Commit 684ef278 authored by Joel Becker's avatar Joel Becker Committed by Mark Fasheh
Browse files

ocfs2: Add a validation hook for quota block reads. 



Add a currently-returns-success hook for quota block reads.  We'll be
adding checks to this.

Signed-off-by: default avatarJoel Becker <joel.becker@oracle.com>
Signed-off-by: default avatarMark Fasheh <mfasheh@suse.com>
parent 70ad1ba7

fs/ocfs2/quota_global.c

+13 −1
Original line number Diff line number Diff line
@@ -87,13 +87,25 @@ struct qtree_fmt_operations ocfs2_global_ops = { 
	.is_id = ocfs2_global_is_id,

};



static int ocfs2_validate_quota_block(struct super_block *sb,

				      struct buffer_head *bh)

{

	struct ocfs2_disk_dqtrailer *dqt = ocfs2_dq_trailer(sb, bh->b_data);



	mlog(0, "Validating quota block %llu\n",

	     (unsigned long long)bh->b_blocknr);



	return 0;

}



int ocfs2_read_quota_block(struct inode *inode, u64 v_block,

			   struct buffer_head **bh)

{

	int rc = 0;

	struct buffer_head *tmp = *bh;



	rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0, NULL);

	rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0,

				    ocfs2_validate_quota_block);

	if (rc)

		mlog_errno(rc);