diff options
Diffstat (limited to 'include/linux/auto_fs.h')
| -rw-r--r-- | include/linux/auto_fs.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/linux/auto_fs.h b/include/linux/auto_fs.h index 9a0ddd6c4..a8b313539 100644 --- a/include/linux/auto_fs.h +++ b/include/linux/auto_fs.h @@ -20,7 +20,8 @@ #include <linux/ioctl.h> #include <asm/types.h> -#define AUTOFS_PROTO_VERSION 3 +#define AUTOFS_MIN_PROTO_VERSION 3 /* Min version we support */ +#define AUTOFS_PROTO_VERSION 4 /* Current version */ /* * Architectures where both 32- and 64-bit binaries can be executed @@ -46,6 +47,7 @@ typedef unsigned long autofs_wqt_t; enum autofs_packet_type { autofs_ptype_missing, /* Missing entry (mount request) */ autofs_ptype_expire, /* Expire entry (umount request) */ + autofs_ptype_expire_multi, /* Expire entry (umount request) */ }; struct autofs_packet_hdr { @@ -60,18 +62,35 @@ struct autofs_packet_missing { char name[NAME_MAX+1]; }; +/* v3 expire (via ioctl) */ struct autofs_packet_expire { struct autofs_packet_hdr hdr; int len; char name[NAME_MAX+1]; }; +/* v4 multi expire (via pipe) */ +struct autofs_packet_expire_multi { + struct autofs_packet_hdr hdr; + autofs_wqt_t wait_queue_token; + int len; + char name[NAME_MAX+1]; +}; + +union autofs_packet_union { + struct autofs_packet_hdr hdr; + struct autofs_packet_missing missing; + struct autofs_packet_expire expire; + struct autofs_packet_expire_multi expire_multi; +}; + #define AUTOFS_IOC_READY _IO(0x93,0x60) #define AUTOFS_IOC_FAIL _IO(0x93,0x61) #define AUTOFS_IOC_CATATONIC _IO(0x93,0x62) #define AUTOFS_IOC_PROTOVER _IOR(0x93,0x63,int) #define AUTOFS_IOC_SETTIMEOUT _IOWR(0x93,0x64,unsigned long) #define AUTOFS_IOC_EXPIRE _IOR(0x93,0x65,struct autofs_packet_expire) +#define AUTOFS_IOC_EXPIRE_MULTI _IOW(0x93,0x66,int) #ifdef __KERNEL__ |