pagelist.c (e5451c8f8330e03ad3cfa16048b4daf961af434f) | pagelist.c (09cbfeaf1a5a67bfb3201e0c83c810cecb2efa5a) |
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1#include <linux/module.h> 2#include <linux/gfp.h> 3#include <linux/slab.h> 4#include <linux/pagemap.h> 5#include <linux/highmem.h> 6#include <linux/ceph/pagelist.h> 7 8static void ceph_pagelist_unmap_tail(struct ceph_pagelist *pl) --- 42 unchanged lines hidden (view full) --- 51} 52 53int ceph_pagelist_append(struct ceph_pagelist *pl, const void *buf, size_t len) 54{ 55 while (pl->room < len) { 56 size_t bit = pl->room; 57 int ret; 58 | 1#include <linux/module.h> 2#include <linux/gfp.h> 3#include <linux/slab.h> 4#include <linux/pagemap.h> 5#include <linux/highmem.h> 6#include <linux/ceph/pagelist.h> 7 8static void ceph_pagelist_unmap_tail(struct ceph_pagelist *pl) --- 42 unchanged lines hidden (view full) --- 51} 52 53int ceph_pagelist_append(struct ceph_pagelist *pl, const void *buf, size_t len) 54{ 55 while (pl->room < len) { 56 size_t bit = pl->room; 57 int ret; 58 |
59 memcpy(pl->mapped_tail + (pl->length & ~PAGE_CACHE_MASK), | 59 memcpy(pl->mapped_tail + (pl->length & ~PAGE_MASK), |
60 buf, bit); 61 pl->length += bit; 62 pl->room -= bit; 63 buf += bit; 64 len -= bit; 65 ret = ceph_pagelist_addpage(pl); 66 if (ret) 67 return ret; 68 } 69 | 60 buf, bit); 61 pl->length += bit; 62 pl->room -= bit; 63 buf += bit; 64 len -= bit; 65 ret = ceph_pagelist_addpage(pl); 66 if (ret) 67 return ret; 68 } 69 |
70 memcpy(pl->mapped_tail + (pl->length & ~PAGE_CACHE_MASK), buf, len); | 70 memcpy(pl->mapped_tail + (pl->length & ~PAGE_MASK), buf, len); |
71 pl->length += len; 72 pl->room -= len; 73 return 0; 74} 75EXPORT_SYMBOL(ceph_pagelist_append); 76 77/* Allocate enough pages for a pagelist to append the given amount 78 * of data without without allocating. --- 72 unchanged lines hidden --- | 71 pl->length += len; 72 pl->room -= len; 73 return 0; 74} 75EXPORT_SYMBOL(ceph_pagelist_append); 76 77/* Allocate enough pages for a pagelist to append the given amount 78 * of data without without allocating. --- 72 unchanged lines hidden --- |