X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fnfs%2Fdirect.c;h=08f6b040d289d9ecb26979342bdf478db3c5a0b8;hb=96d6d72d4e6969dba026496917d82b311d74c3ca;hp=16844f98f50e4b6f6ad24eea74470fb6da263adf;hpb=b5eb9513f7c1bee862ada22bf1489f53752686bd;p=linux-2.6 diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 16844f98f5..08f6b040d2 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -229,14 +229,20 @@ static void nfs_direct_complete(struct nfs_direct_req *dreq) static void nfs_direct_read_result(struct rpc_task *task, void *calldata) { struct nfs_read_data *data = calldata; - struct nfs_direct_req *dreq = (struct nfs_direct_req *) data->req; - if (nfs_readpage_result(task, data) != 0) - return; + nfs_readpage_result(task, data); +} + +static void nfs_direct_read_release(void *calldata) +{ + + struct nfs_read_data *data = calldata; + struct nfs_direct_req *dreq = (struct nfs_direct_req *) data->req; + int status = data->task.tk_status; spin_lock(&dreq->lock); - if (unlikely(task->tk_status < 0)) { - dreq->error = task->tk_status; + if (unlikely(status < 0)) { + dreq->error = status; spin_unlock(&dreq->lock); } else { dreq->count += data->res.count; @@ -249,11 +255,12 @@ static void nfs_direct_read_result(struct rpc_task *task, void *calldata) if (put_dreq(dreq)) nfs_direct_complete(dreq); + nfs_readdata_release(calldata); } static const struct rpc_call_ops nfs_read_direct_ops = { .rpc_call_done = nfs_direct_read_result, - .rpc_release = nfs_readdata_release, + .rpc_release = nfs_direct_read_release, }; /* @@ -280,6 +287,7 @@ static ssize_t nfs_direct_read_schedule_segment(struct nfs_direct_req *dreq, .rpc_client = NFS_CLIENT(inode), .rpc_message = &msg, .callback_ops = &nfs_read_direct_ops, + .workqueue = nfsiod_workqueue, .flags = RPC_TASK_ASYNC, }; unsigned int pgbase; @@ -323,7 +331,7 @@ static ssize_t nfs_direct_read_schedule_segment(struct nfs_direct_req *dreq, data->inode = inode; data->cred = msg.rpc_cred; data->args.fh = NFS_FH(inode); - data->args.context = ctx; + data->args.context = get_nfs_open_context(ctx); data->args.offset = pos; data->args.pgbase = pgbase; data->args.pages = data->pagevec; @@ -339,8 +347,9 @@ static ssize_t nfs_direct_read_schedule_segment(struct nfs_direct_req *dreq, NFS_PROTO(inode)->read_setup(data, &msg); task = rpc_run_task(&task_setup_data); - if (!IS_ERR(task)) - rpc_put_task(task); + if (IS_ERR(task)) + break; + rpc_put_task(task); dprintk("NFS: %5u initiated direct read call " "(req %s/%Ld, %zu bytes @ offset %Lu)\n", @@ -446,6 +455,7 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq) struct rpc_task_setup task_setup_data = { .rpc_client = NFS_CLIENT(inode), .callback_ops = &nfs_write_direct_ops, + .workqueue = nfsiod_workqueue, .flags = RPC_TASK_ASYNC, }; @@ -499,27 +509,34 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq) static void nfs_direct_commit_result(struct rpc_task *task, void *calldata) { struct nfs_write_data *data = calldata; - struct nfs_direct_req *dreq = (struct nfs_direct_req *) data->req; /* Call the NFS version-specific code */ - if (NFS_PROTO(data->inode)->commit_done(task, data) != 0) - return; - if (unlikely(task->tk_status < 0)) { + NFS_PROTO(data->inode)->commit_done(task, data); +} + +static void nfs_direct_commit_release(void *calldata) +{ + struct nfs_write_data *data = calldata; + struct nfs_direct_req *dreq = (struct nfs_direct_req *) data->req; + int status = data->task.tk_status; + + if (status < 0) { dprintk("NFS: %5u commit failed with error %d.\n", - task->tk_pid, task->tk_status); + data->task.tk_pid, status); dreq->flags = NFS_ODIRECT_RESCHED_WRITES; } else if (memcmp(&dreq->verf, &data->verf, sizeof(data->verf))) { - dprintk("NFS: %5u commit verify failed\n", task->tk_pid); + dprintk("NFS: %5u commit verify failed\n", data->task.tk_pid); dreq->flags = NFS_ODIRECT_RESCHED_WRITES; } - dprintk("NFS: %5u commit returned %d\n", task->tk_pid, task->tk_status); + dprintk("NFS: %5u commit returned %d\n", data->task.tk_pid, status); nfs_direct_write_complete(dreq, data->inode); + nfs_commitdata_release(calldata); } static const struct rpc_call_ops nfs_commit_direct_ops = { .rpc_call_done = nfs_direct_commit_result, - .rpc_release = nfs_commit_release, + .rpc_release = nfs_direct_commit_release, }; static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq) @@ -537,6 +554,7 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq) .rpc_message = &msg, .callback_ops = &nfs_commit_direct_ops, .callback_data = data, + .workqueue = nfsiod_workqueue, .flags = RPC_TASK_ASYNC, }; @@ -546,6 +564,7 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq) data->args.fh = NFS_FH(data->inode); data->args.offset = 0; data->args.count = 0; + data->args.context = get_nfs_open_context(dreq->ctx); data->res.count = 0; data->res.fattr = &data->fattr; data->res.verf = &data->verf; @@ -585,7 +604,7 @@ static void nfs_direct_write_complete(struct nfs_direct_req *dreq, struct inode static void nfs_alloc_commit_data(struct nfs_direct_req *dreq) { - dreq->commit_data = nfs_commit_alloc(); + dreq->commit_data = nfs_commitdata_alloc(); if (dreq->commit_data != NULL) dreq->commit_data->req = (struct nfs_page *) dreq; } @@ -606,11 +625,20 @@ static void nfs_direct_write_complete(struct nfs_direct_req *dreq, struct inode static void nfs_direct_write_result(struct rpc_task *task, void *calldata) { struct nfs_write_data *data = calldata; - struct nfs_direct_req *dreq = (struct nfs_direct_req *) data->req; - int status = task->tk_status; if (nfs_writeback_done(task, data) != 0) return; +} + +/* + * NB: Return the value of the first error return code. Subsequent + * errors after the first one are ignored. + */ +static void nfs_direct_write_release(void *calldata) +{ + struct nfs_write_data *data = calldata; + struct nfs_direct_req *dreq = (struct nfs_direct_req *) data->req; + int status = data->task.tk_status; spin_lock(&dreq->lock); @@ -632,23 +660,13 @@ static void nfs_direct_write_result(struct rpc_task *task, void *calldata) break; case NFS_ODIRECT_DO_COMMIT: if (memcmp(&dreq->verf, &data->verf, sizeof(dreq->verf))) { - dprintk("NFS: %5u write verify failed\n", task->tk_pid); + dprintk("NFS: %5u write verify failed\n", data->task.tk_pid); dreq->flags = NFS_ODIRECT_RESCHED_WRITES; } } } out_unlock: spin_unlock(&dreq->lock); -} - -/* - * NB: Return the value of the first error return code. Subsequent - * errors after the first one are ignored. - */ -static void nfs_direct_write_release(void *calldata) -{ - struct nfs_write_data *data = calldata; - struct nfs_direct_req *dreq = (struct nfs_direct_req *) data->req; if (put_dreq(dreq)) nfs_direct_write_complete(dreq, data->inode); @@ -682,6 +700,7 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_direct_req *dreq, .rpc_client = NFS_CLIENT(inode), .rpc_message = &msg, .callback_ops = &nfs_write_direct_ops, + .workqueue = nfsiod_workqueue, .flags = RPC_TASK_ASYNC, }; size_t wsize = NFS_SERVER(inode)->wsize; @@ -728,7 +747,7 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_direct_req *dreq, data->inode = inode; data->cred = msg.rpc_cred; data->args.fh = NFS_FH(inode); - data->args.context = ctx; + data->args.context = get_nfs_open_context(ctx); data->args.offset = pos; data->args.pgbase = pgbase; data->args.pages = data->pagevec; @@ -745,8 +764,9 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_direct_req *dreq, NFS_PROTO(inode)->write_setup(data, &msg); task = rpc_run_task(&task_setup_data); - if (!IS_ERR(task)) - rpc_put_task(task); + if (IS_ERR(task)) + break; + rpc_put_task(task); dprintk("NFS: %5u initiated direct write call " "(req %s/%Ld, %zu bytes @ offset %Lu)\n", @@ -870,7 +890,7 @@ ssize_t nfs_file_direct_read(struct kiocb *iocb, const struct iovec *iov, count = iov_length(iov, nr_segs); nfs_add_stats(mapping->host, NFSIOS_DIRECTREADBYTES, count); - dprintk("nfs: direct read(%s/%s, %zd@%Ld)\n", + dfprintk(FILE, "NFS: direct read(%s/%s, %zd@%Ld)\n", file->f_path.dentry->d_parent->d_name.name, file->f_path.dentry->d_name.name, count, (long long) pos); @@ -927,7 +947,7 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, const struct iovec *iov, count = iov_length(iov, nr_segs); nfs_add_stats(mapping->host, NFSIOS_DIRECTWRITTENBYTES, count); - dfprintk(VFS, "nfs: direct write(%s/%s, %zd@%Ld)\n", + dfprintk(FILE, "NFS: direct write(%s/%s, %zd@%Ld)\n", file->f_path.dentry->d_parent->d_name.name, file->f_path.dentry->d_name.name, count, (long long) pos);