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Diffstat (limited to 'fs/super.c')
-rw-r--r--fs/super.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/fs/super.c b/fs/super.c
index 1db230432960..c9c7223bc2a2 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1596,13 +1596,14 @@ int setup_bdev_super(struct super_block *sb, int sb_flags,
EXPORT_SYMBOL_GPL(setup_bdev_super);
/**
- * get_tree_bdev - Get a superblock based on a single block device
+ * get_tree_bdev_flags - Get a superblock based on a single block device
* @fc: The filesystem context holding the parameters
* @fill_super: Helper to initialise a new superblock
+ * @flags: GET_TREE_BDEV_* flags
*/
-int get_tree_bdev(struct fs_context *fc,
- int (*fill_super)(struct super_block *,
- struct fs_context *))
+int get_tree_bdev_flags(struct fs_context *fc,
+ int (*fill_super)(struct super_block *sb,
+ struct fs_context *fc), unsigned int flags)
{
struct super_block *s;
int error = 0;
@@ -1613,10 +1614,10 @@ int get_tree_bdev(struct fs_context *fc,
error = lookup_bdev(fc->source, &dev);
if (error) {
- errorf(fc, "%s: Can't lookup blockdev", fc->source);
+ if (!(flags & GET_TREE_BDEV_QUIET_LOOKUP))
+ errorf(fc, "%s: Can't lookup blockdev", fc->source);
return error;
}
-
fc->sb_flags |= SB_NOSEC;
s = sget_dev(fc, dev);
if (IS_ERR(s))
@@ -1644,6 +1645,19 @@ int get_tree_bdev(struct fs_context *fc,
fc->root = dget(s->s_root);
return 0;
}
+EXPORT_SYMBOL_GPL(get_tree_bdev_flags);
+
+/**
+ * get_tree_bdev - Get a superblock based on a single block device
+ * @fc: The filesystem context holding the parameters
+ * @fill_super: Helper to initialise a new superblock
+ */
+int get_tree_bdev(struct fs_context *fc,
+ int (*fill_super)(struct super_block *,
+ struct fs_context *))
+{
+ return get_tree_bdev_flags(fc, fill_super, 0);
+}
EXPORT_SYMBOL(get_tree_bdev);
static int test_bdev_super(struct super_block *s, void *data)