-25 11:02:13 +11:00

rng.c

crypto: rng - Fix typo

2009-08-13 11:53:56 +10:00

salsa20_generic.c

crypto: salsa20 - Remove private wrappers around various operations

2008-12-25 11:02:30 +11:00

scatterwalk.c

crypto: scatterwalk - Avoid flush_dcache_page on slab pages

2009-02-09 14:30:25 +11:00

seed.c

[CRYPTO] seed: New cipher algorithm

2007-10-10 16:55:38 -07:00

seqiv.c

crypto: skcipher - Use RNG interface instead of get_random_bytes

2008-08-29 15:50:06 +10:00

serpent.c

[CRYPTO] all: Clean up init()/fini()

2008-04-21 10:19:34 +08:00

sha1_generic.c

crypto: sha1_generic - Add export/import support

2009-07-11 18:23:33 +08:00

sha256_generic.c

crypto: sha256_generic - Add export/import support

2009-07-11 18:23:34 +08:00

sha512_generic.c

crypto: sha512_generic - Use 64-bit counters

2009-07-22 14:38:13 +08:00

shash.c

crypto: shash - Test for the algorithms import function before exporting it

2009-07-24 13:57:13 +08:00

tcrypt.c

crypto: vmac - New hash algorithm for intel_txt support

2009-09-02 20:05:22 +10:00

tcrypt.h

crypto: cryptomgr - Add test infrastructure

2008-08-29 15:49:55 +10:00

tea.c

[CRYPTO] all: Clean up init()/fini()

2008-04-21 10:19:34 +08:00

testmgr.c

crypto: vmac - New hash algorithm for intel_txt support

2009-09-02 20:05:22 +10:00

testmgr.h

crypto: vmac - New hash algorithm for intel_txt support

2009-09-02 20:05:22 +10:00

tgr192.c

crypto: tgr192 - Switch to shash

2008-12-25 11:02:21 +11:00

twofish_common.c

[CRYPTO] twofish: Do not unroll big stuff in twofish key setup

2008-01-11 08:16:06 +11:00

twofish.c

[CRYPTO] all: Clean up init()/fini()

2008-04-21 10:19:34 +08:00

vmac.c

crypto: vmac - New hash algorithm for intel_txt support

2009-09-02 20:05:22 +10:00

wp512.c

crypto: wp512 - Switch to shash

2008-12-25 11:02:22 +11:00

xcbc.c

crypto: xcbc - Fix alignment calculation of xcbc_tfm_ctx

2009-08-20 17:58:04 +10:00

xor.c

crypto: don't track xor test pages with kmemcheck

2009-06-15 12:40:10 +02:00

xts.c

[CRYPTO] xts: Use proper alignment

2008-03-06 18:56:19 +08:00

zlib.c

crypto: compress - Return produced bytes in crypto_{,de}compress_{update,final}

2009-06-02 14:04:56 +10:00