[PATCH] use list_add_tail() instead of list_add()

This patch converts list_add(A, B.prev) to list_add_tail(A, &B) for
readability.
Acked-by: NKarsten Keil <kkeil@suse.de>
Cc: Jan Harkes <jaharkes@cs.cmu.edu>
Acked-by: NJan Kara <jack@suse.cz>
AOLed-by: NDavid Woodhouse <dwmw2@infradead.org>
Cc: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: NAkinobu Mita <mita@miraclelinux.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

fs/coda/psdev.c

@@ -259,7 +259,7 @@ static ssize_t coda_psdev_read(struct file * file, char __user * buf,
 	/* If request was not a signal, enqueue and don't free */
 	if (!(req->uc_flags & REQ_ASYNC)) {
 		req->uc_flags |= REQ_READ;
-		list_add(&(req->uc_chain), vcp->vc_processing.prev);
+		list_add_tail(&(req->uc_chain), &vcp->vc_processing);
 		goto out;
 	}
 

fs/coda/upcall.c

@@ -725,7 +725,7 @@ static int coda_upcall(struct coda_sb_info *sbi,
 	((union inputArgs *)buffer)->ih.unique = req->uc_unique;
 
 	/* Append msg to pending queue and poke Venus. */
-	list_add(&(req->uc_chain), vcommp->vc_pending.prev);
+	list_add_tail(&(req->uc_chain), &vcommp->vc_pending);
         
 	wake_up_interruptible(&vcommp->vc_waitq);
 	/* We can be interrupted while we wait for Venus to process

fs/dcache.c

@@ -638,7 +638,7 @@ static int select_parent(struct dentry * parent)
 		 * of the unused list for prune_dcache
 		 */
 		if (!atomic_read(&dentry->d_count)) {
-			list_add(&dentry->d_lru, dentry_unused.prev);
+			list_add_tail(&dentry->d_lru, &dentry_unused);
 			dentry_stat.nr_unused++;
 			found++;
 		}

fs/dquot.c

@@ -250,7 +250,7 @@ static inline struct dquot *find_dquot(unsigned int hashent, struct super_block
 /* Add a dquot to the tail of the free list */
 static inline void put_dquot_last(struct dquot *dquot)
 {
-	list_add(&dquot->dq_free, free_dquots.prev);
+	list_add_tail(&dquot->dq_free, &free_dquots);
 	dqstats.free_dquots++;
 }
 
@@ -266,7 +266,7 @@ static inline void put_inuse(struct dquot *dquot)
 {
 	/* We add to the back of inuse list so we don't have to restart
 	 * when traversing this list and we block */
-	list_add(&dquot->dq_inuse, inuse_list.prev);
+	list_add_tail(&dquot->dq_inuse, &inuse_list);
 	dqstats.allocated_dquots++;
 }