Since setup_root_args() is not used anymore, just remove it.
Signed-off-by: Tomohiro Misono <misono.tomohiro@xxxxxxxxxxxxxx>
---
fs/btrfs/super.c | 35 -----------------------------------
1 file changed, 35 deletions(-)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 7edd74d..f589c5b 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1367,41 +1367,6 @@ static inline int is_subvolume_inode(struct inode *inode)
return 0;
}
-/*
- * This will add subvolid=0 to the argument string while removing any subvol=
- * and subvolid= arguments to make sure we get the top-level root for path
- * walking to the subvol we want.
- */
-static char *setup_root_args(char *args)
-{
- char *buf, *dst, *sep;
-
- if (!args)
- return kstrdup("subvolid=0", GFP_NOFS);
-
- /* The worst case is that we add ",subvolid=0" to the end. */
- buf = dst = kmalloc(strlen(args) + strlen(",subvolid=0") + 1, GFP_NOFS);
- if (!buf)
- return NULL;
-
- while (1) {
- sep = strchrnul(args, ',');
- if (!strstarts(args, "subvol=") &&
- !strstarts(args, "subvolid=")) {
- memcpy(dst, args, sep - args);
- dst += sep - args;
- *dst++ = ',';
- }
- if (*sep)
- args = sep + 1;
- else
- break;
- }
- strcpy(dst, "subvolid=0");
-
- return buf;
-}
-
static struct dentry *mount_subvol(const char *subvol_name, u64 subvol_objectid,
int flags, const char *device_name,
char *data, struct vfsmount *mnt)
--
2.9.5
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