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ext4: reserve xattr index for Rich ACL support

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Jan Kara <jack@suse.cz>

SUSE is carrying out of tree patches for Rich ACL support for ext4 as
they didn't get upstream due to opposition of some VFS maintainers.
Reserve xattr index for Rich ACLs so that it cannot be taken by
anything else which would force users to backup and reset their Rich
ACLs on files.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2013-04-18 14:53:15 -04:00
parent ae4647fb76
commit fd03d8daf4
1 changed files with 1 additions and 0 deletions
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fs/ext4/xattr.h
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@ -22,6 +22,7 @@
#define EXT4_XATTR_INDEX_LUSTRE 5 #define EXT4_XATTR_INDEX_LUSTRE 5
#define EXT4_XATTR_INDEX_SECURITY 6 #define EXT4_XATTR_INDEX_SECURITY 6
#define EXT4_XATTR_INDEX_SYSTEM 7 #define EXT4_XATTR_INDEX_SYSTEM 7
#define EXT4_XATTR_INDEX_RICHACL 8
struct ext4_xattr_header { struct ext4_xattr_header {
__le32 h_magic; /* magic number for identification */ __le32 h_magic; /* magic number for identification */