linux-kernel - [RESEND][PATCH -mm 1/2] vfs: fix coding style at dcache.c.

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Message-ID: <486051AA.8000507@np.css.fujitsu.com>
Date:	Tue, 24 Jun 2008 10:45:14 +0900
From:	Kentaro Makita <k-makita@...css.fujitsu.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-fsdevel@...r.kernel.org, akpm@...ux-foundation.org,
	viro@...IV.linux.org.uk, harvey.harrison@...il.com
Subject: [RESEND][PATCH -mm 1/2] vfs: fix coding style at dcache.c.

o fix coding style at dcache.c. No behavior changed.

Signed-off-by: Kentaro Makita <k-makita@...css.fujitsu.com>
---
 fs/dcache.c |   21 ++++++++++-----------
 1 files changed, 10 insertions(+), 11 deletions(-)

Index: b/fs/dcache.c
===================================================================
--- a/fs/dcache.c	2008-06-05 11:44:26.000000000 +0900
+++ b/fs/dcache.c	2008-06-05 11:48:57.000000000 +0900
@@ -453,15 +453,15 @@ static void __shrink_dcache_sb(struct su
 	int cnt = 0;

 	BUG_ON(!sb);
-	BUG_ON((flags & DCACHE_REFERENCED) && count == NULL);
+	BUG_ON((flags & DCACHE_REFERENCED) && !count);
 	spin_lock(&dcache_lock);
-	if (count != NULL)
+	if (count)
 		/* called from prune_dcache() and shrink_dcache_parent() */
 		cnt = *count;
 restart:
-	if (count == NULL)
+	if (!count) {
 		list_splice_init(&sb->s_dentry_lru, &tmp);
-	else {
+	} else {
 		while (!list_empty(&sb->s_dentry_lru)) {
 			dentry = list_entry(sb->s_dentry_lru.prev,
 					struct dentry, d_lru);
@@ -473,16 +473,15 @@ restart:
 			 * the dentry has this flag set, don't free it. Clear
 			 * the flag and put it back on the LRU.
 			 */
-			if ((flags & DCACHE_REFERENCED)
-				&& (dentry->d_flags & DCACHE_REFERENCED)) {
+			if ((flags & DCACHE_REFERENCED) &&
+			    (dentry->d_flags & DCACHE_REFERENCED)) {
 				dentry->d_flags &= ~DCACHE_REFERENCED;
 				list_move_tail(&dentry->d_lru, &referenced);
 				spin_unlock(&dentry->d_lock);
 			} else {
 				list_move_tail(&dentry->d_lru, &tmp);
 				spin_unlock(&dentry->d_lock);
-				cnt--;
-				if (!cnt)
+				if (--cnt == 0)
 					break;
 			}
 		}
@@ -504,10 +503,10 @@ restart:
 		/* dentry->d_lock was dropped in prune_one_dentry() */
 		cond_resched_lock(&dcache_lock);
 	}
-	if (count == NULL && !list_empty(&sb->s_dentry_lru))
-		goto restart;
-	if (count != NULL)
+	if (count)
 		*count = cnt;
+	else if (!list_empty(&sb->s_dentry_lru))
+		goto restart;
 	if (!list_empty(&referenced))
 		list_splice(&referenced, &sb->s_dentry_lru);
 	spin_unlock(&dcache_lock);









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