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afs: Eliminate the address pointer from the address list cursor

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Eliminate the address pointer from the address list cursor as it's
redundant (ac->addrs[ac->index] can be used to find the same address) and
address lists must be replaced rather than being rearranged, so is of
limited value.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2018-10-20 00:57:59 +01:00
parent 744bcd713a
commit 2feeaf8433
6 changed files with 5 additions and 10 deletions
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2
fs/afs/addr_list.c
View File

@ -371,7 +371,6 @@ bool afs_iterate_addresses(struct afs_addr_cursor *ac)
ac->begun = true;
ac->responded = false;
ac->addr = &ac->alist->addrs[ac->index];
return true;
}
@ -389,7 +388,6 @@ int afs_end_cursor(struct afs_addr_cursor *ac)
afs_put_addrlist(alist);
}
ac->addr = NULL;
ac->alist = NULL;
ac->begun = false;
return ac->error;

1
fs/afs/internal.h
View File

@ -653,7 +653,6 @@ struct afs_interface {
*/
struct afs_addr_cursor {
struct afs_addr_list *alist; /* Current address list (pins ref) */
struct sockaddr_rxrpc *addr;
u32 abort_code;
unsigned short start; /* Starting point in alist->addrs[] */
unsigned short index; /* Wrapping offset from start to current addr */

2
fs/afs/rxrpc.c
View File

@ -359,7 +359,7 @@ static int afs_send_pages(struct afs_call *call, struct msghdr *msg)
long afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call,
gfp_t gfp, bool async)
{
struct sockaddr_rxrpc *srx = ac->addr;
struct sockaddr_rxrpc *srx = &ac->alist->addrs[ac->index];
struct rxrpc_call *rxcall;
struct msghdr msg;
struct kvec iov[1];

2
fs/afs/server.c
View File

@ -367,7 +367,6 @@ static void afs_destroy_server(struct afs_net *net, struct afs_server *server)
.alist = alist,
.start = alist->index,
.index = 0,
.addr = &alist->addrs[alist->index],
.error = 0,
};
_enter("%p", server);
@ -518,7 +517,6 @@ static bool afs_do_probe_fileserver(struct afs_fs_cursor *fc)
_enter("");
fc->ac.addr = NULL;
fc->ac.start = READ_ONCE(fc->ac.alist->index);
fc->ac.index = fc->ac.start;
fc->ac.error = 0;

2
fs/afs/vl_rotate.c
View File

@ -209,7 +209,7 @@ iterate_address:
if (!afs_iterate_addresses(&vc->ac))
goto next_server;
_leave(" = t %pISpc", &vc->ac.addr->transport);
_leave(" = t %pISpc", &vc->ac.alist->addrs[vc->ac.index].transport);
return true;
next_server:

6
fs/afs/volume.c
View File

@ -88,16 +88,16 @@ static struct afs_vldb_entry *afs_vl_lookup_vldb(struct afs_cell *cell,
case VL_SERVICE:
clear_bit(vc.ac.index, &vc.ac.alist->yfs);
set_bit(vc.ac.index, &vc.ac.alist->probed);
vc.ac.addr->srx_service = ret;
vc.ac.alist->addrs[vc.ac.index].srx_service = ret;
break;
case YFS_VL_SERVICE:
set_bit(vc.ac.index, &vc.ac.alist->yfs);
set_bit(vc.ac.index, &vc.ac.alist->probed);
vc.ac.addr->srx_service = ret;
vc.ac.alist->addrs[vc.ac.index].srx_service = ret;
break;
}
}
vldb = afs_vl_get_entry_by_name_u(&vc, volname, volnamesz);
}