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authorStephen Rothwell <sfr@canb.auug.org.au>2011-01-31 16:27:49 +1100
committerStephen Rothwell <sfr@canb.auug.org.au>2011-01-31 16:27:49 +1100
commitc1649b726419416c31771b5b816d74270da45c2b (patch)
tree29fd7295ce803b7d24bee89fbd35542257c5976f /mm/truncate.c
parent0c22e887a03a8bacf2c1d1914256979139e4684f (diff)
parent5231e92e133d6db6681a4485b1794a01469ca9ad (diff)
Merge remote branch 'cleancache/linux-next'
Conflicts: fs/ocfs2/super.c fs/super.c include/linux/fs.h mm/Kconfig
Diffstat (limited to 'mm/truncate.c')
-rw-r--r--mm/truncate.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/truncate.c b/mm/truncate.c
index 49feb46e77b8..4d415b356ef7 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -19,6 +19,7 @@
#include <linux/task_io_accounting_ops.h>
#include <linux/buffer_head.h> /* grr. try_to_release_page,
do_invalidatepage */
+#include <linux/cleancache.h>
#include "internal.h"
@@ -51,6 +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);
if (page_has_private(page))
do_invalidatepage(page, partial);
}
@@ -108,6 +110,10 @@ truncate_complete_page(struct address_space *mapping, struct page *page)
clear_page_mlock(page);
remove_from_page_cache(page);
ClearPageMappedToDisk(page);
+ /* this must be after the remove_from_page_cache which
+ * calls cleancache_put_page (and note page->mapping is now NULL)
+ */
+ cleancache_flush_page(mapping, page);
page_cache_release(page); /* pagecache ref */
return 0;
}
@@ -215,6 +221,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
pgoff_t next;
int i;
+ cleancache_flush_inode(mapping);
if (mapping->nrpages == 0)
return;
@@ -290,6 +297,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
pagevec_release(&pvec);
mem_cgroup_uncharge_end();
}
+ cleancache_flush_inode(mapping);
}
EXPORT_SYMBOL(truncate_inode_pages_range);
@@ -432,6 +440,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
int did_range_unmap = 0;
int wrapped = 0;
+ cleancache_flush_inode(mapping);
pagevec_init(&pvec, 0);
next = start;
while (next <= end && !wrapped &&
@@ -490,6 +499,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
mem_cgroup_uncharge_end();
cond_resched();
}
+ cleancache_flush_inode(mapping);
return ret;
}
EXPORT_SYMBOL_GPL(invalidate_inode_pages2_range);