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Commit 29b89905 authored by Anton Altaparmakov's avatar Anton Altaparmakov
Browse files

NTFS: In attrib.c::ntfs_attr_set() call balance_dirty_pages_ratelimited() 


      and cond_resched() in the main loop as we could be dirtying a lot of
      pages and this ensures we play nice with the VM and the system as a
      whole.

Signed-off-by: default avatarAnton Altaparmakov <aia21@cantab.net>
parent 29d8699e

fs/ntfs/ChangeLog

+4 −0
Original line number Diff line number Diff line
@@ -57,6 +57,10 @@ ToDo/Notes: 
	  uncompressed and unencrypted files are supported.  Also, there is

	  only very limited support for highly fragmented files (the ones whose

	  $DATA attribute is split into multiple attribute extents).

	- In attrib.c::ntfs_attr_set() call balance_dirty_pages_ratelimited()

	  and cond_resched() in the main loop as we could be dirtying a lot of

	  pages and this ensures we play nice with the VM and the system as a

	  whole.



2.1.24 - Lots of bug fixes and support more clean journal states.

fs/ntfs/attrib.c

+4 −0
Original line number Diff line number Diff line
@@ -21,7 +21,9 @@ 
 */



#include <linux/buffer_head.h>

#include <linux/sched.h>

#include <linux/swap.h>

#include <linux/writeback.h>



#include "attrib.h"

#include "debug.h"
@@ -2590,6 +2592,8 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val) 
		/* Finally unlock and release the page. */

		unlock_page(page);

		page_cache_release(page);

		balance_dirty_pages_ratelimited(mapping);

		cond_resched();

	}

	/* If there is a last partial page, need to do it the slow way. */

	if (end_ofs) {

fs/ntfs/malloc.h

+1 −2
Original line number Diff line number Diff line
@@ -39,8 +39,7 @@ 
 * If there was insufficient memory to complete the request, return NULL.

 * Depending on @gfp_mask the allocation may be guaranteed to succeed.

 */

static inline void *__ntfs_malloc(unsigned long size,

		gfp_t gfp_mask)

static inline void *__ntfs_malloc(unsigned long size, gfp_t gfp_mask)

{

	if (likely(size <= PAGE_SIZE)) {

		BUG_ON(!size);