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authorIngo Molnar <mingo@elte.hu>2009-01-10 12:04:41 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-10 12:04:41 +0100
commitb17304245f0db0ac69b795c411407808f3f2796d (patch)
tree63ed3915d9295bd08f640bf25c322064ba787fad /fs/filesystems.c
parent889c92d21db40be0b7d22a59395060237895bb85 (diff)
parent9a100a4464917b5ffff3a8ce1c2758088fd9bb32 (diff)
Merge branch 'linus' into x86/setup-lzma
Conflicts: init/do_mounts_rd.c
Diffstat (limited to 'fs/filesystems.c')
-rw-r--r--fs/filesystems.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/fs/filesystems.c b/fs/filesystems.c
index d0e20ced62dd..d488dcd7f2bb 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -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);