direct.c (35754bc00e94e598c432ad02f7a3d3063c4402e3) direct.c (6296556f0b31eaff29f2a3aee2c17b7eae895b98)
1/*
2 * linux/fs/nfs/direct.c
3 *
4 * Copyright (C) 2003 by Chuck Lever <cel@netapp.com>
5 *
6 * High-performance uncached I/O for the Linux NFS client
7 *
8 * There are important applications whose performance or correctness

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41#include <linux/errno.h>
42#include <linux/sched.h>
43#include <linux/kernel.h>
44#include <linux/file.h>
45#include <linux/pagemap.h>
46#include <linux/kref.h>
47#include <linux/slab.h>
48#include <linux/task_io_accounting_ops.h>
1/*
2 * linux/fs/nfs/direct.c
3 *
4 * Copyright (C) 2003 by Chuck Lever <cel@netapp.com>
5 *
6 * High-performance uncached I/O for the Linux NFS client
7 *
8 * There are important applications whose performance or correctness

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41#include <linux/errno.h>
42#include <linux/sched.h>
43#include <linux/kernel.h>
44#include <linux/file.h>
45#include <linux/pagemap.h>
46#include <linux/kref.h>
47#include <linux/slab.h>
48#include <linux/task_io_accounting_ops.h>
49#include <linux/module.h>
49
50#include <linux/nfs_fs.h>
51#include <linux/nfs_page.h>
52#include <linux/sunrpc/clnt.h>
53
54#include <asm/uaccess.h>
55#include <linux/atomic.h>
56

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186 kmem_cache_free(nfs_direct_cachep, dreq);
187}
188
189static void nfs_direct_req_release(struct nfs_direct_req *dreq)
190{
191 kref_put(&dreq->kref, nfs_direct_req_free);
192}
193
50
51#include <linux/nfs_fs.h>
52#include <linux/nfs_page.h>
53#include <linux/sunrpc/clnt.h>
54
55#include <asm/uaccess.h>
56#include <linux/atomic.h>
57

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187 kmem_cache_free(nfs_direct_cachep, dreq);
188}
189
190static void nfs_direct_req_release(struct nfs_direct_req *dreq)
191{
192 kref_put(&dreq->kref, nfs_direct_req_free);
193}
194
195ssize_t nfs_dreq_bytes_left(struct nfs_direct_req *dreq)
196{
197 return dreq->bytes_left;
198}
199EXPORT_SYMBOL_GPL(nfs_dreq_bytes_left);
200
194/*
195 * Collects and returns the final error value/byte-count.
196 */
197static ssize_t nfs_direct_wait(struct nfs_direct_req *dreq)
198{
199 ssize_t result = -EIOCBQUEUED;
200
201 /* Async requests don't wait here */

--- 834 unchanged lines hidden --- 		201/*
202 * Collects and returns the final error value/byte-count.
203 */
204static ssize_t nfs_direct_wait(struct nfs_direct_req *dreq)
205{
206 ssize_t result = -EIOCBQUEUED;
207
208 /* Async requests don't wait here */

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