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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /fs/configfs/mount.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/configfs/mount.c')
-rw-r--r--fs/configfs/mount.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index 276e15cafd5..aee0a7ebbd8 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -37,8 +37,7 @@
/* Random magic number */
#define CONFIGFS_MAGIC 0x62656570
-struct vfsmount * configfs_mount = NULL;
-struct super_block * configfs_sb = NULL;
+static struct vfsmount *configfs_mount = NULL;
struct kmem_cache *configfs_dir_cachep;
static int configfs_mnt_count = 0;
@@ -77,12 +76,11 @@ static int configfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_magic = CONFIGFS_MAGIC;
sb->s_op = &configfs_ops;
sb->s_time_gran = 1;
- configfs_sb = sb;
inode = configfs_new_inode(S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
- &configfs_root);
+ &configfs_root, sb);
if (inode) {
- inode->i_op = &configfs_dir_inode_operations;
+ inode->i_op = &configfs_root_inode_operations;
inode->i_fop = &configfs_dir_operations;
/* directory inodes start off with i_nlink == 2 (for "." entry) */
inc_nlink(inode);
@@ -91,10 +89,9 @@ static int configfs_fill_super(struct super_block *sb, void *data, int silent)
return -ENOMEM;
}
- root = d_alloc_root(inode);
+ root = d_make_root(inode);
if (!root) {
pr_debug("%s: could not get root dentry!\n",__func__);
- iput(inode);
return -ENOMEM;
}
config_group_init(&configfs_root_group);
@@ -118,10 +115,11 @@ static struct file_system_type configfs_fs_type = {
.kill_sb = kill_litter_super,
};
-int configfs_pin_fs(void)
+struct dentry *configfs_pin_fs(void)
{
- return simple_pin_fs(&configfs_fs_type, &configfs_mount,
+ int err = simple_pin_fs(&configfs_fs_type, &configfs_mount,
&configfs_mnt_count);
+ return err ? ERR_PTR(err) : configfs_mount->mnt_root;
}
void configfs_release_fs(void)