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authorJoel Becker <joel.becker@oracle.com>2008-12-05 11:19:37 -0800
committerMark Fasheh <mfasheh@suse.com>2009-01-05 08:40:32 -0800
commit4d0e214ee83185fcaa2cb97cd026d32bdc5c994a (patch)
tree7e5c2a6a2f2a384a0ebc0804f126a8106ad0b43f /fs
parent13723d00e374c2a6d6ccb5af6de965e89c3e1b01 (diff)
ocfs2: Add ecc and checksums to ocfs2 xattr buckets.
The xattr bucket can span multiple blocks on disk. We have wrappers for this structure in the code. We use the new multi-block ecc calls to calculate and validate the bucket. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ocfs2/xattr.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index bc822d6ba542..7c2f4c9d1bd9 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -273,6 +273,15 @@ static int ocfs2_read_xattr_bucket(struct ocfs2_xattr_bucket *bucket,
rc = ocfs2_read_blocks(bucket->bu_inode, xb_blkno,
bucket->bu_blocks, bucket->bu_bhs, 0,
NULL);
+ if (!rc) {
+ rc = ocfs2_validate_meta_ecc_bhs(bucket->bu_inode->i_sb,
+ bucket->bu_bhs,
+ bucket->bu_blocks,
+ &bucket_xh(bucket)->xh_check);
+ if (rc)
+ mlog_errno(rc);
+ }
+
if (rc)
ocfs2_xattr_bucket_relse(bucket);
return rc;
@@ -301,6 +310,10 @@ static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle,
{
int i;
+ ocfs2_compute_meta_ecc_bhs(bucket->bu_inode->i_sb,
+ bucket->bu_bhs, bucket->bu_blocks,
+ &bucket_xh(bucket)->xh_check);
+
for (i = 0; i < bucket->bu_blocks; i++)
ocfs2_journal_dirty(handle, bucket->bu_bhs[i]);
}