From: Andreas Gruenbacher Date: Fri, 11 Jun 2010 16:12:45 +0530 Subject: [PATCH 03/16] vfs: Add IS_RICHACL() test for richacl support Patch-mainline: not yet Introduce a new MS_RICHACL super-block flag and a new IS_RICHACL() test which file systems like nfs can use. IS_ACL() is true if IS_POSIXACL() or IS_RICHACL() is true. Signed-off-by: Andreas Gruenbacher Signed-off-by: Aneesh Kumar K.V --- include/linux/fs.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -217,6 +217,7 @@ struct inodes_stat_t { #define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */ #define MS_I_VERSION (1<<23) /* Update inode I_version field */ #define MS_STRICTATIME (1<<24) /* Always perform atime updates */ +#define MS_RICHACL (1<<25) /* Supports richacls */ #define MS_BORN (1<<29) #define MS_ACTIVE (1<<30) #define MS_NOUSER (1<<31) @@ -273,6 +274,7 @@ struct inodes_stat_t { #define IS_APPEND(inode) ((inode)->i_flags & S_APPEND) #define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE) #define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL) +#define IS_RICHACL(inode) __IS_FLG(inode, MS_RICHACL) #define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD) #define IS_NOCMTIME(inode) ((inode)->i_flags & S_NOCMTIME) @@ -283,7 +285,7 @@ struct inodes_stat_t { * IS_ACL() tells the VFS to not apply the umask * and use iop->check_acl for acl permission checks when defined. */ -#define IS_ACL(inode) __IS_FLG(inode, MS_POSIXACL) +#define IS_ACL(inode) __IS_FLG(inode, MS_POSIXACL | MS_RICHACL) /* the read-only stuff doesn't really belong here, but any other place is probably as bad and I don't want to create yet another include file. */