ext4: fix quota accounting during migration
The tmp_inode should have same uid/gid as the original inode.
Otherwise new metadata blocks will be accounted to wrong quota-id,
which will result in a quota leak after the inode migration is
completed.
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index e007fec..acdde93 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -691,7 +691,7 @@
* group to find a free inode.
*/
struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, int mode,
- const struct qstr *qstr, __u32 goal)
+ const struct qstr *qstr, __u32 goal, uid_t *owner)
{
struct super_block *sb;
struct buffer_head *inode_bitmap_bh = NULL;
@@ -852,8 +852,11 @@
flex_group = ext4_flex_group(sbi, group);
atomic_dec(&sbi->s_flex_groups[flex_group].free_inodes);
}
-
- if (test_opt(sb, GRPID)) {
+ if (owner) {
+ inode->i_mode = mode;
+ inode->i_uid = owner[0];
+ inode->i_gid = owner[1];
+ } else if (test_opt(sb, GRPID)) {
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = dir->i_gid;