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vfs: spread struct mount - do_umount/propagate_mount_busy

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2011-11-24 21:35:16 -05:00
parent 44d964d609
commit 1ab5973862
3 changed files with 23 additions and 23 deletions
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16
fs/pnode.c
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@@ -272,9 +272,9 @@ out:
/*
* return true if the refcount is greater than count
*/
static inline int do_refcount_check(struct vfsmount *mnt, int count)
static inline int do_refcount_check(struct mount *mnt, int count)
{
int mycount = mnt_get_count(mnt) - mnt->mnt_ghosts;
int mycount = mnt_get_count(&mnt->mnt) - mnt->mnt.mnt_ghosts;
return (mycount > count);
}
@@ -288,14 +288,14 @@ static inline int do_refcount_check(struct vfsmount *mnt, int count)
*
* vfsmount lock must be held for write
*/
int propagate_mount_busy(struct vfsmount *mnt, int refcnt)
int propagate_mount_busy(struct mount *mnt, int refcnt)
{
struct vfsmount *m;
struct mount *child;
struct vfsmount *parent = mnt->mnt_parent;
struct vfsmount *parent = mnt->mnt.mnt_parent;
int ret = 0;
if (mnt == parent)
if (&mnt->mnt == parent)
return do_refcount_check(mnt, refcnt);
/*
@@ -303,14 +303,14 @@ int propagate_mount_busy(struct vfsmount *mnt, int refcnt)
* If not, we don't have to go checking for all other
* mounts
*/
if (!list_empty(&mnt->mnt_mounts) || do_refcount_check(mnt, refcnt))
if (!list_empty(&mnt->mnt.mnt_mounts) || do_refcount_check(mnt, refcnt))
return 1;
for (m = propagation_next(parent, parent); m;
m = propagation_next(m, parent)) {
child = __lookup_mnt(m, mnt->mnt_mountpoint, 0);
child = __lookup_mnt(m, mnt->mnt.mnt_mountpoint, 0);
if (child && list_empty(&child->mnt.mnt_mounts) &&
(ret = do_refcount_check(&child->mnt, 1)))
(ret = do_refcount_check(child, 1)))
break;
}
return ret;