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afs: Rename some fields

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Rename the ->index and ->untried fields of the afs_vl_cursor and
afs_operation struct to ->server_index and ->untried_servers to avoid
confusion with address iteration fields when those get folded in.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
This commit is contained in:
David Howells 2023-10-26 15:56:39 +01:00
parent 1e5d849325
commit 905b861564
3 changed files with 38 additions and 38 deletions
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8
fs/afs/internal.h
View File

@ -747,11 +747,11 @@ struct afs_vl_cursor {
struct afs_vlserver_list *server_list; /* Current server list (pins ref) */
struct afs_vlserver *server; /* Server on which this resides */
struct key *key; /* Key for the server */
unsigned long untried; /* Bitmask of untried servers */
unsigned long untried_servers; /* Bitmask of untried servers */
struct afs_error cumul_error; /* Cumulative error */
s32 call_abort_code;
short index; /* Current server */
short call_error; /* Error from single call */
short server_index; /* Current server */
unsigned short flags;
#define AFS_VL_CURSOR_STOP 0x0001 /* Set to cease iteration */
#define AFS_VL_CURSOR_RETRY 0x0002 /* Set to do a retry */
@ -864,8 +864,8 @@ struct afs_operation {
struct afs_server_list *server_list; /* Current server list (pins ref) */
struct afs_server *server; /* Server we're using (ref pinned by server_list) */
struct afs_call *call;
unsigned long untried; /* Bitmask of untried servers */
short index; /* Current server */
unsigned long untried_servers; /* Bitmask of untried servers */
short server_index; /* Current server */
short nr_iterations; /* Number of server iterations */
bool call_responded; /* T if the current address responded */

36
fs/afs/rotate.c
View File

@ -32,8 +32,8 @@ static bool afs_start_fs_iteration(struct afs_operation *op,
lockdep_is_held(&op->volume->servers_lock)));
read_unlock(&op->volume->servers_lock);
op->untried = (1UL << op->server_list->nr_servers) - 1;
op->index = READ_ONCE(op->server_list->preferred);
op->untried_servers = (1UL << op->server_list->nr_servers) - 1;
op->server_index = READ_ONCE(op->server_list->preferred);
cb_server = vnode->cb_server;
if (cb_server) {
@ -41,7 +41,7 @@ static bool afs_start_fs_iteration(struct afs_operation *op,
for (i = 0; i < op->server_list->nr_servers; i++) {
server = op->server_list->servers[i].server;
if (server == cb_server) {
op->index = i;
op->server_index = i;
goto found_interest;
}
}
@ -120,7 +120,7 @@ bool afs_select_fileserver(struct afs_operation *op)
_enter("OP=%x+%x,%llx,%lx[%d],%lx[%d],%d,%d",
op->debug_id, op->nr_iterations, op->volume->vid,
op->untried, op->index,
op->untried_servers, op->server_index,
op->ac.tried, op->ac.index,
error, abort_code);
@ -172,7 +172,7 @@ bool afs_select_fileserver(struct afs_operation *op)
}
write_lock(&op->volume->servers_lock);
op->server_list->vnovol_mask |= 1 << op->index;
op->server_list->vnovol_mask |= 1 << op->server_index;
write_unlock(&op->volume->servers_lock);
set_bit(AFS_VOLUME_NEEDS_UPDATE, &op->volume->flags);
@ -419,9 +419,9 @@ start:
_debug("__ VOL %llx __", op->volume->vid);
pick_server:
_debug("pick [%lx]", op->untried);
_debug("pick [%lx]", op->untried_servers);
error = afs_wait_for_fs_probes(op->server_list, op->untried);
error = afs_wait_for_fs_probes(op->server_list, op->untried_servers);
if (error < 0) {
afs_op_set_error(op, error);
goto failed;
@ -431,40 +431,40 @@ pick_server:
* callbacks, we stick with the server we're already using if we can.
*/
if (op->server) {
_debug("server %u", op->index);
if (test_bit(op->index, &op->untried))
_debug("server %u", op->server_index);
if (test_bit(op->server_index, &op->untried_servers))
goto selected_server;
op->server = NULL;
_debug("no server");
}
op->index = -1;
op->server_index = -1;
rtt = UINT_MAX;
for (i = 0; i < op->server_list->nr_servers; i++) {
struct afs_server *s = op->server_list->servers[i].server;
if (!test_bit(i, &op->untried) ||
if (!test_bit(i, &op->untried_servers) ||
!test_bit(AFS_SERVER_FL_RESPONDING, &s->flags))
continue;
if (s->probe.rtt <= rtt) {
op->index = i;
op->server_index = i;
rtt = s->probe.rtt;
}
}
if (op->index == -1)
if (op->server_index == -1)
goto no_more_servers;
selected_server:
_debug("use %d", op->index);
__clear_bit(op->index, &op->untried);
_debug("use %d", op->server_index);
__clear_bit(op->server_index, &op->untried_servers);
/* We're starting on a different fileserver from the list. We need to
* check it, create a callback intercept, find its address list and
* probe its capabilities before we use it.
*/
ASSERTCMP(op->ac.alist, ==, NULL);
server = op->server_list->servers[op->index].server;
server = op->server_list->servers[op->server_index].server;
if (!afs_check_server_record(op, server))
goto failed;
@ -506,7 +506,7 @@ iterate_address:
goto out_of_addresses;
_debug("address [%u] %u/%u %pISp",
op->index, op->ac.index, op->ac.alist->nr_addrs,
op->server_index, op->ac.index, op->ac.alist->nr_addrs,
rxrpc_kernel_remote_addr(op->ac.alist->addrs[op->ac.index].peer));
op->call_responded = false;
@ -581,7 +581,7 @@ void afs_dump_edestaddrreq(const struct afs_operation *op)
op->file[0].cb_break_before,
op->file[1].cb_break_before, op->flags, op->cumul_error.error);
pr_notice("OP: ut=%lx ix=%d ni=%u\n",
op->untried, op->index, op->nr_iterations);
op->untried_servers, op->server_index, op->nr_iterations);
pr_notice("OP: call er=%d ac=%d r=%u\n",
op->call_error, op->call_abort_code, op->call_responded);

32
fs/afs/vl_rotate.c
View File

@ -78,8 +78,8 @@ static bool afs_start_vl_iteration(struct afs_vl_cursor *vc)
if (!vc->server_list->nr_servers)
return false;
vc->untried = (1UL << vc->server_list->nr_servers) - 1;
vc->index = -1;
vc->untried_servers = (1UL << vc->server_list->nr_servers) - 1;
vc->server_index = -1;
return true;
}
@ -98,7 +98,7 @@ bool afs_select_vlserver(struct afs_vl_cursor *vc)
vc->nr_iterations++;
_enter("%lx[%d],%lx[%d],%d,%d",
vc->untried, vc->index,
vc->untried_servers, vc->server_index,
vc->ac.tried, vc->ac.index,
error, abort_code);
@ -131,7 +131,7 @@ bool afs_select_vlserver(struct afs_vl_cursor *vc)
/* The server went weird. */
afs_prioritise_error(&vc->cumul_error, -EREMOTEIO, abort_code);
//write_lock(&vc->cell->vl_servers_lock);
//vc->server_list->weird_mask |= 1 << vc->index;
//vc->server_list->weird_mask |= 1 << vc->server_index;
//write_unlock(&vc->cell->vl_servers_lock);
goto next_server;
@ -184,46 +184,46 @@ start:
}
pick_server:
_debug("pick [%lx]", vc->untried);
_debug("pick [%lx]", vc->untried_servers);
error = afs_wait_for_vl_probes(vc->server_list, vc->untried);
error = afs_wait_for_vl_probes(vc->server_list, vc->untried_servers);
if (error < 0) {
afs_prioritise_error(&vc->cumul_error, error, 0);
goto failed;
}
/* Pick the untried server with the lowest RTT. */
vc->index = vc->server_list->preferred;
if (test_bit(vc->index, &vc->untried))
vc->server_index = vc->server_list->preferred;
if (test_bit(vc->server_index, &vc->untried_servers))
goto selected_server;
vc->index = -1;
vc->server_index = -1;
rtt = UINT_MAX;
for (i = 0; i < vc->server_list->nr_servers; i++) {
struct afs_vlserver *s = vc->server_list->servers[i].server;
if (!test_bit(i, &vc->untried) ||
if (!test_bit(i, &vc->untried_servers) ||
!test_bit(AFS_VLSERVER_FL_RESPONDING, &s->flags))
continue;
if (s->probe.rtt <= rtt) {
vc->index = i;
vc->server_index = i;
rtt = s->probe.rtt;
}
}
if (vc->index == -1)
if (vc->server_index == -1)
goto no_more_servers;
selected_server:
_debug("use %d", vc->index);
__clear_bit(vc->index, &vc->untried);
_debug("use %d", vc->server_index);
__clear_bit(vc->server_index, &vc->untried_servers);
/* We're starting on a different vlserver from the list. We need to
* check it, find its address list and probe its capabilities before we
* use it.
*/
ASSERTCMP(vc->ac.alist, ==, NULL);
vlserver = vc->server_list->servers[vc->index].server;
vlserver = vc->server_list->servers[vc->server_index].server;
vc->server = vlserver;
_debug("USING VLSERVER: %s", vlserver->name);
@ -299,7 +299,7 @@ static void afs_vl_dump_edestaddrreq(const struct afs_vl_cursor *vc)
pr_notice("DNS: src=%u st=%u lc=%x\n",
cell->dns_source, cell->dns_status, cell->dns_lookup_count);
pr_notice("VC: ut=%lx ix=%u ni=%hu fl=%hx err=%hd\n",
vc->untried, vc->index, vc->nr_iterations, vc->flags,
vc->untried_servers, vc->server_index, vc->nr_iterations, vc->flags,
vc->cumul_error.error);
pr_notice("VC: call er=%d ac=%d r=%u\n",
vc->call_error, vc->call_abort_code, vc->call_responded);