[PATCH] autofs4: header file update

The current header file definitions for autofs version 5 have caused a couple
of problems for application builds downstream.

This fixes the problem by separating the definitions.

Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
index 1e4a539f4417c3c94a38c844c6a419dea606d709..0d041a9cb348efe59dd71e1d8079e10ae86fa11b 100644 (file)
--- a/fs/autofs4/waitq.c
+++ b/fs/autofs4/waitq.c
@@ -84,7 +84,11 @@ static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
                                 struct autofs_wait_queue *wq,
                                 int type)
 {
-       union autofs_packet_union pkt;
+       union {
+               struct autofs_packet_hdr hdr;
+               union autofs_packet_union v4_pkt;
+               union autofs_v5_packet_union v5_pkt;
+       } pkt;
        size_t pktsz;
 
        DPRINTK("wait id = 0x%08lx, name = %.*s, type=%d",
@@ -98,7 +102,7 @@ static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
        /* Kernel protocol v4 missing and expire packets */
        case autofs_ptype_missing:
        {
-               struct autofs_packet_missing *mp = &pkt.missing;
+               struct autofs_packet_missing *mp = &pkt.v4_pkt.missing;
 
                pktsz = sizeof(*mp);
 
@@ -110,7 +114,7 @@ static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
        }
        case autofs_ptype_expire_multi:
        {
-               struct autofs_packet_expire_multi *ep = &pkt.expire_multi;
+               struct autofs_packet_expire_multi *ep = &pkt.v4_pkt.expire_multi;
 
                pktsz = sizeof(*ep);
 
@@ -129,7 +133,7 @@ static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
        case autofs_ptype_missing_direct:
        case autofs_ptype_expire_direct:
        {
-               struct autofs_v5_packet *packet = &pkt.v5_packet;
+               struct autofs_v5_packet *packet = &pkt.v5_pkt.v5_packet;
 
                pktsz = sizeof(*packet);
 

diff --git a/include/linux/auto_fs4.h b/include/linux/auto_fs4.h
index 0a6bc52ffe881948cbaab4f2a25a0a7c2d86a82c..31a29541b504234174c0a9678bba9b60bc60e7ac 100644 (file)
--- a/include/linux/auto_fs4.h
+++ b/include/linux/auto_fs4.h
@@ -59,6 +59,13 @@ struct autofs_packet_expire_multi {
        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;
+};
+
 /* autofs v5 common packet struct */
 struct autofs_v5_packet {
        struct autofs_packet_hdr hdr;
@@ -78,12 +85,13 @@ typedef struct autofs_v5_packet autofs_packet_expire_indirect_t;
 typedef struct autofs_v5_packet autofs_packet_missing_direct_t;
 typedef struct autofs_v5_packet autofs_packet_expire_direct_t;
 
-union autofs_packet_union {
+union autofs_v5_packet_union {
        struct autofs_packet_hdr hdr;
-       struct autofs_packet_missing missing;
-       struct autofs_packet_expire expire;
-       struct autofs_packet_expire_multi expire_multi;
        struct autofs_v5_packet v5_packet;
+       autofs_packet_missing_indirect_t missing_indirect;
+       autofs_packet_expire_indirect_t expire_indirect;
+       autofs_packet_missing_direct_t missing_direct;
+       autofs_packet_expire_direct_t expire_direct;
 };
 
 #define AUTOFS_IOC_EXPIRE_MULTI                _IOW(0x93,0x66,int)