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| author | Norton.Zhu <norton.zhu@huawei.com> | 2016-01-14 15:17:09 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-14 16:00:49 -0800 |
| commit | 3eb5bdf0f47726e3ef0a875e0cce3cca462ee70d (patch) | |
| tree | 7a6fcc72a9ad8f328901a30291ce7a4d224d56b1 | |
| parent | 2886357b24662fcf7dc138c9d5e3166e99a55750 (diff) | |
| download | linux-3eb5bdf0f47726e3ef0a875e0cce3cca462ee70d.tar.gz linux-3eb5bdf0f47726e3ef0a875e0cce3cca462ee70d.tar.bz2 linux-3eb5bdf0f47726e3ef0a875e0cce3cca462ee70d.zip | |
ocfs2: optimize bad declarations and redundant assignment
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@huawei.com>
Reviewed-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Gang He <ghe@suse.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Acked-by: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/ocfs2/super.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 2de4c8a9340c..64dcd787fa80 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1280,6 +1280,8 @@ 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)"); @@ -1298,9 +1300,6 @@ 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; @@ -1367,7 +1366,6 @@ 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; @@ -1376,7 +1374,6 @@ 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; @@ -1388,7 +1385,6 @@ 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; |