leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

vfs: spread struct mount - propagate_mnt()

Browse Source 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2011-11-24 23:59:29 -05:00
parent c937135d98
commit a8d56d8e4f
3 changed files with 13 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
fs/namespace.c
View File

@@ -1595,23 +1595,23 @@ static int attach_recursive_mnt(struct mount *source_mnt,
struct path *path, struct path *parent_path)
{
LIST_HEAD(tree_list);
struct vfsmount *dest_mnt = path->mnt;
struct mount *dest_mnt = real_mount(path->mnt);
struct dentry *dest_dentry = path->dentry;
struct mount *child, *p;
int err;
if (IS_MNT_SHARED(dest_mnt)) {
if (IS_MNT_SHARED(&dest_mnt->mnt)) {
err = invent_group_ids(source_mnt, true);
if (err)
goto out;
}
err = propagate_mnt(dest_mnt, dest_dentry, &source_mnt->mnt, &tree_list);
err = propagate_mnt(dest_mnt, dest_dentry, source_mnt, &tree_list);
if (err)
goto out_cleanup_ids;
br_write_lock(vfsmount_lock);
if (IS_MNT_SHARED(dest_mnt)) {
if (IS_MNT_SHARED(&dest_mnt->mnt)) {
for (p = source_mnt; p; p = next_mnt(p, &source_mnt->mnt))
set_mnt_shared(p);
}
@@ -1620,7 +1620,7 @@ static int attach_recursive_mnt(struct mount *source_mnt,
attach_mnt(source_mnt, path);
touch_mnt_namespace(parent_path->mnt->mnt_ns);
} else {
mnt_set_mountpoint(dest_mnt, dest_dentry, source_mnt);
mnt_set_mountpoint(&dest_mnt->mnt, dest_dentry, source_mnt);
commit_tree(source_mnt);
}
@@ -1633,7 +1633,7 @@ static int attach_recursive_mnt(struct mount *source_mnt,
return 0;
out_cleanup_ids:
if (IS_MNT_SHARED(dest_mnt))
if (IS_MNT_SHARED(&dest_mnt->mnt))
cleanup_group_ids(source_mnt, NULL);
out:
return err;