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authorNeilBrown <neilb@suse.de>2006-01-06 00:20:33 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:34:06 -0800
commitfccddba060f2b4916a30aa27acc3d03b01bb981e (patch)
tree92fbb81ab3b1fdbbe8de9ba2ebb91ac68c57b2a0 /include/linux/raid
parent9ffae0cf3ea02f75d163922accfd3e592d87adde (diff)
downloadlwn-fccddba060f2b4916a30aa27acc3d03b01bb981e.tar.gz
lwn-fccddba060f2b4916a30aa27acc3d03b01bb981e.zip
[PATCH] md: tidy up raid5/6 hash table code
- replace open-coded hash chain with hlist macros - Fix hash-table size at one page - it is already quite generous, so there will never be a need to use multiple pages, so no need for __get_free_pages No functional change. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/raid')
-rw-r--r--include/linux/raid/raid5.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h
index 28fcd7533ac4..394da8207b34 100644
--- a/include/linux/raid/raid5.h
+++ b/include/linux/raid/raid5.h
@@ -126,7 +126,7 @@
*/
struct stripe_head {
- struct stripe_head *hash_next, **hash_pprev; /* hash pointers */
+ struct hlist_node hash;
struct list_head lru; /* inactive_list or handle_list */
struct raid5_private_data *raid_conf;
sector_t sector; /* sector of this row */
@@ -204,7 +204,7 @@ struct disk_info {
};
struct raid5_private_data {
- struct stripe_head **stripe_hashtbl;
+ struct hlist_head *stripe_hashtbl;
mddev_t *mddev;
struct disk_info *spare;
int chunk_size, level, algorithm;