The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=d3efbe0132b24e8660df836905cda7662f85a154
commit d3efbe0132b24e8660df836905cda7662f85a154 Author: Konstantin Belousov <[email protected]> AuthorDate: 2024-03-22 02:58:00 +0000 Commit: Konstantin Belousov <[email protected]> CommitDate: 2024-03-23 06:59:00 +0000 cdevpriv(9): add iterator Reviewed by: christos Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D44469 --- sys/fs/devfs/devfs_vnops.c | 20 ++++++++++++++++++++ sys/sys/conf.h | 2 ++ 2 files changed, 22 insertions(+) diff --git a/sys/fs/devfs/devfs_vnops.c b/sys/fs/devfs/devfs_vnops.c index 3b8a624fe620..a35f6dbf9520 100644 --- a/sys/fs/devfs/devfs_vnops.c +++ b/sys/fs/devfs/devfs_vnops.c @@ -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) { diff --git a/sys/sys/conf.h b/sys/sys/conf.h index d7a33ed10afa..f34fd43cfe24 100644 --- a/sys/sys/conf.h +++ b/sys/sys/conf.h @@ -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);
