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afs: Remove callback details from afs_callback_break struct 

Remove unnecessary details of a broken callback, such as version, expiry
and type, from the afs_callback_break struct as they're not actually used
and make the list take more memory.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2018-10-20 00:57:58 +01:00
parent 0067191201
commit 06aeb29714
3 changed files with 8 additions and 19 deletions
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2
fs/afs/afs.h
View File

@ -75,7 +75,7 @@ struct afs_callback {
struct afs_callback_break {
struct afs_fid fid; /* File identifier */
struct afs_callback cb; /* Callback details */
//struct afs_callback cb; /* Callback details */
};
#define AFSCBMAX 50 /* maximum callbacks transferred per bulk op */

8
fs/afs/callback.c
View File

@ -310,14 +310,10 @@ void afs_break_callbacks(struct afs_server *server, size_t count,
/* TODO: Sort the callback break list by volume ID */
for (; count > 0; callbacks++, count--) {
_debug("- Fid { vl=%08llx n=%llu u=%u } CB { v=%u x=%u t=%u }",
_debug("- Fid { vl=%08llx n=%llu u=%u }",
callbacks->fid.vid,
callbacks->fid.vnode,
callbacks->fid.unique,
callbacks->cb.version,
callbacks->cb.expiry,
callbacks->cb.type
);
callbacks->fid.unique);
afs_break_one_callback(server, &callbacks->fid);
}

17
fs/afs/cmservice.c
View File

@ -218,7 +218,6 @@ static int afs_deliver_cb_callback(struct afs_call *call)
cb->fid.vid = ntohl(*bp++);
cb->fid.vnode = ntohl(*bp++);
cb->fid.unique = ntohl(*bp++);
cb->cb.type = AFSCM_CB_UNTYPED;
}
afs_extract_to_tmp(call);
@ -236,24 +235,18 @@ static int afs_deliver_cb_callback(struct afs_call *call)
if (call->count2 != call->count && call->count2 != 0)
return afs_protocol_error(call, -EBADMSG,
afs_eproto_cb_count);
afs_extract_to_buf(call, call->count2 * 3 * 4);
call->_iter = &call->iter;
iov_iter_discard(&call->iter, READ, call->count2 * 3 * 4);
call->unmarshall++;
case 4:
_debug("extract CB array");
_debug("extract discard %zu/%u",
iov_iter_count(&call->iter), call->count2 * 3 * 4);
ret = afs_extract_data(call, false);
if (ret < 0)
return ret;
_debug("unmarshall CB array");
cb = call->request;
bp = call->buffer;
for (loop = call->count2; loop > 0; loop--, cb++) {
cb->cb.version = ntohl(*bp++);
cb->cb.expiry = ntohl(*bp++);
cb->cb.type = ntohl(*bp++);
}
call->unmarshall++;
case 5:
break;