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authorArjan van de Ven <arjan@linux.intel.com>2009-01-06 07:20:54 -0800
committerArjan van de Ven <arjan@linux.intel.com>2009-01-07 08:47:24 -0800
commitefaee192063a54749c56b7383803e16fe553630e (patch)
treeb18e3072904e53701bdd7889bb32babf8cc7bf7c /fs/inode.c
parentf29d3b23238e1955a8094e038c72546e99308e61 (diff)
async: make the final inode deletion an asynchronous event
this makes "rm -rf" on a (names cached) kernel tree go from 11.6 to 8.6 seconds on an ext3 filesystem Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Diffstat (limited to 'fs/inode.c')
-rw-r--r--fs/inode.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/inode.c b/fs/inode.c
index 7a6e8c2ff7b..0013ac1af8e 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -22,6 +22,7 @@
#include <linux/bootmem.h>
#include <linux/inotify.h>
#include <linux/mount.h>
+#include <linux/async.h>
/*
* This is needed for the following functions:
@@ -1138,16 +1139,11 @@ EXPORT_SYMBOL(remove_inode_hash);
* I_FREEING is set so that no-one will take a new reference to the inode while
* it is being deleted.
*/
-void generic_delete_inode(struct inode *inode)
+static void generic_delete_inode_async(void *data, async_cookie_t cookie)
{
+ struct inode *inode = data;
const struct super_operations *op = inode->i_sb->s_op;
- list_del_init(&inode->i_list);
- list_del_init(&inode->i_sb_list);
- inode->i_state |= I_FREEING;
- inodes_stat.nr_inodes--;
- spin_unlock(&inode_lock);
-
security_inode_delete(inode);
if (op->delete_inode) {
@@ -1171,6 +1167,16 @@ void generic_delete_inode(struct inode *inode)
destroy_inode(inode);
}
+void generic_delete_inode(struct inode *inode)
+{
+ list_del_init(&inode->i_list);
+ list_del_init(&inode->i_sb_list);
+ inode->i_state |= I_FREEING;
+ inodes_stat.nr_inodes--;
+ spin_unlock(&inode_lock);
+ async_schedule_special(generic_delete_inode_async, inode, &inode->i_sb->s_async_list);
+}
+
EXPORT_SYMBOL(generic_delete_inode);
static void generic_forget_inode(struct inode *inode)