Commit d8e9650d authored by Li Zefan's avatar Li Zefan Committed by Al Viro

vfs: remove duplicate code in get_fs_type()

save 14 bytes:

   text    data     bss     dec     hex filename
   1354      32       4    1390     56e fs/filesystems.o.before
   text    data     bss     dec     hex filename
   1340      32       4    1376     560 fs/filesystems.o
Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 4c728ef5
......@@ -253,24 +253,27 @@ static int __init proc_filesystems_init(void)
module_init(proc_filesystems_init);
#endif
struct file_system_type *get_fs_type(const char *name)
static struct file_system_type *__get_fs_type(const char *name, int len)
{
struct file_system_type *fs;
const char *dot = strchr(name, '.');
unsigned len = dot ? dot - name : strlen(name);
read_lock(&file_systems_lock);
fs = *(find_filesystem(name, len));
if (fs && !try_module_get(fs->owner))
fs = NULL;
read_unlock(&file_systems_lock);
if (!fs && (request_module("%.*s", len, name) == 0)) {
read_lock(&file_systems_lock);
fs = *(find_filesystem(name, len));
if (fs && !try_module_get(fs->owner))
fs = NULL;
read_unlock(&file_systems_lock);
}
return fs;
}
struct file_system_type *get_fs_type(const char *name)
{
struct file_system_type *fs;
const char *dot = strchr(name, '.');
int len = dot ? dot - name : strlen(name);
fs = __get_fs_type(name, len);
if (!fs && (request_module("%.*s", len, name) == 0))
fs = __get_fs_type(name, len);
if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) {
put_filesystem(fs);
......
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