ocfs2: block read meta ecc.
Add block check calls to the read_block validate functions. This is the
almost all of the read-side checking of metaecc. xattr buckets are not checked
yet. Writes are also unchecked, and so a read-write mount will quickly fail.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 7dbcfd7..a0b8b14 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -16,6 +16,7 @@
#include "ocfs2_fs.h"
#include "ocfs2.h"
#include "alloc.h"
+#include "blockcheck.h"
#include "inode.h"
#include "journal.h"
#include "file.h"
@@ -90,12 +91,20 @@
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);
+ struct ocfs2_disk_dqtrailer *dqt =
+ ocfs2_block_dqtrailer(sb->s_blocksize, bh->b_data);
mlog(0, "Validating quota block %llu\n",
(unsigned long long)bh->b_blocknr);
- return 0;
+ BUG_ON(!buffer_uptodate(bh));
+
+ /*
+ * If the ecc fails, we return the error but otherwise
+ * leave the filesystem running. We know any error is
+ * local to this block.
+ */
+ return ocfs2_validate_meta_ecc(sb, bh->b_data, &dqt->dq_check);
}
int ocfs2_read_quota_block(struct inode *inode, u64 v_block,