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Diffstat (limited to 'fs/nilfs2/super.c')
-rw-r--r--fs/nilfs2/super.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index e835e1f5a712..badc2cbc895e 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -105,6 +105,10 @@ static void nilfs_set_error(struct super_block *sb)
/**
* __nilfs_error() - report failure condition on a filesystem
+ * @sb: super block instance
+ * @function: name of calling function
+ * @fmt: format string for message to be output
+ * @...: optional arguments to @fmt
*
* __nilfs_error() sets an ERROR_FS flag on the superblock as well as
* reporting an error message. This function should be called when
@@ -156,6 +160,7 @@ struct inode *nilfs_alloc_inode(struct super_block *sb)
return NULL;
ii->i_bh = NULL;
ii->i_state = 0;
+ ii->i_type = 0;
ii->i_cno = 0;
ii->i_assoc_inode = NULL;
ii->i_bmap = &ii->i_bmap_data;
@@ -304,6 +309,8 @@ int nilfs_commit_super(struct super_block *sb, int flag)
* This function restores state flags in the on-disk super block.
* This will set "clean" flag (i.e. NILFS_VALID_FS) unless the
* filesystem was not clean previously.
+ *
+ * Return: 0 on success, %-EIO if I/O error or superblock is corrupted.
*/
int nilfs_cleanup_super(struct super_block *sb)
{
@@ -334,6 +341,8 @@ int nilfs_cleanup_super(struct super_block *sb)
* nilfs_move_2nd_super - relocate secondary super block
* @sb: super block instance
* @sb2off: new offset of the secondary super block (in bytes)
+ *
+ * Return: 0 on success, or a negative error code on failure.
*/
static int nilfs_move_2nd_super(struct super_block *sb, loff_t sb2off)
{
@@ -415,6 +424,8 @@ out:
* nilfs_resize_fs - resize the filesystem
* @sb: super block instance
* @newsize: new size of the filesystem (in bytes)
+ *
+ * Return: 0 on success, or a negative error code on failure.
*/
int nilfs_resize_fs(struct super_block *sb, __u64 newsize)
{
@@ -982,7 +993,7 @@ static int nilfs_attach_snapshot(struct super_block *s, __u64 cno,
* nilfs_tree_is_busy() - try to shrink dentries of a checkpoint
* @root_dentry: root dentry of the tree to be shrunk
*
- * This function returns true if the tree was in-use.
+ * Return: true if the tree was in-use, false otherwise.
*/
static bool nilfs_tree_is_busy(struct dentry *root_dentry)
{
@@ -1028,6 +1039,8 @@ int nilfs_checkpoint_is_mounted(struct super_block *sb, __u64 cno)
*
* This function is called exclusively by nilfs->ns_mount_mutex.
* So, the recovery process is protected from other simultaneous mounts.
+ *
+ * Return: 0 on success, or a negative error code on failure.
*/
static int
nilfs_fill_super(struct super_block *sb, struct fs_context *fc)
@@ -1063,6 +1076,10 @@ nilfs_fill_super(struct super_block *sb, struct fs_context *fc)
if (err)
goto failed_nilfs;
+ super_set_uuid(sb, nilfs->ns_sbp[0]->s_uuid,
+ sizeof(nilfs->ns_sbp[0]->s_uuid));
+ super_set_sysfs_name_bdev(sb);
+
cno = nilfs_last_cno(nilfs);
err = nilfs_attach_checkpoint(sb, cno, true, &fsroot);
if (err) {