[PATCH v2 43/50] convert hypfs

Al Viro
2025-10-28T00:46:22Z

just have hypfs_create_file() do the usual simple_start_creating()/
d_make_persistent()/simple_done_creating() and that's it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
arch/s390/hypfs/inode.c | 23 +++++++++--------------
1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 6a80ab2692be..98952543d593 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -311,7 +311,7 @@ static void hypfs_kill_super(struct super_block *sb)
struct hypfs_sb_info *sb_info = sb->s_fs_info;

hypfs_last_dentry = NULL;
- kill_litter_super(sb);
+ kill_anon_super(sb);
kfree(sb_info);
}

@@ -321,17 +321,13 @@ static struct dentry *hypfs_create_file(struct dentry *parent, const char *name,
struct dentry *dentry;
struct inode *inode;

- inode_lock(d_inode(parent));
- dentry = lookup_noperm(&QSTR(name), parent);
- if (IS_ERR(dentry)) {
- dentry = ERR_PTR(-ENOMEM);
- goto fail;
- }
+ dentry = simple_start_creating(parent, name);
+ if (IS_ERR(dentry))
+ return ERR_PTR(-ENOMEM);
inode = hypfs_make_inode(parent->d_sb, mode);
if (!inode) {
- dput(dentry);
- dentry = ERR_PTR(-ENOMEM);
- goto fail;
+ simple_done_creating(dentry);
+ return ERR_PTR(-ENOMEM);
}
if (S_ISREG(mode)) {
inode->i_fop = &hypfs_file_ops;
@@ -346,10 +342,9 @@ static struct dentry *hypfs_create_file(struct dentry *parent, const char *name,
} else
BUG();
inode->i_private = data;
- d_instantiate(dentry, inode);
-fail:
- inode_unlock(d_inode(parent));
- return dentry;
+ d_make_persistent(dentry, inode);
+ simple_done_creating(dentry);
+ return dentry; // borrowed
}

struct dentry *hypfs_mkdir(struct dentry *parent, const char *name)
--
2.47.3