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authorDave Chinner <david@fromorbit.com>2013-06-27 10:04:53 +0400
committerBen Myers <bpm@sgi.com>2013-06-27 22:34:12 +0400
commit3ebe7d2d73179c4874aee4f32e043eb5acd9fa0f (patch)
tree39bf0b8fac593d4051ebfbc7011a26423a8f90a4 /fs/xfs/xfs_super.c
parent5f6bed76c0c85cb4d04885a5de00b629deee550b (diff)
downloadlinux-3ebe7d2d73179c4874aee4f32e043eb5acd9fa0f.tar.xz
xfs: Inode create log items
Introduce the inode create log item type for logical inode create logging. Instead of logging the changes in buffers, pass the range to be initialised through the log by a new transaction type. This reduces the amount of log space required to record initialisation during allocation from about 128 bytes per inode to a small fixed amount per inode extent to be initialised. This requires a new log item type to track it through the log and the AIL. This is a relatively simple item - most callbacks are noops as this item has the same life cycle as the transaction. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_super.c')
-rw-r--r--fs/xfs/xfs_super.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 14924099bcb8..30ef68f8a390 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -51,6 +51,7 @@
#include "xfs_inode_item.h"
#include "xfs_icache.h"
#include "xfs_trace.h"
+#include "xfs_icreate_item.h"
#include <linux/namei.h>
#include <linux/init.h>
@@ -1650,9 +1651,15 @@ xfs_init_zones(void)
KM_ZONE_SPREAD, NULL);
if (!xfs_ili_zone)
goto out_destroy_inode_zone;
+ xfs_icreate_zone = kmem_zone_init(sizeof(struct xfs_icreate_item),
+ "xfs_icr");
+ if (!xfs_icreate_zone)
+ goto out_destroy_ili_zone;
return 0;
+ out_destroy_ili_zone:
+ kmem_zone_destroy(xfs_ili_zone);
out_destroy_inode_zone:
kmem_zone_destroy(xfs_inode_zone);
out_destroy_efi_zone:
@@ -1691,6 +1698,7 @@ xfs_destroy_zones(void)
* destroy caches.
*/
rcu_barrier();
+ kmem_zone_destroy(xfs_icreate_zone);
kmem_zone_destroy(xfs_ili_zone);
kmem_zone_destroy(xfs_inode_zone);
kmem_zone_destroy(xfs_efi_zone);