[PATCH 3/3] ext4: don't inherit inappropriate inode flags from parent - Kernel
This is a discussion on [PATCH 3/3] ext4: don't inherit inappropriate inode flags from parent - Kernel ; At present INDEX and EXTENTS are the only flagis that new ext4 inodes do NOT inherit from their parent. In addition prevent the flags DIRTY, ECOMPR, IMAGIC, TOPDIR and HUGE_FILE from being inherited. Signed-off-by: Duane Griffin diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h ...
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06-04-2008, 01:00 PM
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 [PATCH 3/3] ext4: don't inherit inappropriate inode flags from parent NOT inherit from their parent. In addition prevent the flags DIRTY, ECOMPR, IMAGIC, TOPDIR and HUGE_FILE from being inherited. Signed-off-by: Duane Griffin diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 8158083..de07dc7 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -235,6 +235,11 @@ struct ext4_group_desc #define EXT4_FL_USER_VISIBLE 0x000BDFFF /* User visible flags */ #define EXT4_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */ +/* Flags that should be inherited by new inodes from their parent. */ +#define EXT4_FL_INHERITED ~(EXT4_DIRTY_FL | EXT4_ECOMPR_FL | EXT4_INDEX_FL |\ + EXT4_IMAGIC_FL | EXT4_TOPDIR_FL |\ + EXT4_HUGE_FILE_FL | EXT4_EXTENTS_FL) + /* * Inode dynamic state flags */ diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index c6efbab..ff25d57 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -702,7 +702,7 @@ got: * newly created directory and file only if -o extent mount option is * specified */ - ei->i_flags = EXT4_I(dir)->i_flags & ~(EXT4_INDEX_FL|EXT4_EXTENTS_FL); + ei->i_flags = EXT4_I(dir)->i_flags & EXT4_FL_INHERITED; if (S_ISLNK(mode)) ei->i_flags &= ~(EXT4_IMMUTABLE_FL|EXT4_APPEND_FL); /* dirsync only applies to directories */ -- 1.5.3.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/  |
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