Commit 1552ddc7 authored by Al Viro's avatar Al Viro
Browse files

new helper: simple_done_creating() 



should be paired with simple_start_creating() - unlocks parent and
drops dentry reference.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 4051a911

fs/libfs.c

+8 −0
Original line number Diff line number Diff line
@@ -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);

include/linux/fs.h

+1 −0
Original line number Diff line number Diff line
@@ -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);