diff options
author | Paul Mundt <lethal@linux-sh.org> | 2009-09-25 12:15:15 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2009-09-25 12:15:15 +0900 |
commit | c373ba999103fa794f041eab5bd490714d2dee88 (patch) | |
tree | 8f2b445b1e0af2491c83527967dbcda76054a486 /drivers/md/raid5.h | |
parent | 6f3529f00a0a9ac06413d18d3926adf099cb59af (diff) | |
parent | 851b147e4411df6a1e7e90e2a609773c277eefd2 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/md/raid5.h')
-rw-r--r-- | drivers/md/raid5.h | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 9459689c4ea..2390e0e83da 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -2,6 +2,7 @@ #define _RAID5_H #include <linux/raid/xor.h> +#include <linux/dmaengine.h> /* * @@ -175,7 +176,9 @@ */ enum check_states { check_state_idle = 0, - check_state_run, /* parity check */ + check_state_run, /* xor parity check */ + check_state_run_q, /* q-parity check */ + check_state_run_pq, /* pq dual parity check */ check_state_check_result, check_state_compute_run, /* parity repair */ check_state_compute_result, @@ -215,8 +218,8 @@ struct stripe_head { * @target - STRIPE_OP_COMPUTE_BLK target */ struct stripe_operations { - int target; - u32 zero_sum_result; + int target, target2; + enum sum_check_flags zero_sum_result; } ops; struct r5dev { struct bio req; @@ -298,7 +301,7 @@ struct r6_state { #define STRIPE_OP_COMPUTE_BLK 1 #define STRIPE_OP_PREXOR 2 #define STRIPE_OP_BIODRAIN 3 -#define STRIPE_OP_POSTXOR 4 +#define STRIPE_OP_RECONSTRUCT 4 #define STRIPE_OP_CHECK 5 /* @@ -385,8 +388,21 @@ struct raid5_private_data { * (fresh device added). * Cleared when a sync completes. */ - - struct page *spare_page; /* Used when checking P/Q in raid6 */ + /* per cpu variables */ + struct raid5_percpu { + struct page *spare_page; /* Used when checking P/Q in raid6 */ + void *scribble; /* space for constructing buffer + * lists and performing address + * conversions + */ + } *percpu; + size_t scribble_len; /* size of scribble region must be + * associated with conf to handle + * cpu hotplug while reshaping + */ +#ifdef CONFIG_HOTPLUG_CPU + struct notifier_block cpu_notify; +#endif /* * Free stripes pool |