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Subject[PATCH] AFS compile breakage in 2.5.43
Is this valid? gcc-2.95.3 doesn't like it at all.
[fs/afs/dir.c line 65]

typedef union afs_dirent {
struct {
u8 valid;
u8 unused[1];
u16 hash_next;
u32 vnode;
u32 unique;
u8 name[16];
u8 overflow[4]; /* if any char of the name (inc NUL) reaches here, consume
* the next dirent too */
};
u8 extended_name[32];
} afs_dirent_t;
This breaks compile of AFS due to members of the unnamed struct being
used as members of afs_dirent_t objects:
fs/afs/dir.c:75: warning: unnamed struct/union that defines no instances
fs/afs/dir.c: In function `afs_dir_iterate_block':
fs/afs/dir.c:261: union has no member named `name'
fs/afs/dir.c:293: union has no member named `name'
fs/afs/dir.c:296: union has no member named `vnode'
fs/afs/dir.c:296: union has no member named `vnode'
fs/afs/dir.c:296: union has no member named `vnode'
fs/afs/dir.c:297: union has no member named `unique'

The following makes it compile.

--- linux-2.5.43-orig/fs/afs/dir 2002-10-16 17:54:04 -0500
+++ linux-2.5.43/fs/afs/dir.c 2002-10-16 17:55:07 -0500
@@ -72,7 +72,7 @@
u8 name[16];
u8 overflow[4]; /* if any char of the name (inc NUL) reaches here, consume
* the next dirent too */
- };
+ } ent;
u8 extended_name[32];
} afs_dirent_t;

@@ -258,7 +258,7 @@

/* got a valid entry */
dire = &block->dirents[offset];
- nlen = strnlen(dire->name,sizeof(*block) - offset*sizeof(afs_dirent_t));
+ nlen = strnlen(dire->ent.name,sizeof(*block) - offset*sizeof(afs_dirent_t));

_debug("ENT[%u.%u]: %s %u \"%.*s\"\n",
blkoff/sizeof(afs_dir_block_t),offset,
@@ -290,11 +290,11 @@

/* found the next entry */
ret = filldir(cookie,
- dire->name,
+ dire->ent.name,
nlen,
blkoff + offset * sizeof(afs_dirent_t),
- ntohl(dire->vnode),
- filldir==afs_dir_lookup_filldir ? dire->unique : DT_UNKNOWN);
+ ntohl(dire->ent.vnode),
+ filldir==afs_dir_lookup_filldir ? dire->ent.unique : DT_UNKNOWN);
if (ret<0) {
_leave(" = 0 [full]");
return 0;

Matt
-
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