[patch 05/16] fs/dcache.c: list_for_each*

domen
2005-08-08T22:36:31Z

[-- Attachment #1: list-for-each-fs_dcache.patch --]
[-- Type: text/plain, Size: 1790 bytes --]

From: Domen Puncer <domen@coderock.org>

First one is list_for_each_entry (thanks maks), second 2 list_for_each_safe.

Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Maximilian Attems <janitor@sternwelten.at>
Signed-off-by: Domen Puncer <domen@coderock.org>
---
dcache.c | 16 ++++------------
1 files changed, 4 insertions(+), 12 deletions(-)

Index: quilt/fs/dcache.c
===================================================================
--- quilt.orig/fs/dcache.c
+++ quilt/fs/dcache.c
@@ -335,12 +335,10 @@ struct dentry * d_find_alias(struct inod
*/
void d_prune_aliases(struct inode *inode)
{
- struct list_head *tmp, *head = &inode->i_dentry;
+ struct dentry *dentry;
restart:
spin_lock(&dcache_lock);
- tmp = head;
- while ((tmp = tmp->next) != head) {
- struct dentry *dentry = list_entry(tmp, struct dentry, d_alias);
+ list_for_each_entry(dentry, &inode->i_dentry, d_alias) {
spin_lock(&dentry->d_lock);
if (!atomic_read(&dentry->d_count)) {
__dget_locked(dentry);
@@ -461,10 +459,7 @@ void shrink_dcache_sb(struct super_block
* superblock to the most recent end of the unused list.
*/
spin_lock(&dcache_lock);
- next = dentry_unused.next;
- while (next != &dentry_unused) {
- tmp = next;
- next = tmp->next;
+ list_for_each_safe(tmp, next, &dentry_unused) {
dentry = list_entry(tmp, struct dentry, d_lru);
if (dentry->d_sb != sb)
continue;
@@ -476,10 +471,7 @@ void shrink_dcache_sb(struct super_block
* Pass two ... free the dentries for this superblock.
*/
repeat:
- next = dentry_unused.next;
- while (next != &dentry_unused) {
- tmp = next;
- next = tmp->next;
+ list_for_each_safe(tmp, next, &dentry_unused) {
dentry = list_entry(tmp, struct dentry, d_lru);
if (dentry->d_sb != sb)
continue;

--