Author: kib
Date: Wed Oct 5 16:50:15 2011
New Revision: 226041
URL: http://svn.freebsd.org/changeset/base/226041
Log:
Export devfs inode number allocator for the kernel consumers.
Reviewed by: jhb
MFC after: 2 weeks
Modified:
head/sys/fs/devfs/devfs_devs.c
head/sys/sys/conf.h
Modified: head/sys/fs/devfs/devfs_devs.c
==============================================================================
--- head/sys/fs/devfs/devfs_devs.c Wed Oct 5 16:27:11 2011
(r226040)
+++ head/sys/fs/devfs/devfs_devs.c Wed Oct 5 16:50:15 2011
(r226041)
@@ -171,8 +171,7 @@ devfs_free(struct cdev *cdev)
cdp = cdev2priv(cdev);
if (cdev->si_cred != NULL)
crfree(cdev->si_cred);
- if (cdp->cdp_inode > 0)
- free_unr(devfs_inos, cdp->cdp_inode);
+ devfs_free_cdp_inode(cdp->cdp_inode);
if (cdp->cdp_maxdirent > 0)
free(cdp->cdp_dirents, M_DEVFS2);
free(cdp, M_CDEVP);
@@ -394,7 +393,7 @@ devfs_delete(struct devfs_mount *dm, str
mac_devfs_destroy(de);
#endif
if (de->de_inode > DEVFS_ROOTINO) {
- free_unr(devfs_inos, de->de_inode);
+ devfs_free_cdp_inode(de->de_inode);
de->de_inode = 0;
}
if (DEVFS_DE_DROP(de))
@@ -685,6 +684,21 @@ devfs_destroy(struct cdev *dev)
devfs_generation++;
}
+ino_t
+devfs_alloc_cdp_inode(void)
+{
+
+ return (alloc_unr(devfs_inos));
+}
+
+void
+devfs_free_cdp_inode(ino_t ino)
+{
+
+ if (ino > 0)
+ free_unr(devfs_inos, ino);
+}
+
static void
devfs_devs_init(void *junk __unused)
{
Modified: head/sys/sys/conf.h
==============================================================================
--- head/sys/sys/conf.h Wed Oct 5 16:27:11 2011 (r226040)
+++ head/sys/sys/conf.h Wed Oct 5 16:50:15 2011 (r226041)
@@ -301,6 +301,9 @@ int devfs_set_cdevpriv(void *priv, cdevp
void devfs_clear_cdevpriv(void);
void devfs_fpdrop(struct file *fp); /* XXX This is not public KPI */
+ino_t devfs_alloc_cdp_inode(void);
+void devfs_free_cdp_inode(ino_t ino);
+
#define UID_ROOT 0
#define UID_BIN 3
#define UID_UUCP 66
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