system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-11-05 18:22:52 +00:00
Code Issues Projects Releases Packages Wiki Activity

cdevpriv(9): add iterator

Browse source 
Reviewed by:	christos
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D44469
This commit is contained in:
Konstantin Belousov 2024-03-22 04:58:00 +02:00
parent 15bfd7cf27
commit d3efbe0132
2 changed files with 22 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
sys/fs/devfs/devfs_vnops.c
View file

@ -177,6 +177,26 @@ devfs_set_cdevpriv(void *priv, d_priv_dtor_t *priv_dtr)
return (error);
}
int
devfs_foreach_cdevpriv(struct cdev *dev, int (*cb)(void *data, void *arg),
void *arg)
{
struct cdev_priv *cdp;
struct cdev_privdata *p;
int error;
cdp = cdev2priv(dev);
error = 0;
mtx_lock(&cdevpriv_mtx);
LIST_FOREACH(p, &cdp->cdp_fdpriv, cdpd_list) {
error = cb(p->cdpd_data, arg);
if (error != 0)
break;
}
mtx_unlock(&cdevpriv_mtx);
return (error);
}
void
devfs_destroy_cdevpriv(struct cdev_privdata *p)
{

2
sys/sys/conf.h
View file

@ -319,6 +319,8 @@ typedef void d_priv_dtor_t(void *data);
int devfs_get_cdevpriv(void **datap);
int devfs_set_cdevpriv(void *priv, d_priv_dtor_t *dtr);
void devfs_clear_cdevpriv(void);
int devfs_foreach_cdevpriv(struct cdev *dev,
int (*cb)(void *data, void *arg), void *arg);
ino_t devfs_alloc_cdp_inode(void);
void devfs_free_cdp_inode(ino_t ino);