xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'master'

Browse Source
This commit is contained in:
Steven Whitehouse
2006-03-31 15:34:58 -05:00
parent 7ea9ea8322 a0f0678025
commit 86579dd06d
4831 changed files with 247479 additions and 160741 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
mm/filemap.c
View File

@@ -29,7 +29,10 @@
#include <linux/blkdev.h>
#include <linux/security.h>
#include <linux/syscalls.h>
#include <linux/cpuset.h>
#include "filemap.h"
#include "internal.h"
/*
* FIXME: remove all knowledge of the buffer layer from the core VM
*/
@@ -172,7 +175,7 @@ static int sync_page(void *word)
* dirty pages that lie within the byte offsets <start, end>
* @mapping: address space structure to write
* @start: offset in bytes where the range starts
* @end: offset in bytes where the range ends
* @end: offset in bytes where the range ends (inclusive)
* @sync_mode: enable synchronous operation
*
* If sync_mode is WB_SYNC_ALL then this is a "data integrity" operation, as
@@ -180,8 +183,8 @@ static int sync_page(void *word)
* these two operations is that if a dirty page/buffer is encountered, it must
* be waited upon, and not just skipped over.
*/
static int __filemap_fdatawrite_range(struct address_space *mapping,
loff_t start, loff_t end, int sync_mode)
int __filemap_fdatawrite_range(struct address_space *mapping, loff_t start,
loff_t end, int sync_mode)
{
int ret;
struct writeback_control wbc = {
@@ -210,8 +213,8 @@ int filemap_fdatawrite(struct address_space *mapping)
}
EXPORT_SYMBOL(filemap_fdatawrite);
static int filemap_fdatawrite_range(struct address_space *mapping,
loff_t start, loff_t end)
static int filemap_fdatawrite_range(struct address_space *mapping, loff_t start,
loff_t end)
{
return __filemap_fdatawrite_range(mapping, start, end, WB_SYNC_ALL);
}
@@ -230,7 +233,7 @@ EXPORT_SYMBOL(filemap_flush);
* Wait for writeback to complete against pages indexed by start->end
* inclusive
*/
static int wait_on_page_writeback_range(struct address_space *mapping,
int wait_on_page_writeback_range(struct address_space *mapping,
pgoff_t start, pgoff_t end)
{
struct pagevec pvec;
@@ -365,6 +368,12 @@ int filemap_write_and_wait(struct address_space *mapping)
}
EXPORT_SYMBOL(filemap_write_and_wait);
/*
* Write out and wait upon file offsets lstart->lend, inclusive.
*
* Note that `lend' is inclusive (describes the last byte to be written) so
* that this function can be used to write to the very end-of-file (end = -1).
*/
int filemap_write_and_wait_range(struct address_space *mapping,
loff_t lstart, loff_t lend)
{
@@ -425,6 +434,28 @@ int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
return ret;
}
#ifdef CONFIG_NUMA
struct page *page_cache_alloc(struct address_space *x)
{
if (cpuset_do_page_mem_spread()) {
int n = cpuset_mem_spread_node();
return alloc_pages_node(n, mapping_gfp_mask(x), 0);
}
return alloc_pages(mapping_gfp_mask(x), 0);
}
EXPORT_SYMBOL(page_cache_alloc);
struct page *page_cache_alloc_cold(struct address_space *x)
{
if (cpuset_do_page_mem_spread()) {
int n = cpuset_mem_spread_node();
return alloc_pages_node(n, mapping_gfp_mask(x)|__GFP_COLD, 0);
}
return alloc_pages(mapping_gfp_mask(x)|__GFP_COLD, 0);
}
EXPORT_SYMBOL(page_cache_alloc_cold);
#endif
/*
* In order to wait for pages to become available there must be
* waitqueues associated with pages. By using a hash table of