From mboxrd@z Thu Jan 1 00:00:00 1970 From: Domen Puncer Date: Thu, 29 Jul 2004 11:49:37 +0000 Subject: [Kernel-janitors] [patch 2.6.8-rc2] list_for_each_entry: Message-Id: <20040729114937.GP2294@masina.coderock.org> MIME-Version: 1 Content-Type: multipart/mixed; boundary="===============7903626402889703==" List-Id: References: <20040729114250.GB2294@masina.coderock.org> In-Reply-To: <20040729114250.GB2294@masina.coderock.org> To: kernel-janitors@vger.kernel.org --===============7903626402889703== Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Use list_for_each_entry to make code more readable. Compile tested. Signed-off-by: Domen Puncer --- c/fs/jffs/intrep.c Wed Jul 14 19:15:11 2004 +++ list_for_each/fs/jffs/intrep.c Wed Jul 28 20:34:06 2004 @@ -1619,12 +1619,10 @@ { 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 " @@ -2020,13 +2018,12 @@ 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; @@ -2589,9 +2586,8 @@ 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 : ""), --===============7903626402889703== Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline _______________________________________________ Kernel-janitors mailing list Kernel-janitors@lists.osdl.org http://lists.osdl.org/mailman/listinfo/kernel-janitors --===============7903626402889703==--