[patch 03/16] jffs/intrep: list_for_each_entry

domen
2005-08-08T22:35:24Z

[-- Attachment #1: list-for-each-entry-fs_jffs_intrep.patch --]
[-- Type: text/plain, Size: 2132 bytes --]

From: Domen Puncer <domen@coderock.org>

Use list_for_each_entry to make code more readable.

Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Maximilian Attems <janitor@sternwelten.at>
Signed-off-by: Domen Puncer <domen@coderock.org>
---
intrep.c | 22 +++++++++-------------
1 files changed, 9 insertions(+), 13 deletions(-)

Index: quilt/fs/jffs/intrep.c
===================================================================
--- quilt.orig/fs/jffs/intrep.c
+++ quilt/fs/jffs/intrep.c
@@ -1701,12 +1701,10 @@ jffs_find_file(struct jffs_control *c, _
{
struct jffs_file *f;
int i = ino % c->hash_len;
- struct list_head *tmp;

D3(printk("jffs_find_file(): ino: %u\n", ino));

- for (tmp = c->hash[i].next; tmp != &c->hash[i]; tmp = tmp->next) {
- f = list_entry(tmp, struct jffs_file, hash);
+ list_for_each_entry(f, &c->hash[i], hash) {
if (ino != f->ino)
continue;
D3(printk("jffs_find_file(): Found file with ino "
@@ -2102,13 +2100,12 @@ jffs_foreach_file(struct jffs_control *c
int result = 0;

for (pos = 0; pos < c->hash_len; pos++) {
- struct list_head *p, *next;
- for (p = c->hash[pos].next; p != &c->hash[pos]; p = next) {
- /* We need a reference to the next file in the
- list because `func' might remove the current
- file `f'. */
- next = p->next;
- r = func(list_entry(p, struct jffs_file, hash));
+ struct jffs_file *f, *next;
+
+ /* We must do _safe, because 'func' might remove the
+ current file 'f' from the list. */
+ list_for_each_entry_safe(f, next, &c->hash[pos], hash) {
+ r = func(f);
if (r < 0)
return r;
result += r;
@@ -2613,9 +2610,8 @@ jffs_print_hash_table(struct jffs_contro

printk("JFFS: Dumping the file system's hash table...\n");
for (i = 0; i < c->hash_len; i++) {
- struct list_head *p;
- for (p = c->hash[i].next; p != &c->hash[i]; p = p->next) {
- struct jffs_file *f=list_entry(p,struct jffs_file,hash);
+ struct jffs_file *f;
+ list_for_each_entry(f, &c->hash[i], hash) {
printk("*** c->hash[%u]: \"%s\" "
"(ino: %u, pino: %u)\n",
i, (f->name ? f->name : ""),

--