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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: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Joel Becker 2008-12-02 17:44:05 -08:00 committed by Mark Fasheh
parent 70ad1ba7b4
commit 684ef27837
1 changed files with 13 additions and 1 deletions
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14
fs/ocfs2/quota_global.c
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@ -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);