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[83/87] ext4: Ignore i_file_acl_high unless EXT4_FEATURE_INCOMPAT_64BIT is present

Message ID 20090609094111.858261931@blue.kroah.org
State Not Applicable, archived
Headers show

Commit Message

gregkh@suse.de June 9, 2009, 9:40 a.m. UTC
2.6.29-stable review patch.  If anyone has any objections, please let us know.


From: "Theodore Ts'o" <tytso@mit.edu>

(cherry picked from commit a9e817425dc0baede8ebe5fbc9984a640257432b)

Don't try to look at i_file_acl_high unless the INCOMPAT_64BIT feature
bit is set.  The field is normally zero, but older versions of e2fsck
didn't automatically check to make sure of this, so in the spirit of
"be liberal in what you accept", don't look at i_file_acl_high unless
we are using a 64-bit filesystem.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

 fs/ext4/inode.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

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diff mbox


--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4300,11 +4300,9 @@  struct inode *ext4_iget(struct super_blo
 	ei->i_flags = le32_to_cpu(raw_inode->i_flags);
 	inode->i_blocks = ext4_inode_blocks(raw_inode, ei);
 	ei->i_file_acl = le32_to_cpu(raw_inode->i_file_acl_lo);
-	if (EXT4_SB(inode->i_sb)->s_es->s_creator_os !=
-	    cpu_to_le32(EXT4_OS_HURD)) {
 		ei->i_file_acl |=
 			((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32;
-	}
 	inode->i_size = ext4_isize(raw_inode);
 	ei->i_disksize = inode->i_size;
 	inode->i_generation = le32_to_cpu(raw_inode->i_generation);