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authorJan Kara <jack@suse.cz>2008-07-25 01:46:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 10:53:35 -0700
commit02a55ca87185e114e5d298a8d00608501dbabf67 (patch)
tree958b60f8fb2936d7207146ff99be431c2c17edc5 /fs
parentb85f4b87a511bea86dac68c4f0fabaee2cac6c4c (diff)
downloadlinux-02a55ca87185e114e5d298a8d00608501dbabf67.tar.gz
quota: cleanup loop in sync_dquots()
Make loop in sync_dquots() checking whether there's something to write
more readable, remove useless variable and macro info_any_dirty() which
is used only in this place.

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: "Vegard Nossum" <vegard.nossum@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/quota.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/quota.c b/fs/quota.c
index db1cc9f3c7aa..7f4386ebc23a 100644
--- a/fs/quota.c
+++ b/fs/quota.c
@@ -186,7 +186,7 @@ static void quota_sync_sb(struct super_block *sb, int type)
 
 void sync_dquots(struct super_block *sb, int type)
 {
-	int cnt, dirty;
+	int cnt;
 
 	if (sb) {
 		if (sb->s_qcop->quota_sync)
@@ -198,11 +198,17 @@ void sync_dquots(struct super_block *sb, int type)
 restart:
 	list_for_each_entry(sb, &super_blocks, s_list) {
 		/* This test just improves performance so it needn't be reliable... */
-		for (cnt = 0, dirty = 0; cnt < MAXQUOTAS; cnt++)
-			if ((type == cnt || type == -1) && sb_has_quota_enabled(sb, cnt)
-			    && info_any_dirty(&sb_dqopt(sb)->info[cnt]))
-				dirty = 1;
-		if (!dirty)
+		for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+			if (type != -1 && type != cnt)
+				continue;
+			if (!sb_has_quota_enabled(sb, cnt))
+				continue;
+			if (!info_dirty(&sb_dqopt(sb)->info[cnt]) &&
+			    list_empty(&sb_dqopt(sb)->info[cnt].dqi_dirty_list))
+				continue;
+			break;
+		}
+		if (cnt == MAXQUOTAS)
 			continue;
 		sb->s_count++;
 		spin_unlock(&sb_lock);