int
afs_unmount(struct mount *mp, int flags, THREAD_OR_PROC)
{
/*
* Release any remaining vnodes on this mount point.
* The `1' means that we hold one extra reference on
* the root vnode (this is just a guess right now).
* This has to be done outside the global lock.
*/
#if defined(AFS_FBSD80_ENV)
/* do nothing */
#elif defined(AFS_FBSD53_ENV)
vflush(mp, 1, (flags & MNT_FORCE) ? FORCECLOSE : 0, p);
#else
vflush(mp, 1, (flags & MNT_FORCE) ? FORCECLOSE : 0);
#endif
AFS_GLOCK();
AFS_STATCNT(afs_unmount);
afs_globalVFS = 0;
afs_shutdown();
AFS_GUNLOCK();
return 0;
}
/* afs_put_super
* Called from unmount to release super_block. */
static void
afs_put_super(struct super_block *sbp)
{
AFS_GLOCK();
AFS_STATCNT(afs_unmount);
if (!suser()) {
AFS_GUNLOCK();
return;
}
afs_globalVFS = 0;
afs_globalVp = 0;
afs_shutdown();
#if defined(AFS_LINUX24_ENV)
mntput(afs_cacheMnt);
#endif
osi_linux_verify_alloced_memory();
AFS_GUNLOCK();
sbp->s_dev = 0;
MOD_DEC_USE_COUNT;
}
/* afs_put_super
* Called from unmount to release super_block. */
static void
afs_put_super(struct super_block *sbp)
{
AFS_GLOCK();
AFS_STATCNT(afs_unmount);
if (!suser()) {
AFS_GUNLOCK();
return;
}
afs_globalVFS = 0;
afs_globalVp = 0;
osi_linux_free_inode_pages(); /* invalidate and release remaining AFS inodes. */
afs_shutdown();
#if defined(AFS_LINUX24_ENV)
mntput(afs_cacheMnt);
#endif
osi_linux_verify_alloced_memory();
AFS_GUNLOCK();
sbp->s_dev = 0;
MOD_DEC_USE_COUNT;
}
int
afs_unmount(struct vfs *afsp)
{
AFS_STATCNT(afs_unmount);
afs_globalVFS = 0;
afs_shutdown();
return 0;
}
afs_unmount(struct mount *mp, int flags, struct thread *p)
#endif
{
int error = 0;
AFS_GLOCK();
if (afs_globalVp &&
((flags & MNT_FORCE) || !VREFCOUNT_GT(afs_globalVp, 1))) {
/* Put back afs_root's ref */
struct vcache *gvp = afs_globalVp;
afs_globalVp = NULL;
afs_PutVCache(gvp);
}
if (afs_globalVp)
error = EBUSY;
AFS_GUNLOCK();
/*
* Release any remaining vnodes on this mount point.
* The `1' means that we hold one extra reference on
* the root vnode (this is just a guess right now).
* This has to be done outside the global lock.
*/
if (!error) {
#if defined(AFS_FBSD80_ENV)
error = vflush(mp, 1, (flags & MNT_FORCE) ? FORCECLOSE : 0, curthread);
#elif defined(AFS_FBSD53_ENV)
error = vflush(mp, 1, (flags & MNT_FORCE) ? FORCECLOSE : 0, p);
#else
error = vflush(mp, 1, (flags & MNT_FORCE) ? FORCECLOSE : 0);
#endif
}
if (error)
goto out;
AFS_GLOCK();
AFS_STATCNT(afs_unmount);
afs_globalVFS = 0;
afs_shutdown();
AFS_GUNLOCK();
out:
return error;
}
/* afs_put_super
* Called from unmount to release super_block. */
static void
afs_put_super(struct super_block *sbp)
{
AFS_GLOCK();
AFS_STATCNT(afs_unmount);
afs_globalVFS = 0;
afs_globalVp = 0;
afs_shutdown();
mntput(afs_cacheMnt);
osi_linux_verify_alloced_memory();
#if defined(HAVE_LINUX_BDI_INIT)
bdi_destroy(afs_backing_dev_info);
#endif
kfree(afs_backing_dev_info);
AFS_GUNLOCK();
sbp->s_dev = 0;
module_put(THIS_MODULE);
}
/* afs_put_super
* Called from unmount to release super_block. */
static void
afs_put_super(struct super_block *sbp)
{
AFS_GLOCK();
AFS_STATCNT(afs_unmount);
afs_globalVFS = 0;
afs_globalVp = 0;
osi_linux_free_inode_pages(); /* invalidate and release remaining AFS inodes. */
afs_shutdown();
mntput(afs_cacheMnt);
osi_linux_verify_alloced_memory();
#if defined(HAVE_LINUX_BDI_INIT)
bdi_destroy(afs_backing_dev_info);
#endif
osi_Free(afs_backing_dev_info, sizeof(struct backing_dev_info));
AFS_GUNLOCK();
sbp->s_dev = 0;
module_put(THIS_MODULE);
}
