From: raz ben yehuda <raziebe@gmail.com>
To: NeilBrown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Subject: Subject: [PATCH] mdadm: raid0: support chunks of 4K*n for raid0
Date: Thu, 14 May 2009 20:12:11 +0300 [thread overview]
Message-ID: <1242321131.11444.23.camel@raz> (raw)
In-Reply-To: <4743925b38e2d64317e0b6d7c8005a29.squirrel@neil.brown.name>
Neil.
I do not know what is policy for mdadm patches. I would thankful for some instructions.
The bellow is the patch I applied to support raid0 chunk sizes 4K*n.
---
--- mdadm.c (revision 16152)
+++ mdadm.c (working copy)
@@ -314,7 +314,8 @@
exit(2);
}
chunk = strtol(optarg, &c, 10);
- if (!optarg[0] || *c || chunk<4 || (chunk%4)) {
+ if (!optarg[0] || *c || chunk<4 || (((chunk-1)&chunk) && level !=0)
+ || (((chunk%4) && level ==0) )) {
fprintf(stderr, Name ": invalid chunk/rounding value: %s\n",
optarg);
exit(2);
next prev parent reply other threads:[~2009-05-14 17:12 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-14 10:43 [PATCH 0/6] md: Remove the hash tables from raid0 Andre Noll
2009-05-14 10:43 ` [PATCH] md: raid0: Replace hash table lookup by looping over all strip_zones Andre Noll
2009-05-14 11:15 ` NeilBrown
2009-05-14 12:10 ` Andre Noll
2009-05-14 12:25 ` NeilBrown
2009-05-14 12:54 ` Sujit Karataparambil
2009-05-14 15:00 ` SandeepKsinha
2009-05-14 15:58 ` PATCH md [001:002]: raid0: fix chunk size to 4K*n granularity raz ben yehuda
2009-05-14 14:07 ` Andre Noll
2009-05-14 22:35 ` Neil Brown
2009-05-18 22:58 ` raz ben yehuda
2009-05-14 16:00 ` Subject: PATCH[002:002] md: raid0: dump raid configuration raz ben yehuda
2009-05-14 17:12 ` raz ben yehuda [this message]
2009-05-15 3:59 ` Subject: [PATCH] mdadm: raid0: support chunks of 4K*n for raid0 Sujit Karataparambil
2009-05-15 6:01 ` Raz
2009-05-15 6:45 ` Sujit Karataparambil
2009-05-15 8:39 ` NeilBrown
2009-05-15 15:45 ` Raz
2009-05-14 12:22 ` [PATCH] md: raid0: Replace hash table lookup by looping over all strip_zones Neil Brown
2009-05-14 15:51 ` raz ben yehuda
2009-05-14 20:38 ` NeilBrown
2009-05-15 13:18 ` Andre Noll
2009-05-15 17:30 ` Andre Noll
2009-05-15 21:19 ` Raz
2009-05-18 8:21 ` Andre Noll
2009-05-14 11:15 ` SandeepKsinha
2009-05-14 12:01 ` SandeepKsinha
2009-05-14 12:15 ` SandeepKsinha
2009-05-14 14:13 ` raz ben yehuda
2009-05-14 10:43 ` [PATCH] md: raid0: Remove hash table Andre Noll
2009-05-14 10:43 ` [PATCH] md: raid0: Remove hash spacing and sector shift Andre Noll
2009-05-14 10:43 ` [PATCH] md: raid0: Make raid0_run() return a proper error code Andre Noll
2009-05-14 11:21 ` NeilBrown
2009-05-14 11:42 ` Andre Noll
2009-05-14 10:43 ` [PATCH] md: raid0: Kfree() strip_zone and devlist in create_strip_zones() Andre Noll
2009-05-14 10:43 ` [PATCH] md: raid0: Simplify raid0_run() Andre Noll
2009-05-14 11:43 ` SandeepKsinha
2009-05-14 12:06 ` NeilBrown
2009-05-14 14:03 ` raz ben yehuda
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