[Ocfs2-devel] [PATCH] ocfs2: Optimize bad declarations and redundant assignment
Norton.Zhu
norton.zhu at huawei.com
Sun Nov 15 18:06:22 PST 2015
In ocfs2_parse_options,
a)it's better to declare variables(small size) outside of while loop;
b)'option' will be set by match_int, 'option = 0;' makes no sense, if match_int failed,
it just goto bail and return.
Signed-off-by: Norton.Zhu <norton.zhu at huawei.com>
---
fs/ocfs2/super.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 403c566..8a6b48f 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1278,6 +1278,8 @@ static int ocfs2_parse_options(struct super_block *sb,
int status, user_stack = 0;
char *p;
u32 tmp;
+ int token, option;
+ substring_t args[MAX_OPT_ARGS];
trace_ocfs2_parse_options(is_remount, options ? options : "(none)");
@@ -1296,9 +1298,6 @@ static int ocfs2_parse_options(struct super_block *sb,
}
while ((p = strsep(&options, ",")) != NULL) {
- int token, option;
- substring_t args[MAX_OPT_ARGS];
-
if (!*p)
continue;
@@ -1356,7 +1355,6 @@ static int ocfs2_parse_options(struct super_block *sb,
mopt->atime_quantum = option;
break;
case Opt_slot:
- option = 0;
if (match_int(&args[0], &option)) {
status = 0;
goto bail;
@@ -1365,7 +1363,6 @@ static int ocfs2_parse_options(struct super_block *sb,
mopt->slot = (s16)option;
break;
case Opt_commit:
- option = 0;
if (match_int(&args[0], &option)) {
status = 0;
goto bail;
@@ -1377,7 +1374,6 @@ static int ocfs2_parse_options(struct super_block *sb,
mopt->commit_interval = HZ * option;
break;
case Opt_localalloc:
- option = 0;
if (match_int(&args[0], &option)) {
status = 0;
goto bail;
--
1.8.4.3
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