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Commit 4d0e214e authored by Joel Becker's avatar Joel Becker Committed by Mark Fasheh
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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: default avatarJoel Becker <joel.becker@oracle.com>
Signed-off-by: default avatarMark Fasheh <mfasheh@suse.com>
parent 13723d00

fs/ocfs2/xattr.c

+13 −0
Original line number Diff line number Diff line
@@ -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]);

}