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authorJoel Becker <joel.becker@oracle.com>2008-12-02 20:44:05 -0500
committerMark Fasheh <mfasheh@suse.com>2009-01-05 11:40:31 -0500
commit684ef278377725d505aa23259ee673dab9b11851 (patch)
tree7034049bc755b90eb555f515ba7661e77a846e6d /fs/ocfs2/quota_global.c
parent70ad1ba7b48364d758a112df0823edc5ca6632aa (diff)
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/quota_global.c')
-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 a10faebe88a1..7dbcfd7f65e6 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -87,13 +87,25 @@ struct qtree_fmt_operations ocfs2_global_ops = {
87 .is_id = ocfs2_global_is_id, 87 .is_id = ocfs2_global_is_id,
88}; 88};
89 89
90static int ocfs2_validate_quota_block(struct super_block *sb,
91 struct buffer_head *bh)
92{
93 struct ocfs2_disk_dqtrailer *dqt = ocfs2_dq_trailer(sb, bh->b_data);
94
95 mlog(0, "Validating quota block %llu\n",
96 (unsigned long long)bh->b_blocknr);
97
98 return 0;
99}
100
90int ocfs2_read_quota_block(struct inode *inode, u64 v_block, 101int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
91 struct buffer_head **bh) 102 struct buffer_head **bh)
92{ 103{
93 int rc = 0; 104 int rc = 0;
94 struct buffer_head *tmp = *bh; 105 struct buffer_head *tmp = *bh;
95 106
96 rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0, NULL); 107 rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0,
108 ocfs2_validate_quota_block);
97 if (rc) 109 if (rc)
98 mlog_errno(rc); 110 mlog_errno(rc);
99 111