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authorAl Viro <viro@zeniv.linux.org.uk>2010-07-26 16:21:33 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2010-10-29 04:17:21 -0400
commit061dbc6b9010bc1a30ef9a1da5469aefa83abd7f (patch)
tree34d4daddc92d881d1836880e03f0ec82a742f90e /fs/btrfs/super.c
parenta7f9fb205a88ab9af675a68fc554cf51dafc8b60 (diff)
downloadlwn-061dbc6b9010bc1a30ef9a1da5469aefa83abd7f.tar.gz
lwn-061dbc6b9010bc1a30ef9a1da5469aefa83abd7f.zip
convert btrfs
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 144f8a5730f5..ebe46c628748 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -560,8 +560,8 @@ static int btrfs_test_super(struct super_block *s, void *data)
* Note: This is based on get_sb_bdev from fs/super.c with a few additions
* for multiple device setup. Make sure to keep it in sync.
*/
-static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
- const char *dev_name, void *data, struct vfsmount *mnt)
+static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
+ const char *dev_name, void *data)
{
struct block_device *bdev = NULL;
struct super_block *s;
@@ -580,7 +580,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
&subvol_name, &subvol_objectid,
&fs_devices);
if (error)
- return error;
+ return ERR_PTR(error);
error = btrfs_scan_one_device(dev_name, mode, fs_type, &fs_devices);
if (error)
@@ -656,11 +656,8 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
root = new_root;
}
- mnt->mnt_sb = s;
- mnt->mnt_root = root;
-
kfree(subvol_name);
- return 0;
+ return root;
error_s:
error = PTR_ERR(s);
@@ -669,7 +666,7 @@ error_close_devices:
error_free_subvol_name:
kfree(subvol_name);
error:
- return error;
+ return ERR_PTR(error);
}
static int btrfs_remount(struct super_block *sb, int *flags, char *data)
@@ -746,7 +743,7 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
static struct file_system_type btrfs_fs_type = {
.owner = THIS_MODULE,
.name = "btrfs",
- .get_sb = btrfs_get_sb,
+ .mount = btrfs_mount,
.kill_sb = kill_anon_super,
.fs_flags = FS_REQUIRES_DEV,
};