ext3-ea-expand-lose-block.patch

来自「lustre 1.6.5 source code」· PATCH 代码 · 共 28 行

Date: Mon, 12 May 2008 11:24:40 +0800
From: Tiger Yang <[e-mail]>
Subject: [PATCH] ext3/4: fix uninitialized bs in ext3/4_xattr_set_handle()
To: [e-mail]
Cc: [e-mail], [e-mail]

This fix the uninitialized bs when we try to replace a xattr entry in ibody
with the new value which require more than free space.

Signed-off-by: Tiger Yang <[e-mail]>


diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
--- a/fs/ext3/xattr.c
+++ b/fs/ext3/xattr.c
@@ -1000,6 +1000,11 @@ ext3_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
 			i.value = NULL;
 			error = ext3_xattr_block_set(handle, inode, &i, &bs);
 		} else if (error == -ENOSPC) {
+			if (EXT3_I(inode)->i_file_acl && !bs.s.base) {
+				error = ext3_xattr_block_find(inode, &i, &bs);
+				if (error)
+					goto cleanup;
+			}
 			error = ext3_xattr_block_set(handle, inode, &i, &bs);
 			if (error)
 				goto cleanup;