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Cleanups: rename of flush to invalidate, moving reporting of statistics

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into debugfs, and use __read_mostly as neccessary.
 Also add a MAINTAINER file for cleancache API files.
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Merge tag 'stable/for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm

Pull cleancache changes from Konrad Rzeszutek Wilk:
 "This has some patches for the cleancache API that should have been
  submitted a _long_ time ago.  They are basically cleanups:

   - rename of flush to invalidate

   - moving reporting of statistics into debugfs

   - use __read_mostly as necessary.

  Oh, and also the MAINTAINERS file change.  The files (except the
  MAINTAINERS file) have been in #linux-next for months now.  The late
  addition of MAINTAINERS file is a brain-fart on my side - didn't
  realize I needed that just until I was typing this up - and I based
  that patch on v3.3 - so the tree is on top of v3.3."

* tag 'stable/for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm:
  MAINTAINERS: Adding cleancache API to the list.
  mm: cleancache: Use __read_mostly as appropiate.
  mm: cleancache: report statistics via debugfs instead of sysfs.
  mm: zcache/tmem/cleancache: s/flush/invalidate/
  mm: cleancache: s/flush/invalidate/
This commit is contained in:
Linus Torvalds 2012-03-22 19:52:47 -07:00
commit aab008db80
11 changed files with 96 additions and 121 deletions
Download patch file Download diff file Expand all files Collapse all files

10
mm/truncate.c
View file

@ -52,7 +52,7 @@ void do_invalidatepage(struct page *page, unsigned long offset)
static inline void truncate_partial_page(struct page *page, unsigned partial)
{
zero_user_segment(page, partial, PAGE_CACHE_SIZE);
cleancache_flush_page(page->mapping, page);
cleancache_invalidate_page(page->mapping, page);
if (page_has_private(page))
do_invalidatepage(page, partial);
}
@ -213,7 +213,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
pgoff_t end;
int i;
cleancache_flush_inode(mapping);
cleancache_invalidate_inode(mapping);
if (mapping->nrpages == 0)
return;
@ -292,7 +292,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
mem_cgroup_uncharge_end();
index++;
}
cleancache_flush_inode(mapping);
cleancache_invalidate_inode(mapping);
}
EXPORT_SYMBOL(truncate_inode_pages_range);
@ -444,7 +444,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
int ret2 = 0;
int did_range_unmap = 0;
cleancache_flush_inode(mapping);
cleancache_invalidate_inode(mapping);
pagevec_init(&pvec, 0);
index = start;
while (index <= end && pagevec_lookup(&pvec, mapping, index,
@ -500,7 +500,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
cond_resched();
index++;
}
cleancache_flush_inode(mapping);
cleancache_invalidate_inode(mapping);
return ret;
}
EXPORT_SYMBOL_GPL(invalidate_inode_pages2_range);