lkml.org 
[lkml]   [2008]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/3] ext2: don't inherit inappropriate inode flags from parent
Date
At present BTREE is the only flag that new ext2 inodes do NOT inherit from
their parent. In addition prevent the flags DIRTY, ECOMPR, INDEX, IMAGIC
and TOPDIR from being inherited.

Signed-off-by: Duane Griffin <duaneg@dghda.com>

diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index f597413..a51d4ca 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -565,7 +565,7 @@ got:
inode->i_blocks = 0;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
memset(ei->i_data, 0, sizeof(ei->i_data));
- ei->i_flags = EXT2_I(dir)->i_flags & ~EXT2_BTREE_FL;
+ ei->i_flags = EXT2_I(dir)->i_flags & EXT2_FL_INHERITED;
if (S_ISLNK(mode))
ei->i_flags &= ~(EXT2_IMMUTABLE_FL|EXT2_APPEND_FL);
/* dirsync is only applied to directories */
diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index 84cec2a..6c87c8e 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -194,6 +194,10 @@ struct ext2_group_desc
#define EXT2_FL_USER_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
#define EXT2_FL_USER_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */

+/* Flags that should be inherited by new inodes from their parent. */
+#define EXT2_FL_INHERITED ~(EXT2_DIRTY_FL | EXT2_ECOMPR_FL | EXT2_BTREE_FL |\
+ EXT2_INDEX_FL | EXT2_IMAGIC_FL | EXT2_TOPDIR_FL)
+
/*
* ioctl commands
*/
--
1.5.3.7


\
 
 \ /
  Last update: 2008-06-04 14:57    [W:0.027 / U:1.856 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site