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authorJoel Becker <joel.becker@oracle.com>2008-12-02 17:44:05 -0800
committerMark Fasheh <mfasheh@suse.com>2009-01-05 08:40:31 -0800
commit684ef278377725d505aa23259ee673dab9b11851 (patch)
tree7034049bc755b90eb555f515ba7661e77a846e6d /fs/ocfs2
parent70ad1ba7b48364d758a112df0823edc5ca6632aa (diff)
downloadop-kernel-dev-684ef278377725d505aa23259ee673dab9b11851.zip
op-kernel-dev-684ef278377725d505aa23259ee673dab9b11851.tar.gz
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>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/quota_global.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index a10faebe..7dbcfd7 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -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);
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