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authorDuane Griffin <duaneg@dghda.com>2009-01-07 21:07:20 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-08 11:31:00 -0500
commit0e090f1e05a563cc9acdda442767176bf1616001 (patch)
tree61ccecf39f24a689a751e070f629775bc8aedcdc /fs
parent18a82eb9f980b5e02cea651e4ecda26265d98933 (diff)
ext2: don't inherit inappropriate inode flags from parent
At present BTREE/INDEX 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. List inheritable flags explicitly to prevent future flags from accidentally being inherited. This fixes the TOPDIR flag inheritance bug reported at http://bugzilla.kernel.org/show_bug.cgi?id=9866. Signed-off-by: Duane Griffin <duaneg@dghda.com> Acked-by: Andreas Dilger <adilger@sun.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext2/ialloc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index c454d5db28a5..b5598e1393d9 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -565,7 +565,7 @@ got:
565 inode->i_blocks = 0; 565 inode->i_blocks = 0;
566 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; 566 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
567 memset(ei->i_data, 0, sizeof(ei->i_data)); 567 memset(ei->i_data, 0, sizeof(ei->i_data));
568 ei->i_flags = EXT2_I(dir)->i_flags & ~EXT2_BTREE_FL; 568 ei->i_flags = EXT2_I(dir)->i_flags & EXT2_FL_INHERITED;
569 if (S_ISLNK(mode)) 569 if (S_ISLNK(mode))
570 ei->i_flags &= ~(EXT2_IMMUTABLE_FL|EXT2_APPEND_FL); 570 ei->i_flags &= ~(EXT2_IMMUTABLE_FL|EXT2_APPEND_FL);
571 /* dirsync is only applied to directories */ 571 /* dirsync is only applied to directories */