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Merge tag 'xarray-6.0' of git://git.infradead.org/users/willy/xarray
[linux-2.6-microblaze.git]
/
mm
/
readahead.c
diff --git
a/mm/readahead.c
b/mm/readahead.c
index
57a0151
..
fdcd28c
100644
(file)
--- a/
mm/readahead.c
+++ b/
mm/readahead.c
@@
-510,6
+510,7
@@
void page_cache_ra_order(struct readahead_control *ractl,
new_order--;
}
+ filemap_invalidate_lock_shared(mapping);
while (index <= limit) {
unsigned int order = new_order;
@@
-536,6
+537,7
@@
void page_cache_ra_order(struct readahead_control *ractl,
}
read_pages(ractl);
+ filemap_invalidate_unlock_shared(mapping);
/*
* If there were already pages in the page cache, then we may have