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Diffstat (limited to 'fs/afs/fsclient.c')
-rw-r--r--fs/afs/fsclient.c137
1 files changed, 94 insertions, 43 deletions
diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index 7d37f63ef0f0..bc9556991d7c 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -290,6 +290,7 @@ void afs_fs_fetch_status(struct afs_operation *op)
bp[2] = htonl(vp->fid.vnode);
bp[3] = htonl(vp->fid.unique);
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -300,18 +301,19 @@ void afs_fs_fetch_status(struct afs_operation *op)
static int afs_deliver_fs_fetch_data(struct afs_call *call)
{
struct afs_operation *op = call->op;
+ struct netfs_io_subrequest *subreq = op->fetch.subreq;
struct afs_vnode_param *vp = &op->file[0];
- struct afs_read *req = op->fetch.req;
const __be32 *bp;
+ size_t count_before;
int ret;
_enter("{%u,%zu,%zu/%llu}",
call->unmarshall, call->iov_len, iov_iter_count(call->iter),
- req->actual_len);
+ call->remaining);
switch (call->unmarshall) {
case 0:
- req->actual_len = 0;
+ call->remaining = 0;
call->unmarshall++;
if (call->operation_ID == FSFETCHDATA64) {
afs_extract_to_tmp64(call);
@@ -321,8 +323,8 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
}
fallthrough;
- /* Extract the returned data length into
- * ->actual_len. This may indicate more or less data than was
+ /* Extract the returned data length into ->remaining.
+ * This may indicate more or less data than was
* requested will be returned.
*/
case 1:
@@ -331,38 +333,40 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
if (ret < 0)
return ret;
- req->actual_len = be64_to_cpu(call->tmp64);
- _debug("DATA length: %llu", req->actual_len);
+ call->remaining = be64_to_cpu(call->tmp64);
+ _debug("DATA length: %llu", call->remaining);
- if (req->actual_len == 0)
+ if (call->remaining == 0)
goto no_more_data;
- call->iter = req->iter;
- call->iov_len = min(req->actual_len, req->len);
+ call->iter = &subreq->io_iter;
+ call->iov_len = umin(call->remaining, subreq->len - subreq->transferred);
call->unmarshall++;
fallthrough;
/* extract the returned data */
case 2:
- _debug("extract data %zu/%llu",
- iov_iter_count(call->iter), req->actual_len);
+ count_before = call->iov_len;
+ _debug("extract data %zu/%llu", count_before, call->remaining);
ret = afs_extract_data(call, true);
+ subreq->transferred += count_before - call->iov_len;
+ call->remaining -= count_before - call->iov_len;
if (ret < 0)
return ret;
call->iter = &call->def_iter;
- if (req->actual_len <= req->len)
+ if (call->remaining)
goto no_more_data;
/* Discard any excess data the server gave us */
- afs_extract_discard(call, req->actual_len - req->len);
+ afs_extract_discard(call, call->remaining);
call->unmarshall = 3;
fallthrough;
case 3:
_debug("extract discard %zu/%llu",
- iov_iter_count(call->iter), req->actual_len - req->len);
+ iov_iter_count(call->iter), call->remaining);
ret = afs_extract_data(call, true);
if (ret < 0)
@@ -384,8 +388,8 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
xdr_decode_AFSCallBack(&bp, call, &vp->scb);
xdr_decode_AFSVolSync(&bp, &op->volsync);
- req->data_version = vp->scb.status.data_version;
- req->file_size = vp->scb.status.size;
+ if (subreq->start + subreq->transferred >= vp->scb.status.size)
+ __set_bit(NETFS_SREQ_HIT_EOF, &subreq->flags);
call->unmarshall++;
fallthrough;
@@ -404,14 +408,18 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
static const struct afs_call_type afs_RXFSFetchData = {
.name = "FS.FetchData",
.op = afs_FS_FetchData,
+ .async_rx = afs_fetch_data_async_rx,
.deliver = afs_deliver_fs_fetch_data,
+ .immediate_cancel = afs_fetch_data_immediate_cancel,
.destructor = afs_flat_call_destructor,
};
static const struct afs_call_type afs_RXFSFetchData64 = {
.name = "FS.FetchData64",
.op = afs_FS_FetchData64,
+ .async_rx = afs_fetch_data_async_rx,
.deliver = afs_deliver_fs_fetch_data,
+ .immediate_cancel = afs_fetch_data_immediate_cancel,
.destructor = afs_flat_call_destructor,
};
@@ -420,8 +428,8 @@ static const struct afs_call_type afs_RXFSFetchData64 = {
*/
static void afs_fs_fetch_data64(struct afs_operation *op)
{
+ struct netfs_io_subrequest *subreq = op->fetch.subreq;
struct afs_vnode_param *vp = &op->file[0];
- struct afs_read *req = op->fetch.req;
struct afs_call *call;
__be32 *bp;
@@ -431,17 +439,21 @@ static void afs_fs_fetch_data64(struct afs_operation *op)
if (!call)
return afs_op_nomem(op);
+ if (op->flags & AFS_OPERATION_ASYNC)
+ call->async = true;
+
/* marshall the parameters */
bp = call->request;
bp[0] = htonl(FSFETCHDATA64);
bp[1] = htonl(vp->fid.vid);
bp[2] = htonl(vp->fid.vnode);
bp[3] = htonl(vp->fid.unique);
- bp[4] = htonl(upper_32_bits(req->pos));
- bp[5] = htonl(lower_32_bits(req->pos));
+ bp[4] = htonl(upper_32_bits(subreq->start + subreq->transferred));
+ bp[5] = htonl(lower_32_bits(subreq->start + subreq->transferred));
bp[6] = 0;
- bp[7] = htonl(lower_32_bits(req->len));
+ bp[7] = htonl(lower_32_bits(subreq->len - subreq->transferred));
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -451,9 +463,9 @@ static void afs_fs_fetch_data64(struct afs_operation *op)
*/
void afs_fs_fetch_data(struct afs_operation *op)
{
+ struct netfs_io_subrequest *subreq = op->fetch.subreq;
struct afs_vnode_param *vp = &op->file[0];
struct afs_call *call;
- struct afs_read *req = op->fetch.req;
__be32 *bp;
if (test_bit(AFS_SERVER_FL_HAS_FS64, &op->server->flags))
@@ -465,17 +477,16 @@ void afs_fs_fetch_data(struct afs_operation *op)
if (!call)
return afs_op_nomem(op);
- req->call_debug_id = call->debug_id;
-
/* marshall the parameters */
bp = call->request;
bp[0] = htonl(FSFETCHDATA);
bp[1] = htonl(vp->fid.vid);
bp[2] = htonl(vp->fid.vnode);
bp[3] = htonl(vp->fid.unique);
- bp[4] = htonl(lower_32_bits(req->pos));
- bp[5] = htonl(lower_32_bits(req->len));
+ bp[4] = htonl(lower_32_bits(subreq->start + subreq->transferred));
+ bp[5] = htonl(lower_32_bits(subreq->len + subreq->transferred));
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -559,6 +570,7 @@ void afs_fs_create_file(struct afs_operation *op)
*bp++ = htonl(op->create.mode & S_IALLUGO); /* unix mode */
*bp++ = 0; /* segment size */
+ call->fid = dvp->fid;
trace_afs_make_fs_call1(call, &dvp->fid, name);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -612,6 +624,7 @@ void afs_fs_make_dir(struct afs_operation *op)
*bp++ = htonl(op->create.mode & S_IALLUGO); /* unix mode */
*bp++ = 0; /* segment size */
+ call->fid = dvp->fid;
trace_afs_make_fs_call1(call, &dvp->fid, name);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -685,6 +698,7 @@ void afs_fs_remove_file(struct afs_operation *op)
bp = (void *) bp + padsz;
}
+ call->fid = dvp->fid;
trace_afs_make_fs_call1(call, &dvp->fid, name);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -732,6 +746,7 @@ void afs_fs_remove_dir(struct afs_operation *op)
bp = (void *) bp + padsz;
}
+ call->fid = dvp->fid;
trace_afs_make_fs_call1(call, &dvp->fid, name);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -812,6 +827,7 @@ void afs_fs_link(struct afs_operation *op)
*bp++ = htonl(vp->fid.vnode);
*bp++ = htonl(vp->fid.unique);
+ call->fid = vp->fid;
trace_afs_make_fs_call1(call, &vp->fid, name);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -907,6 +923,7 @@ void afs_fs_symlink(struct afs_operation *op)
*bp++ = htonl(S_IRWXUGO); /* unix mode */
*bp++ = 0; /* segment size */
+ call->fid = dvp->fid;
trace_afs_make_fs_call1(call, &dvp->fid, name);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1003,6 +1020,7 @@ void afs_fs_rename(struct afs_operation *op)
bp = (void *) bp + n_padsz;
}
+ call->fid = orig_dvp->fid;
trace_afs_make_fs_call2(call, &orig_dvp->fid, orig_name, new_name);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1090,6 +1108,7 @@ static void afs_fs_store_data64(struct afs_operation *op)
*bp++ = htonl(upper_32_bits(op->store.i_size));
*bp++ = htonl(lower_32_bits(op->store.i_size));
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1140,6 +1159,7 @@ void afs_fs_store_data(struct afs_operation *op)
*bp++ = htonl(lower_32_bits(op->store.size));
*bp++ = htonl(lower_32_bits(op->store.i_size));
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1206,6 +1226,7 @@ static void afs_fs_setattr_size64(struct afs_operation *op)
*bp++ = htonl(upper_32_bits(attr->ia_size)); /* new file length */
*bp++ = htonl(lower_32_bits(attr->ia_size));
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1247,6 +1268,7 @@ static void afs_fs_setattr_size(struct afs_operation *op)
*bp++ = 0; /* size of write */
*bp++ = htonl(attr->ia_size); /* new file length */
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1283,6 +1305,7 @@ void afs_fs_setattr(struct afs_operation *op)
xdr_encode_AFS_StoreStatus(&bp, op->setattr.attr);
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1446,6 +1469,7 @@ void afs_fs_get_volume_status(struct afs_operation *op)
bp[0] = htonl(FSGETVOLUMESTATUS);
bp[1] = htonl(vp->fid.vid);
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1528,6 +1552,7 @@ void afs_fs_set_lock(struct afs_operation *op)
*bp++ = htonl(vp->fid.unique);
*bp++ = htonl(op->lock.type);
+ call->fid = vp->fid;
trace_afs_make_fs_calli(call, &vp->fid, op->lock.type);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1554,6 +1579,7 @@ void afs_fs_extend_lock(struct afs_operation *op)
*bp++ = htonl(vp->fid.vnode);
*bp++ = htonl(vp->fid.unique);
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1580,6 +1606,7 @@ void afs_fs_release_lock(struct afs_operation *op)
*bp++ = htonl(vp->fid.vnode);
*bp++ = htonl(vp->fid.unique);
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -1605,13 +1632,12 @@ static const struct afs_call_type afs_RXFSGiveUpAllCallBacks = {
/*
* Flush all the callbacks we have on a server.
*/
-int afs_fs_give_up_all_callbacks(struct afs_net *net,
- struct afs_server *server,
- struct afs_addr_cursor *ac,
- struct key *key)
+int afs_fs_give_up_all_callbacks(struct afs_net *net, struct afs_server *server,
+ struct afs_address *addr, struct key *key)
{
struct afs_call *call;
__be32 *bp;
+ int ret;
_enter("");
@@ -1619,15 +1645,22 @@ int afs_fs_give_up_all_callbacks(struct afs_net *net,
if (!call)
return -ENOMEM;
- call->key = key;
+ call->key = key;
+ call->peer = rxrpc_kernel_get_peer(addr->peer);
+ call->service_id = server->service_id;
/* marshall the parameters */
bp = call->request;
*bp++ = htonl(FSGIVEUPALLCALLBACKS);
- call->server = afs_use_server(server, afs_server_trace_give_up_cb);
- afs_make_call(ac, call, GFP_NOFS);
- return afs_wait_for_call_to_complete(call, ac);
+ call->server = afs_use_server(server, false, afs_server_trace_use_give_up_cb);
+ afs_make_call(call, GFP_NOFS);
+ afs_wait_for_call_to_complete(call);
+ ret = call->error;
+ if (call->responded)
+ set_bit(AFS_SERVER_FL_RESPONDING, &server->flags);
+ afs_put_call(call);
+ return ret;
}
/*
@@ -1689,6 +1722,12 @@ static int afs_deliver_fs_get_capabilities(struct afs_call *call)
return 0;
}
+static void afs_fs_get_capabilities_destructor(struct afs_call *call)
+{
+ afs_put_endpoint_state(call->probe, afs_estate_trace_put_getcaps);
+ afs_flat_call_destructor(call);
+}
+
/*
* FS.GetCapabilities operation type
*/
@@ -1697,7 +1736,8 @@ static const struct afs_call_type afs_RXFSGetCapabilities = {
.op = afs_FS_GetCapabilities,
.deliver = afs_deliver_fs_get_capabilities,
.done = afs_fileserver_probe_result,
- .destructor = afs_flat_call_destructor,
+ .immediate_cancel = afs_fileserver_probe_result,
+ .destructor = afs_fs_get_capabilities_destructor,
};
/*
@@ -1707,7 +1747,8 @@ static const struct afs_call_type afs_RXFSGetCapabilities = {
* ->done() - otherwise we return false to indicate we didn't even try.
*/
bool afs_fs_get_capabilities(struct afs_net *net, struct afs_server *server,
- struct afs_addr_cursor *ac, struct key *key)
+ struct afs_endpoint_state *estate, unsigned int addr_index,
+ struct key *key)
{
struct afs_call *call;
__be32 *bp;
@@ -1718,10 +1759,14 @@ bool afs_fs_get_capabilities(struct afs_net *net, struct afs_server *server,
if (!call)
return false;
- call->key = key;
- call->server = afs_use_server(server, afs_server_trace_get_caps);
- call->upgrade = true;
- call->async = true;
+ call->key = key;
+ call->server = afs_use_server(server, false, afs_server_trace_use_get_caps);
+ call->peer = rxrpc_kernel_get_peer(estate->addresses->addrs[addr_index].peer);
+ call->probe = afs_get_endpoint_state(estate, afs_estate_trace_get_getcaps);
+ call->probe_index = addr_index;
+ call->service_id = server->service_id;
+ call->upgrade = true;
+ call->async = true;
call->max_lifespan = AFS_PROBE_MAX_LIFESPAN;
/* marshall the parameters */
@@ -1729,7 +1774,7 @@ bool afs_fs_get_capabilities(struct afs_net *net, struct afs_server *server,
*bp++ = htonl(FSGETCAPABILITIES);
trace_afs_make_fs_call(call, NULL);
- afs_make_call(ac, call, GFP_NOFS);
+ afs_make_call(call, GFP_NOFS);
afs_put_call(call);
return true;
}
@@ -1853,7 +1898,10 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call)
return ret;
bp = call->buffer;
- xdr_decode_AFSVolSync(&bp, &op->volsync);
+ /* Unfortunately, prior to OpenAFS-1.6, volsync here is filled
+ * with rubbish.
+ */
+ xdr_decode_AFSVolSync(&bp, NULL);
call->unmarshall++;
fallthrough;
@@ -1899,7 +1947,7 @@ void afs_fs_inline_bulk_status(struct afs_operation *op)
int i;
if (test_bit(AFS_SERVER_FL_NO_IBULK, &op->server->flags)) {
- op->error = -ENOTSUPP;
+ afs_op_set_error(op, -ENOTSUPP);
return;
}
@@ -1928,6 +1976,7 @@ void afs_fs_inline_bulk_status(struct afs_operation *op)
*bp++ = htonl(op->more_files[i].fid.unique);
}
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_NOFS);
}
@@ -2033,6 +2082,7 @@ void afs_fs_fetch_acl(struct afs_operation *op)
bp[2] = htonl(vp->fid.vnode);
bp[3] = htonl(vp->fid.unique);
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_KERNEL);
}
@@ -2078,6 +2128,7 @@ void afs_fs_store_acl(struct afs_operation *op)
if (acl->size != size)
memset((void *)&bp[5] + acl->size, 0, size - acl->size);
+ call->fid = vp->fid;
trace_afs_make_fs_call(call, &vp->fid);
afs_make_op_call(op, call, GFP_KERNEL);
}