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Commit 008aafaf authored by Tiger Yang's avatar Tiger Yang Committed by Mark Fasheh
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ocfs2: alloc xattr bucket in ocfs2_xattr_set_handle 



In extreme situation, may need xattr bucket for setting
security entry and acl entries during mknod. This only
happens when block size is too small.

Signed-off-by: default avatarTiger Yang <tiger.yang@oracle.com>
Signed-off-by: default avatarMark Fasheh <mfasheh@suse.com>
parent 0e445b6f

fs/ocfs2/xattr.c

+15 −3
Original line number Diff line number Diff line
@@ -2611,9 +2611,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode, 
/*

 * This function only called duing creating inode

 * for init security/acl xattrs of the new inode.

 * The xattrs could be put into ibody or extent block,

 * xattr bucket would not be use in this case.

 * transanction credits also be reserved in here.

 * All transanction credits have been reserved in mknod.

 */

int ocfs2_xattr_set_handle(handle_t *handle,

			   struct inode *inode,
@@ -2653,6 +2651,19 @@ int ocfs2_xattr_set_handle(handle_t *handle, 
	if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))

		return -EOPNOTSUPP;



	/*

	 * In extreme situation, may need xattr bucket when

	 * block size is too small. And we have already reserved

	 * the credits for bucket in mknod.

	 */

	if (inode->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE) {

		xbs.bucket = ocfs2_xattr_bucket_new(inode);

		if (!xbs.bucket) {

			mlog_errno(-ENOMEM);

			return -ENOMEM;

		}

	}



	xis.inode_bh = xbs.inode_bh = di_bh;

	di = (struct ocfs2_dinode *)di_bh->b_data;
@@ -2672,6 +2683,7 @@ int ocfs2_xattr_set_handle(handle_t *handle, 
cleanup:

	up_write(&OCFS2_I(inode)->ip_xattr_sem);

	brelse(xbs.xattr_bh);

	ocfs2_xattr_bucket_free(xbs.bucket);



	return ret;

}