vfs: new d_init method

Allow filesystem to initialize dentry at allocation time.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Miklos Szeredi
2016-06-28 11:47:32 +02:00
committed by Al Viro
parent 17648b871d
commit 285b102d3b
4 changed files with 17 additions and 0 deletions

View File

@@ -923,6 +923,7 @@ struct dentry_operations {
int (*d_compare)(const struct dentry *, const struct dentry *,
unsigned int, const char *, const struct qstr *);
int (*d_delete)(const struct dentry *);
int (*d_init)(struct dentry *);
void (*d_release)(struct dentry *);
void (*d_iput)(struct dentry *, struct inode *);
char *(*d_dname)(struct dentry *, char *, int);
@@ -995,6 +996,8 @@ struct dentry_operations {
always cache a reachable dentry. d_delete must be constant and
idempotent.
d_init: called when a dentry is allocated
d_release: called when a dentry is really deallocated
d_iput: called when a dentry loses its inode (just prior to its