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Diffstat (limited to 'fs/ceph/addr.c')
-rw-r--r--fs/ceph/addr.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 452e71a1b753..6690269f5dde 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -205,7 +205,7 @@ static int readpage_nounlock(struct file *filp, struct page *page)
dout("readpage inode %p file %p page %p index %lu\n",
inode, filp, page, page->index);
err = ceph_osdc_readpages(osdc, ceph_vino(inode), &ci->i_layout,
- page->index << PAGE_CACHE_SHIFT, &len,
+ (u64) page_offset(page), &len,
ci->i_truncate_seq, ci->i_truncate_size,
&page, 1, 0);
if (err == -ENOENT)
@@ -286,7 +286,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
int nr_pages = 0;
int ret;
- off = page->index << PAGE_CACHE_SHIFT;
+ off = (u64) page_offset(page);
/* count pages */
next_index = page->index;
@@ -308,8 +308,8 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
NULL, 0,
ci->i_truncate_seq, ci->i_truncate_size,
NULL, false, 1, 0);
- if (!req)
- return -ENOMEM;
+ if (IS_ERR(req))
+ return PTR_ERR(req);
/* build page vector */
nr_pages = len >> PAGE_CACHE_SHIFT;
@@ -426,7 +426,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
struct ceph_inode_info *ci;
struct ceph_fs_client *fsc;
struct ceph_osd_client *osdc;
- loff_t page_off = page->index << PAGE_CACHE_SHIFT;
+ loff_t page_off = page_offset(page);
int len = PAGE_CACHE_SIZE;
loff_t i_size;
int err = 0;
@@ -817,8 +817,7 @@ get_more_pages:
/* ok */
if (locked_pages == 0) {
/* prepare async write request */
- offset = (unsigned long long)page->index
- << PAGE_CACHE_SHIFT;
+ offset = (u64) page_offset(page);
len = wsize;
req = ceph_osdc_new_request(&fsc->client->osdc,
&ci->i_layout,
@@ -832,8 +831,8 @@ get_more_pages:
ci->i_truncate_size,
&inode->i_mtime, true, 1, 0);
- if (!req) {
- rc = -ENOMEM;
+ if (IS_ERR(req)) {
+ rc = PTR_ERR(req);
unlock_page(page);
break;
}
@@ -1180,7 +1179,7 @@ static int ceph_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
struct inode *inode = vma->vm_file->f_dentry->d_inode;
struct page *page = vmf->page;
struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
- loff_t off = page->index << PAGE_CACHE_SHIFT;
+ loff_t off = page_offset(page);
loff_t size, len;
int ret;
@@ -1225,6 +1224,7 @@ out:
static struct vm_operations_struct ceph_vmops = {
.fault = filemap_fault,
.page_mkwrite = ceph_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
int ceph_mmap(struct file *file, struct vm_area_struct *vma)
@@ -1235,6 +1235,5 @@ int ceph_mmap(struct file *file, struct vm_area_struct *vma)
return -ENOEXEC;
file_accessed(file);
vma->vm_ops = &ceph_vmops;
- vma->vm_flags |= VM_CAN_NONLINEAR;
return 0;
}