From: Al Viro Date: Fri, 19 Sep 2025 21:46:01 +0000 (-0400) Subject: new helper: simple_done_creating() X-Git-Tag: v6.19-rc1~111^2~50 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1552ddc7fade1ae55af298580ef6c913b8db74bc;p=thirdparty%2Fkernel%2Flinux.git new helper: simple_done_creating() should be paired with simple_start_creating() - unlocks parent and drops dentry reference. Signed-off-by: Al Viro --- diff --git a/fs/libfs.c b/fs/libfs.c index d029aff41f666..a033f35493d0c 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -2326,3 +2326,11 @@ struct dentry *simple_start_creating(struct dentry *parent, const char *name) return dentry; } EXPORT_SYMBOL(simple_start_creating); + +/* parent must have been held exclusive since simple_start_creating() */ +void simple_done_creating(struct dentry *child) +{ + inode_unlock(child->d_parent->d_inode); + dput(child); +} +EXPORT_SYMBOL(simple_done_creating); diff --git a/include/linux/fs.h b/include/linux/fs.h index 28bd4e8d38925..f5037c556f617 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3662,6 +3662,7 @@ extern int simple_fill_super(struct super_block *, unsigned long, extern int simple_pin_fs(struct file_system_type *, struct vfsmount **mount, int *count); extern void simple_release_fs(struct vfsmount **mount, int *count); struct dentry *simple_start_creating(struct dentry *, const char *); +void simple_done_creating(struct dentry *); extern ssize_t simple_read_from_buffer(void __user *to, size_t count, loff_t *ppos, const void *from, size_t available);