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Diffstat (limited to 'fs/afs/fsclient.c')
-rw-r--r--fs/afs/fsclient.c62
1 files changed, 33 insertions, 29 deletions
diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index 098fa034a1cc..1d9ecd5418d8 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -301,19 +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);
@@ -323,8 +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:
@@ -333,42 +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:
count_before = call->iov_len;
- _debug("extract data %zu/%llu", count_before, req->actual_len);
+ _debug("extract data %zu/%llu", count_before, call->remaining);
ret = afs_extract_data(call, true);
- if (req->subreq) {
- req->subreq->transferred += count_before - call->iov_len;
- netfs_read_subreq_progress(req->subreq, false);
- }
+ 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)
@@ -390,8 +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;
@@ -410,14 +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,
};
@@ -426,8 +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;
@@ -437,16 +439,19 @@ 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);
@@ -458,9 +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))
@@ -472,16 +477,14 @@ 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);
@@ -1733,6 +1736,7 @@ static const struct afs_call_type afs_RXFSGetCapabilities = {
.op = afs_FS_GetCapabilities,
.deliver = afs_deliver_fs_get_capabilities,
.done = afs_fileserver_probe_result,
+ .immediate_cancel = afs_fileserver_probe_result,
.destructor = afs_fs_get_capabilities_destructor,
};
generated by cgit v1.2.3 (git 2.39.0) at 2025-04-30 11:33:43 +0300