[AF_RXRPC]: Make the in-kernel AFS filesystem use AF_RXRPC.
Make the in-kernel AFS filesystem use AF_RXRPC instead of the old RxRPC code.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/fs/afs/vlclient.c b/fs/afs/vlclient.c
index dac9faa..0c7eba1 100644
--- a/fs/afs/vlclient.c
+++ b/fs/afs/vlclient.c
@@ -11,673 +11,202 @@
#include <linux/init.h>
#include <linux/sched.h>
-#include <rxrpc/rxrpc.h>
-#include <rxrpc/transport.h>
-#include <rxrpc/connection.h>
-#include <rxrpc/call.h>
-#include "server.h"
-#include "volume.h"
-#include "vlclient.h"
-#include "kafsasyncd.h"
-#include "kafstimod.h"
-#include "errors.h"
#include "internal.h"
-#define VLGETENTRYBYID 503 /* AFS Get Cache Entry By ID operation ID */
-#define VLGETENTRYBYNAME 504 /* AFS Get Cache Entry By Name operation ID */
-#define VLPROBE 514 /* AFS Probe Volume Location Service operation ID */
-
-static void afs_rxvl_get_entry_by_id_attn(struct rxrpc_call *call);
-static void afs_rxvl_get_entry_by_id_error(struct rxrpc_call *call);
-
/*
- * map afs VL abort codes to/from Linux error codes
- * - called with call->lock held
+ * map volume locator abort codes to error codes
*/
-static void afs_rxvl_aemap(struct rxrpc_call *call)
+static int afs_vl_abort_to_error(u32 abort_code)
{
- int err;
+ _enter("%u", abort_code);
- _enter("{%u,%u,%d}",
- call->app_err_state, call->app_abort_code, call->app_errno);
-
- switch (call->app_err_state) {
- case RXRPC_ESTATE_LOCAL_ABORT:
- call->app_abort_code = -call->app_errno;
- return;
-
- case RXRPC_ESTATE_PEER_ABORT:
- switch (call->app_abort_code) {
- case AFSVL_IDEXIST: err = -EEXIST; break;
- case AFSVL_IO: err = -EREMOTEIO; break;
- case AFSVL_NAMEEXIST: err = -EEXIST; break;
- case AFSVL_CREATEFAIL: err = -EREMOTEIO; break;
- case AFSVL_NOENT: err = -ENOMEDIUM; break;
- case AFSVL_EMPTY: err = -ENOMEDIUM; break;
- case AFSVL_ENTDELETED: err = -ENOMEDIUM; break;
- case AFSVL_BADNAME: err = -EINVAL; break;
- case AFSVL_BADINDEX: err = -EINVAL; break;
- case AFSVL_BADVOLTYPE: err = -EINVAL; break;
- case AFSVL_BADSERVER: err = -EINVAL; break;
- case AFSVL_BADPARTITION: err = -EINVAL; break;
- case AFSVL_REPSFULL: err = -EFBIG; break;
- case AFSVL_NOREPSERVER: err = -ENOENT; break;
- case AFSVL_DUPREPSERVER: err = -EEXIST; break;
- case AFSVL_RWNOTFOUND: err = -ENOENT; break;
- case AFSVL_BADREFCOUNT: err = -EINVAL; break;
- case AFSVL_SIZEEXCEEDED: err = -EINVAL; break;
- case AFSVL_BADENTRY: err = -EINVAL; break;
- case AFSVL_BADVOLIDBUMP: err = -EINVAL; break;
- case AFSVL_IDALREADYHASHED: err = -EINVAL; break;
- case AFSVL_ENTRYLOCKED: err = -EBUSY; break;
- case AFSVL_BADVOLOPER: err = -EBADRQC; break;
- case AFSVL_BADRELLOCKTYPE: err = -EINVAL; break;
- case AFSVL_RERELEASE: err = -EREMOTEIO; break;
- case AFSVL_BADSERVERFLAG: err = -EINVAL; break;
- case AFSVL_PERM: err = -EACCES; break;
- case AFSVL_NOMEM: err = -EREMOTEIO; break;
- default:
- err = afs_abort_to_error(call->app_abort_code);
- break;
- }
- call->app_errno = err;
- return;
-
+ switch (abort_code) {
+ case AFSVL_IDEXIST: return -EEXIST;
+ case AFSVL_IO: return -EREMOTEIO;
+ case AFSVL_NAMEEXIST: return -EEXIST;
+ case AFSVL_CREATEFAIL: return -EREMOTEIO;
+ case AFSVL_NOENT: return -ENOMEDIUM;
+ case AFSVL_EMPTY: return -ENOMEDIUM;
+ case AFSVL_ENTDELETED: return -ENOMEDIUM;
+ case AFSVL_BADNAME: return -EINVAL;
+ case AFSVL_BADINDEX: return -EINVAL;
+ case AFSVL_BADVOLTYPE: return -EINVAL;
+ case AFSVL_BADSERVER: return -EINVAL;
+ case AFSVL_BADPARTITION: return -EINVAL;
+ case AFSVL_REPSFULL: return -EFBIG;
+ case AFSVL_NOREPSERVER: return -ENOENT;
+ case AFSVL_DUPREPSERVER: return -EEXIST;
+ case AFSVL_RWNOTFOUND: return -ENOENT;
+ case AFSVL_BADREFCOUNT: return -EINVAL;
+ case AFSVL_SIZEEXCEEDED: return -EINVAL;
+ case AFSVL_BADENTRY: return -EINVAL;
+ case AFSVL_BADVOLIDBUMP: return -EINVAL;
+ case AFSVL_IDALREADYHASHED: return -EINVAL;
+ case AFSVL_ENTRYLOCKED: return -EBUSY;
+ case AFSVL_BADVOLOPER: return -EBADRQC;
+ case AFSVL_BADRELLOCKTYPE: return -EINVAL;
+ case AFSVL_RERELEASE: return -EREMOTEIO;
+ case AFSVL_BADSERVERFLAG: return -EINVAL;
+ case AFSVL_PERM: return -EACCES;
+ case AFSVL_NOMEM: return -EREMOTEIO;
default:
- return;
+ return afs_abort_to_error(abort_code);
}
}
-#if 0
/*
- * probe a volume location server to see if it is still alive -- unused
+ * deliver reply data to a VL.GetEntryByXXX call
*/
-static int afs_rxvl_probe(struct afs_server *server, int alloc_flags)
+static int afs_deliver_vl_get_entry_by_xxx(struct afs_call *call,
+ struct sk_buff *skb, bool last)
{
- struct rxrpc_connection *conn;
- struct rxrpc_call *call;
- struct kvec piov[1];
- size_t sent;
- int ret;
- __be32 param[1];
-
- DECLARE_WAITQUEUE(myself, current);
-
- /* get hold of the vlserver connection */
- ret = afs_server_get_vlconn(server, &conn);
- if (ret < 0)
- goto out;
-
- /* create a call through that connection */
- ret = rxrpc_create_call(conn, NULL, NULL, afs_rxvl_aemap, &call);
- if (ret < 0) {
- printk("kAFS: Unable to create call: %d\n", ret);
- goto out_put_conn;
- }
- call->app_opcode = VLPROBE;
-
- /* we want to get event notifications from the call */
- add_wait_queue(&call->waitq, &myself);
-
- /* marshall the parameters */
- param[0] = htonl(VLPROBE);
- piov[0].iov_len = sizeof(param);
- piov[0].iov_base = param;
-
- /* send the parameters to the server */
- ret = rxrpc_call_write_data(call, 1, piov, RXRPC_LAST_PACKET,
- alloc_flags, 0, &sent);
- if (ret < 0)
- goto abort;
-
- /* wait for the reply to completely arrive */
- for (;;) {
- set_current_state(TASK_INTERRUPTIBLE);
- if (call->app_call_state != RXRPC_CSTATE_CLNT_RCV_REPLY ||
- signal_pending(current))
- break;
- schedule();
- }
- set_current_state(TASK_RUNNING);
-
- ret = -EINTR;
- if (signal_pending(current))
- goto abort;
-
- switch (call->app_call_state) {
- case RXRPC_CSTATE_ERROR:
- ret = call->app_errno;
- goto out_unwait;
-
- case RXRPC_CSTATE_CLNT_GOT_REPLY:
- ret = 0;
- goto out_unwait;
-
- default:
- BUG();
- }
-
-abort:
- set_current_state(TASK_UNINTERRUPTIBLE);
- rxrpc_call_abort(call, ret);
- schedule();
-
-out_unwait:
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&call->waitq, &myself);
- rxrpc_put_call(call);
-out_put_conn:
- rxrpc_put_connection(conn);
-out:
- return ret;
-}
-#endif
-
-/*
- * look up a volume location database entry by name
- */
-int afs_rxvl_get_entry_by_name(struct afs_server *server,
- const char *volname,
- unsigned volnamesz,
- struct afs_cache_vlocation *entry)
-{
- DECLARE_WAITQUEUE(myself, current);
-
- struct rxrpc_connection *conn;
- struct rxrpc_call *call;
- struct kvec piov[3];
- unsigned tmp;
- size_t sent;
- int ret, loop;
- __be32 *bp, param[2], zero;
-
- _enter(",%*.*s,%u,", volnamesz, volnamesz, volname, volnamesz);
-
- memset(entry, 0, sizeof(*entry));
-
- /* get hold of the vlserver connection */
- ret = afs_server_get_vlconn(server, &conn);
- if (ret < 0)
- goto out;
-
- /* create a call through that connection */
- ret = rxrpc_create_call(conn, NULL, NULL, afs_rxvl_aemap, &call);
- if (ret < 0) {
- printk("kAFS: Unable to create call: %d\n", ret);
- goto out_put_conn;
- }
- call->app_opcode = VLGETENTRYBYNAME;
-
- /* we want to get event notifications from the call */
- add_wait_queue(&call->waitq, &myself);
-
- /* marshall the parameters */
- piov[1].iov_len = volnamesz;
- piov[1].iov_base = (char *) volname;
-
- zero = 0;
- piov[2].iov_len = (4 - (piov[1].iov_len & 3)) & 3;
- piov[2].iov_base = &zero;
-
- param[0] = htonl(VLGETENTRYBYNAME);
- param[1] = htonl(piov[1].iov_len);
-
- piov[0].iov_len = sizeof(param);
- piov[0].iov_base = param;
-
- /* send the parameters to the server */
- ret = rxrpc_call_write_data(call, 3, piov, RXRPC_LAST_PACKET, GFP_NOFS,
- 0, &sent);
- if (ret < 0)
- goto abort;
-
- /* wait for the reply to completely arrive */
- bp = rxrpc_call_alloc_scratch(call, 384);
-
- ret = rxrpc_call_read_data(call, bp, 384,
- RXRPC_CALL_READ_BLOCK |
- RXRPC_CALL_READ_ALL);
- if (ret < 0) {
- if (ret == -ECONNABORTED) {
- ret = call->app_errno;
- goto out_unwait;
- }
- goto abort;
- }
-
- /* unmarshall the reply */
- for (loop = 0; loop < 64; loop++)
- entry->name[loop] = ntohl(*bp++);
- bp++; /* final NUL */
-
- bp++; /* type */
- entry->nservers = ntohl(*bp++);
-
- for (loop = 0; loop < 8; loop++)
- entry->servers[loop].s_addr = *bp++;
-
- bp += 8; /* partition IDs */
-
- for (loop = 0; loop < 8; loop++) {
- tmp = ntohl(*bp++);
- if (tmp & AFS_VLSF_RWVOL)
- entry->srvtmask[loop] |= AFS_VOL_VTM_RW;
- if (tmp & AFS_VLSF_ROVOL)
- entry->srvtmask[loop] |= AFS_VOL_VTM_RO;
- if (tmp & AFS_VLSF_BACKVOL)
- entry->srvtmask[loop] |= AFS_VOL_VTM_BAK;
- }
-
- entry->vid[0] = ntohl(*bp++);
- entry->vid[1] = ntohl(*bp++);
- entry->vid[2] = ntohl(*bp++);
-
- bp++; /* clone ID */
-
- tmp = ntohl(*bp++); /* flags */
- if (tmp & AFS_VLF_RWEXISTS)
- entry->vidmask |= AFS_VOL_VTM_RW;
- if (tmp & AFS_VLF_ROEXISTS)
- entry->vidmask |= AFS_VOL_VTM_RO;
- if (tmp & AFS_VLF_BACKEXISTS)
- entry->vidmask |= AFS_VOL_VTM_BAK;
-
- ret = -ENOMEDIUM;
- if (!entry->vidmask)
- goto abort;
-
- /* success */
- entry->rtime = get_seconds();
- ret = 0;
-
-out_unwait:
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&call->waitq, &myself);
- rxrpc_put_call(call);
-out_put_conn:
- rxrpc_put_connection(conn);
-out:
- _leave(" = %d", ret);
- return ret;
-
-abort:
- set_current_state(TASK_UNINTERRUPTIBLE);
- rxrpc_call_abort(call, ret);
- schedule();
- goto out_unwait;
-}
-
-/*
- * look up a volume location database entry by ID
- */
-int afs_rxvl_get_entry_by_id(struct afs_server *server,
- afs_volid_t volid,
- afs_voltype_t voltype,
- struct afs_cache_vlocation *entry)
-{
- DECLARE_WAITQUEUE(myself, current);
-
- struct rxrpc_connection *conn;
- struct rxrpc_call *call;
- struct kvec piov[1];
- unsigned tmp;
- size_t sent;
- int ret, loop;
- __be32 *bp, param[3];
-
- _enter(",%x,%d,", volid, voltype);
-
- memset(entry, 0, sizeof(*entry));
-
- /* get hold of the vlserver connection */
- ret = afs_server_get_vlconn(server, &conn);
- if (ret < 0)
- goto out;
-
- /* create a call through that connection */
- ret = rxrpc_create_call(conn, NULL, NULL, afs_rxvl_aemap, &call);
- if (ret < 0) {
- printk("kAFS: Unable to create call: %d\n", ret);
- goto out_put_conn;
- }
- call->app_opcode = VLGETENTRYBYID;
-
- /* we want to get event notifications from the call */
- add_wait_queue(&call->waitq, &myself);
-
- /* marshall the parameters */
- param[0] = htonl(VLGETENTRYBYID);
- param[1] = htonl(volid);
- param[2] = htonl(voltype);
-
- piov[0].iov_len = sizeof(param);
- piov[0].iov_base = param;
-
- /* send the parameters to the server */
- ret = rxrpc_call_write_data(call, 1, piov, RXRPC_LAST_PACKET, GFP_NOFS,
- 0, &sent);
- if (ret < 0)
- goto abort;
-
- /* wait for the reply to completely arrive */
- bp = rxrpc_call_alloc_scratch(call, 384);
-
- ret = rxrpc_call_read_data(call, bp, 384,
- RXRPC_CALL_READ_BLOCK |
- RXRPC_CALL_READ_ALL);
- if (ret < 0) {
- if (ret == -ECONNABORTED) {
- ret = call->app_errno;
- goto out_unwait;
- }
- goto abort;
- }
-
- /* unmarshall the reply */
- for (loop = 0; loop < 64; loop++)
- entry->name[loop] = ntohl(*bp++);
- bp++; /* final NUL */
-
- bp++; /* type */
- entry->nservers = ntohl(*bp++);
-
- for (loop = 0; loop < 8; loop++)
- entry->servers[loop].s_addr = *bp++;
-
- bp += 8; /* partition IDs */
-
- for (loop = 0; loop < 8; loop++) {
- tmp = ntohl(*bp++);
- if (tmp & AFS_VLSF_RWVOL)
- entry->srvtmask[loop] |= AFS_VOL_VTM_RW;
- if (tmp & AFS_VLSF_ROVOL)
- entry->srvtmask[loop] |= AFS_VOL_VTM_RO;
- if (tmp & AFS_VLSF_BACKVOL)
- entry->srvtmask[loop] |= AFS_VOL_VTM_BAK;
- }
-
- entry->vid[0] = ntohl(*bp++);
- entry->vid[1] = ntohl(*bp++);
- entry->vid[2] = ntohl(*bp++);
-
- bp++; /* clone ID */
-
- tmp = ntohl(*bp++); /* flags */
- if (tmp & AFS_VLF_RWEXISTS)
- entry->vidmask |= AFS_VOL_VTM_RW;
- if (tmp & AFS_VLF_ROEXISTS)
- entry->vidmask |= AFS_VOL_VTM_RO;
- if (tmp & AFS_VLF_BACKEXISTS)
- entry->vidmask |= AFS_VOL_VTM_BAK;
-
- ret = -ENOMEDIUM;
- if (!entry->vidmask)
- goto abort;
-
-#if 0 /* TODO: remove */
- entry->nservers = 3;
- entry->servers[0].s_addr = htonl(0xac101249);
- entry->servers[1].s_addr = htonl(0xac101243);
- entry->servers[2].s_addr = htonl(0xac10125b /*0xac10125b*/);
-
- entry->srvtmask[0] = AFS_VOL_VTM_RO;
- entry->srvtmask[1] = AFS_VOL_VTM_RO;
- entry->srvtmask[2] = AFS_VOL_VTM_RO | AFS_VOL_VTM_RW;
-#endif
-
- /* success */
- entry->rtime = get_seconds();
- ret = 0;
-
-out_unwait:
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&call->waitq, &myself);
- rxrpc_put_call(call);
-out_put_conn:
- rxrpc_put_connection(conn);
-out:
- _leave(" = %d", ret);
- return ret;
-
-abort:
- set_current_state(TASK_UNINTERRUPTIBLE);
- rxrpc_call_abort(call, ret);
- schedule();
- goto out_unwait;
-}
-
-/*
- * look up a volume location database entry by ID asynchronously
- */
-int afs_rxvl_get_entry_by_id_async(struct afs_async_op *op,
- afs_volid_t volid,
- afs_voltype_t voltype)
-{
- struct rxrpc_connection *conn;
- struct rxrpc_call *call;
- struct kvec piov[1];
- size_t sent;
- int ret;
- __be32 param[3];
-
- _enter(",%x,%d,", volid, voltype);
-
- /* get hold of the vlserver connection */
- ret = afs_server_get_vlconn(op->server, &conn);
- if (ret < 0) {
- _leave(" = %d", ret);
- return ret;
- }
-
- /* create a call through that connection */
- ret = rxrpc_create_call(conn,
- afs_rxvl_get_entry_by_id_attn,
- afs_rxvl_get_entry_by_id_error,
- afs_rxvl_aemap,
- &op->call);
- rxrpc_put_connection(conn);
-
- if (ret < 0) {
- printk("kAFS: Unable to create call: %d\n", ret);
- _leave(" = %d", ret);
- return ret;
- }
-
- op->call->app_opcode = VLGETENTRYBYID;
- op->call->app_user = op;
-
- call = op->call;
- rxrpc_get_call(call);
-
- /* send event notifications from the call to kafsasyncd */
- afs_kafsasyncd_begin_op(op);
-
- /* marshall the parameters */
- param[0] = htonl(VLGETENTRYBYID);
- param[1] = htonl(volid);
- param[2] = htonl(voltype);
-
- piov[0].iov_len = sizeof(param);
- piov[0].iov_base = param;
-
- /* allocate result read buffer in scratch space */
- call->app_scr_ptr = rxrpc_call_alloc_scratch(op->call, 384);
-
- /* send the parameters to the server */
- ret = rxrpc_call_write_data(call, 1, piov, RXRPC_LAST_PACKET, GFP_NOFS,
- 0, &sent);
- if (ret < 0) {
- rxrpc_call_abort(call, ret); /* handle from kafsasyncd */
- ret = 0;
- goto out;
- }
-
- /* wait for the reply to completely arrive */
- ret = rxrpc_call_read_data(call, call->app_scr_ptr, 384, 0);
- switch (ret) {
- case 0:
- case -EAGAIN:
- case -ECONNABORTED:
- ret = 0;
- break; /* all handled by kafsasyncd */
-
- default:
- rxrpc_call_abort(call, ret); /* make kafsasyncd handle it */
- ret = 0;
- break;
- }
-
-out:
- rxrpc_put_call(call);
- _leave(" = %d", ret);
- return ret;
-}
-
-/*
- * attend to the asynchronous get VLDB entry by ID
- */
-int afs_rxvl_get_entry_by_id_async2(struct afs_async_op *op,
- struct afs_cache_vlocation *entry)
-{
+ struct afs_cache_vlocation *entry;
__be32 *bp;
- __u32 tmp;
- int loop, ret;
+ u32 tmp;
+ int loop;
- _enter("{op=%p cst=%u}", op, op->call->app_call_state);
+ _enter(",,%u", last);
- memset(entry, 0, sizeof(*entry));
+ afs_transfer_reply(call, skb);
+ if (!last)
+ return 0;
- if (op->call->app_call_state == RXRPC_CSTATE_COMPLETE) {
- /* operation finished */
- afs_kafsasyncd_terminate_op(op);
+ if (call->reply_size != call->reply_max)
+ return -EBADMSG;
- bp = op->call->app_scr_ptr;
+ /* unmarshall the reply once we've received all of it */
+ entry = call->reply;
+ bp = call->buffer;
- /* unmarshall the reply */
- for (loop = 0; loop < 64; loop++)
- entry->name[loop] = ntohl(*bp++);
- bp++; /* final NUL */
+ for (loop = 0; loop < 64; loop++)
+ entry->name[loop] = ntohl(*bp++);
+ entry->name[loop] = 0;
+ bp++; /* final NUL */
- bp++; /* type */
- entry->nservers = ntohl(*bp++);
+ bp++; /* type */
+ entry->nservers = ntohl(*bp++);
- for (loop = 0; loop < 8; loop++)
- entry->servers[loop].s_addr = *bp++;
+ for (loop = 0; loop < 8; loop++)
+ entry->servers[loop].s_addr = *bp++;
- bp += 8; /* partition IDs */
+ bp += 8; /* partition IDs */
- for (loop = 0; loop < 8; loop++) {
- tmp = ntohl(*bp++);
- if (tmp & AFS_VLSF_RWVOL)
- entry->srvtmask[loop] |= AFS_VOL_VTM_RW;
- if (tmp & AFS_VLSF_ROVOL)
- entry->srvtmask[loop] |= AFS_VOL_VTM_RO;
- if (tmp & AFS_VLSF_BACKVOL)
- entry->srvtmask[loop] |= AFS_VOL_VTM_BAK;
- }
-
- entry->vid[0] = ntohl(*bp++);
- entry->vid[1] = ntohl(*bp++);
- entry->vid[2] = ntohl(*bp++);
-
- bp++; /* clone ID */
-
- tmp = ntohl(*bp++); /* flags */
- if (tmp & AFS_VLF_RWEXISTS)
- entry->vidmask |= AFS_VOL_VTM_RW;
- if (tmp & AFS_VLF_ROEXISTS)
- entry->vidmask |= AFS_VOL_VTM_RO;
- if (tmp & AFS_VLF_BACKEXISTS)
- entry->vidmask |= AFS_VOL_VTM_BAK;
-
- ret = -ENOMEDIUM;
- if (!entry->vidmask) {
- rxrpc_call_abort(op->call, ret);
- goto done;
- }
-
-#if 0 /* TODO: remove */
- entry->nservers = 3;
- entry->servers[0].s_addr = htonl(0xac101249);
- entry->servers[1].s_addr = htonl(0xac101243);
- entry->servers[2].s_addr = htonl(0xac10125b /*0xac10125b*/);
-
- entry->srvtmask[0] = AFS_VOL_VTM_RO;
- entry->srvtmask[1] = AFS_VOL_VTM_RO;
- entry->srvtmask[2] = AFS_VOL_VTM_RO | AFS_VOL_VTM_RW;
-#endif
-
- /* success */
- entry->rtime = get_seconds();
- ret = 0;
- goto done;
+ for (loop = 0; loop < 8; loop++) {
+ tmp = ntohl(*bp++);
+ entry->srvtmask[loop] = 0;
+ if (tmp & AFS_VLSF_RWVOL)
+ entry->srvtmask[loop] |= AFS_VOL_VTM_RW;
+ if (tmp & AFS_VLSF_ROVOL)
+ entry->srvtmask[loop] |= AFS_VOL_VTM_RO;
+ if (tmp & AFS_VLSF_BACKVOL)
+ entry->srvtmask[loop] |= AFS_VOL_VTM_BAK;
}
- if (op->call->app_call_state == RXRPC_CSTATE_ERROR) {
- /* operation error */
- ret = op->call->app_errno;
- goto done;
- }
+ entry->vid[0] = ntohl(*bp++);
+ entry->vid[1] = ntohl(*bp++);
+ entry->vid[2] = ntohl(*bp++);
- _leave(" = -EAGAIN");
- return -EAGAIN;
+ bp++; /* clone ID */
-done:
- rxrpc_put_call(op->call);
- op->call = NULL;
- _leave(" = %d", ret);
- return ret;
+ tmp = ntohl(*bp++); /* flags */
+ entry->vidmask = 0;
+ if (tmp & AFS_VLF_RWEXISTS)
+ entry->vidmask |= AFS_VOL_VTM_RW;
+ if (tmp & AFS_VLF_ROEXISTS)
+ entry->vidmask |= AFS_VOL_VTM_RO;
+ if (tmp & AFS_VLF_BACKEXISTS)
+ entry->vidmask |= AFS_VOL_VTM_BAK;
+ if (!entry->vidmask)
+ return -EBADMSG;
+
+ _leave(" = 0 [done]");
+ return 0;
}
/*
- * handle attention events on an async get-entry-by-ID op
- * - called from krxiod
+ * VL.GetEntryByName operation type
*/
-static void afs_rxvl_get_entry_by_id_attn(struct rxrpc_call *call)
+static const struct afs_call_type afs_RXVLGetEntryByName = {
+ .deliver = afs_deliver_vl_get_entry_by_xxx,
+ .abort_to_error = afs_vl_abort_to_error,
+ .destructor = afs_flat_call_destructor,
+};
+
+/*
+ * VL.GetEntryById operation type
+ */
+static const struct afs_call_type afs_RXVLGetEntryById = {
+ .deliver = afs_deliver_vl_get_entry_by_xxx,
+ .abort_to_error = afs_vl_abort_to_error,
+ .destructor = afs_flat_call_destructor,
+};
+
+/*
+ * dispatch a get volume entry by name operation
+ */
+int afs_vl_get_entry_by_name(struct in_addr *addr,
+ const char *volname,
+ struct afs_cache_vlocation *entry,
+ const struct afs_wait_mode *wait_mode)
{
- struct afs_async_op *op = call->app_user;
+ struct afs_call *call;
+ size_t volnamesz, reqsz, padsz;
+ __be32 *bp;
- _enter("{op=%p cst=%u}", op, call->app_call_state);
+ _enter("");
- switch (call->app_call_state) {
- case RXRPC_CSTATE_COMPLETE:
- afs_kafsasyncd_attend_op(op);
- break;
- case RXRPC_CSTATE_CLNT_RCV_REPLY:
- if (call->app_async_read)
- break;
- case RXRPC_CSTATE_CLNT_GOT_REPLY:
- if (call->app_read_count == 0)
- break;
- printk("kAFS: Reply bigger than expected"
- " {cst=%u asyn=%d mark=%Zu rdy=%Zu pr=%u%s}",
- call->app_call_state,
- call->app_async_read,
- call->app_mark,
- call->app_ready_qty,
- call->pkt_rcv_count,
- call->app_last_rcv ? " last" : "");
+ volnamesz = strlen(volname);
+ padsz = (4 - (volnamesz & 3)) & 3;
+ reqsz = 8 + volnamesz + padsz;
- rxrpc_call_abort(call, -EBADMSG);
- break;
- default:
- BUG();
- }
+ call = afs_alloc_flat_call(&afs_RXVLGetEntryByName, reqsz, 384);
+ if (!call)
+ return -ENOMEM;
- _leave("");
+ call->reply = entry;
+ call->service_id = VL_SERVICE;
+ call->port = htons(AFS_VL_PORT);
+
+ /* marshall the parameters */
+ bp = call->request;
+ *bp++ = htonl(VLGETENTRYBYNAME);
+ *bp++ = htonl(volnamesz);
+ memcpy(bp, volname, volnamesz);
+ if (padsz > 0)
+ memset((void *) bp + volnamesz, 0, padsz);
+
+ /* initiate the call */
+ return afs_make_call(addr, call, GFP_KERNEL, wait_mode);
}
/*
- * handle error events on an async get-entry-by-ID op
- * - called from krxiod
+ * dispatch a get volume entry by ID operation
*/
-static void afs_rxvl_get_entry_by_id_error(struct rxrpc_call *call)
+int afs_vl_get_entry_by_id(struct in_addr *addr,
+ afs_volid_t volid,
+ afs_voltype_t voltype,
+ struct afs_cache_vlocation *entry,
+ const struct afs_wait_mode *wait_mode)
{
- struct afs_async_op *op = call->app_user;
+ struct afs_call *call;
+ __be32 *bp;
- _enter("{op=%p cst=%u}", op, call->app_call_state);
+ _enter("");
- afs_kafsasyncd_attend_op(op);
+ call = afs_alloc_flat_call(&afs_RXVLGetEntryById, 12, 384);
+ if (!call)
+ return -ENOMEM;
- _leave("");
+ call->reply = entry;
+ call->service_id = VL_SERVICE;
+ call->port = htons(AFS_VL_PORT);
+
+ /* marshall the parameters */
+ bp = call->request;
+ *bp++ = htonl(VLGETENTRYBYID);
+ *bp++ = htonl(volid);
+ *bp = htonl(voltype);
+
+ /* initiate the call */
+ return afs_make_call(addr, call, GFP_KERNEL, wait_mode);
}