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ceph: fix comment, remove extraneous args

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The offset/length arguments aren't used.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-11-09 12:24:53 -08:00
parent d8672d64b8
commit e98b6fed84
3 changed files with 11 additions and 15 deletions
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20
fs/ceph/file.c
View file

@ -376,21 +376,19 @@ static ssize_t ceph_sync_read(struct file *file, char __user *data,
dout("sync_read on file %p %llu~%u %s\n", file, off, len, dout("sync_read on file %p %llu~%u %s\n", file, off, len,
(file->f_flags & O_DIRECT) ? "O_DIRECT" : ""); (file->f_flags & O_DIRECT) ? "O_DIRECT" : "");
if (file->f_flags & O_DIRECT) { if (file->f_flags & O_DIRECT)
pages = ceph_get_direct_page_vector(data, num_pages, off, len); pages = ceph_get_direct_page_vector(data, num_pages);
else
/*
* flush any page cache pages in this range. this
* will make concurrent normal and O_DIRECT io slow,
* but it will at least behave sensibly when they are
* in sequence.
*/
} else {
pages = ceph_alloc_page_vector(num_pages, GFP_NOFS); pages = ceph_alloc_page_vector(num_pages, GFP_NOFS);
}
if (IS_ERR(pages)) if (IS_ERR(pages))
return PTR_ERR(pages); return PTR_ERR(pages);
/*
* flush any page cache pages in this range. this
* will make concurrent normal and sync io slow,
* but it will at least behave sensibly when they are
* in sequence.
*/
ret = filemap_write_and_wait(inode->i_mapping); ret = filemap_write_and_wait(inode->i_mapping);
if (ret < 0) if (ret < 0)
goto done; goto done;

3
include/linux/ceph/libceph.h
View file

@ -227,8 +227,7 @@ extern int ceph_open_session(struct ceph_client *client);
extern void ceph_release_page_vector(struct page **pages, int num_pages); extern void ceph_release_page_vector(struct page **pages, int num_pages);
extern struct page **ceph_get_direct_page_vector(const char __user *data, extern struct page **ceph_get_direct_page_vector(const char __user *data,
int num_pages, int num_pages);
loff_t off, size_t len);
extern void ceph_put_page_vector(struct page **pages, int num_pages); extern void ceph_put_page_vector(struct page **pages, int num_pages);
extern void ceph_release_page_vector(struct page **pages, int num_pages); extern void ceph_release_page_vector(struct page **pages, int num_pages);
extern struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags); extern struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags);

3
net/ceph/pagevec.c
View file

@ -13,8 +13,7 @@
* build a vector of user pages * build a vector of user pages
*/ */
struct page **ceph_get_direct_page_vector(const char __user *data, struct page **ceph_get_direct_page_vector(const char __user *data,
int num_pages, int num_pages)
loff_t off, size_t len)
{ {
struct page **pages; struct page **pages;
int rc; int rc;