Merge commit '305b07680f' into orion/master

1 files changed, 17 insertions, 10 deletions

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 915039fffe6e..4ddd788add67 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -82,13 +82,14 @@ struct ocfs2_xattr_set_ctxt {
 
 #define OCFS2_XATTR_ROOT_SIZE	(sizeof(struct ocfs2_xattr_def_value_root))
 #define OCFS2_XATTR_INLINE_SIZE	80
+#define OCFS2_XATTR_HEADER_GAP	4
 #define OCFS2_XATTR_FREE_IN_IBODY	(OCFS2_MIN_XATTR_INLINE_SIZE \
 					 - sizeof(struct ocfs2_xattr_header) \
-					 - sizeof(__u32))
+					 - OCFS2_XATTR_HEADER_GAP)
 #define OCFS2_XATTR_FREE_IN_BLOCK(ptr)	((ptr)->i_sb->s_blocksize \
 					 - sizeof(struct ocfs2_xattr_block) \
 					 - sizeof(struct ocfs2_xattr_header) \
-					 - sizeof(__u32))
+					 - OCFS2_XATTR_HEADER_GAP)
 
 static struct ocfs2_xattr_def_value_root def_xv = {
 	.xv.xr_list.l_count = cpu_to_le16(1),
@@ -274,10 +275,12 @@ static int ocfs2_read_xattr_bucket(struct ocfs2_xattr_bucket *bucket,
 			       bucket->bu_blocks, bucket->bu_bhs, 0,
 			       NULL);
 	if (!rc) {
+		spin_lock(&OCFS2_SB(bucket->bu_inode->i_sb)->osb_xattr_lock);
 		rc = ocfs2_validate_meta_ecc_bhs(bucket->bu_inode->i_sb,
 						 bucket->bu_bhs,
 						 bucket->bu_blocks,
 						 &bucket_xh(bucket)->xh_check);
+		spin_unlock(&OCFS2_SB(bucket->bu_inode->i_sb)->osb_xattr_lock);
 		if (rc)
 			mlog_errno(rc);
 	}
@@ -310,9 +313,11 @@ static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle,
 {
 	int i;
 
+	spin_lock(&OCFS2_SB(bucket->bu_inode->i_sb)->osb_xattr_lock);
 	ocfs2_compute_meta_ecc_bhs(bucket->bu_inode->i_sb,
 				   bucket->bu_bhs, bucket->bu_blocks,
 				   &bucket_xh(bucket)->xh_check);
+	spin_unlock(&OCFS2_SB(bucket->bu_inode->i_sb)->osb_xattr_lock);
 
 	for (i = 0; i < bucket->bu_blocks; i++)
 		ocfs2_journal_dirty(handle, bucket->bu_bhs[i]);
@@ -1507,7 +1512,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode,
 		last += 1;
 	}
 
-	free = min_offs - ((void *)last - xs->base) - sizeof(__u32);
+	free = min_offs - ((void *)last - xs->base) - OCFS2_XATTR_HEADER_GAP;
 	if (free < 0)
 		return -EIO;
 
@@ -2190,7 +2195,7 @@ static int ocfs2_xattr_can_be_in_inode(struct inode *inode,
 		last += 1;
 	}
 
-	free = min_offs - ((void *)last - xs->base) - sizeof(__u32);
+	free = min_offs - ((void *)last - xs->base) - OCFS2_XATTR_HEADER_GAP;
 	if (free < 0)
 		return 0;
 
@@ -2592,8 +2597,9 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
 
 	if (!ret) {
 		/* Update inode ctime. */
-		ret = ocfs2_journal_access(ctxt->handle, inode, xis->inode_bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_journal_access_di(ctxt->handle, inode,
+					      xis->inode_bh,
+					      OCFS2_JOURNAL_ACCESS_WRITE);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -5060,8 +5066,8 @@ try_again:
 	xh_free_start = le16_to_cpu(xh->xh_free_start);
 	header_size = sizeof(struct ocfs2_xattr_header) +
 			count * sizeof(struct ocfs2_xattr_entry);
-	max_free = OCFS2_XATTR_BUCKET_SIZE -
-		le16_to_cpu(xh->xh_name_value_len) - header_size;
+	max_free = OCFS2_XATTR_BUCKET_SIZE - header_size -
+		le16_to_cpu(xh->xh_name_value_len) - OCFS2_XATTR_HEADER_GAP;
 
 	mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size "
 			"of %u which exceed block size\n",
@@ -5094,7 +5100,7 @@ try_again:
 			need = 0;
 	}
 
-	free = xh_free_start - header_size;
+	free = xh_free_start - header_size - OCFS2_XATTR_HEADER_GAP;
 	/*
 	 * We need to make sure the new name/value pair
 	 * can exist in the same block.
@@ -5127,7 +5133,8 @@ try_again:
 			}
 
 			xh_free_start = le16_to_cpu(xh->xh_free_start);
-			free = xh_free_start - header_size;
+			free = xh_free_start - header_size
+				- OCFS2_XATTR_HEADER_GAP;
 			if (xh_free_start % blocksize < need)
 				free -= xh_free_start % blocksize;