diff options
Diffstat (limited to 'fs/nfs/sock.c')
| -rw-r--r-- | fs/nfs/sock.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/fs/nfs/sock.c b/fs/nfs/sock.c deleted file mode 100644 index 6191cfeb3..000000000 --- a/fs/nfs/sock.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * linux/fs/nfs/sock.c - * - * Copyright (C) 1992, 1993 Rick Sladkey - * - * low-level nfs remote procedure call interface - * - * FIXES - * - * 2/7/94 James Bottomley and Jon Peatfield DAMTP, Cambridge University - * - * An xid mismatch no longer causes the request to be trashed. - * - * Peter Eriksson - incorrect XID used to confuse Linux - * Florian La Roche - use the correct max size, if reading a packet and - * also verify, if the whole packet has been read... - * more checks should be done in proc.c... - * - */ - -#include <linux/sched.h> -#include <linux/nfs_fs.h> -#include <linux/errno.h> -#include <linux/socket.h> -#include <linux/fcntl.h> -#include <linux/in.h> -#include <linux/net.h> -#include <linux/mm.h> -#include <linux/rpcsock.h> - -#include <asm/uaccess.h> - -#define _S(nr) (1<<((nr)-1)) - -/* - * Place a synchronous call to the NFS server, meaning that the process - * sleeps in rpc_call until it either receives a reply or a major timeout - * occurs. - * This is now merely a front-end to nfs_rpc_doio. - */ -int -nfs_rpc_call(struct nfs_server *server, int *start, int *end, int size) -{ - struct rpc_ioreq req; - - size += 1024; /* account for NFS slack space. ugly */ - - req.rq_addr = &server->toaddr; - req.rq_alen = sizeof(server->toaddr); - req.rq_slot = NULL; - - req.rq_svec[0].iov_base = start; - req.rq_svec[0].iov_len = (end - start) << 2; - req.rq_slen = (end - start) << 2; - req.rq_snr = 1; - req.rq_rvec[0].iov_base = start; - req.rq_rvec[0].iov_len = size; - req.rq_rlen = size; - req.rq_rnr = 1; - - return nfs_rpc_doio(server, &req, 0); -} - -int -nfs_rpc_doio(struct nfs_server *server, struct rpc_ioreq *req, int async) -{ - struct rpc_timeout timeout; - unsigned long maxtimeo; - unsigned long oldmask; - int major_timeout_seen, result; - - timeout.to_initval = server->timeo; - timeout.to_maxval = NFS_MAX_RPC_TIMEOUT*HZ/10; - timeout.to_retries = server->retrans; - timeout.to_exponential = 1; - - oldmask = current->blocked; - current->blocked |= ~(_S(SIGKILL) - | ((server->flags & NFS_MOUNT_INTR) - ? ((current->sig->action[SIGINT - 1].sa_handler == SIG_DFL - ? _S(SIGINT) : 0) - | (current->sig->action[SIGQUIT - 1].sa_handler == SIG_DFL - ? _S(SIGQUIT) : 0)) - : 0)); - - major_timeout_seen = 0; - maxtimeo = timeout.to_maxval; - - do { - result = rpc_doio(server->rsock, req, &timeout, async); - rpc_release(server->rsock, req); /* Release slot */ - - if (current->signal & ~current->blocked) - result = -ERESTARTSYS; - if (result == -ETIMEDOUT) { - if (async) - break; - if (server->flags & NFS_MOUNT_SOFT) { - printk("NFS server %s not responding, " - "timed out.\n", server->hostname); - result = -EIO; - break; - } - if (!major_timeout_seen) { -#if defined(CONFIG_SGISEEQ) && 1 - extern void sgiseeq_dump_rings(void); - extern void sgiseeq_my_reset(void); -#endif - printk("NFS server %s not responding, " - "still trying.\n", server->hostname); - major_timeout_seen = 1; -#if defined(CONFIG_SGISEEQ) && 1 - sgiseeq_dump_rings(); - sgiseeq_my_reset(); -#endif - } - if ((timeout.to_initval <<= 1) >= maxtimeo) { - timeout.to_initval = maxtimeo; - } - } else if (result < 0 && result != -ERESTARTSYS) { - printk("NFS: notice message: result = %d.\n", result); - } - } while (result == -ETIMEDOUT && !(server->flags & NFS_MOUNT_SOFT)); - - if (result >= 0 && major_timeout_seen) - printk("NFS server %s OK.\n", server->hostname); - /* 20 is the minimum RPC reply header size */ - if (result >= 0 && result < 20) { - printk("NFS: too small read memory size (%d bytes)\n", result); - result = -EIO; - } - - current->blocked = oldmask; - return result; -} |