its the last read_lock user of tree_lock, and since its unused remove
it rather than convert it.
Signed-off-by: Peter Zijlstra <[email protected]>
---
include/linux/pagemap.h | 2 --
mm/filemap.c | 20 --------------------
2 files changed, 22 deletions(-)
Index: linux-2.6/mm/filemap.c
===================================================================
--- linux-2.6.orig/mm/filemap.c 2007-01-22 20:11:09.000000000 +0100
+++ linux-2.6/mm/filemap.c 2007-01-22 20:11:13.000000000 +0100
@@ -624,26 +624,6 @@ repeat:
EXPORT_SYMBOL(find_get_page);
/**
- * find_trylock_page - find and lock a page
- * @mapping: the address_space to search
- * @offset: the page index
- *
- * Same as find_get_page(), but trylock it instead of incrementing the count.
- */
-struct page *find_trylock_page(struct address_space *mapping, unsigned long offset)
-{
- struct page *page;
-
- read_lock_irq(&mapping->tree_lock);
- page = radix_tree_lookup(&mapping->page_tree, offset);
- if (page && TestSetPageLocked(page))
- page = NULL;
- read_unlock_irq(&mapping->tree_lock);
- return page;
-}
-EXPORT_SYMBOL(find_trylock_page);
-
-/**
* find_lock_page - locate, pin and lock a pagecache page
* @mapping: the address_space to search
* @offset: the page index
Index: linux-2.6/include/linux/pagemap.h
===================================================================
--- linux-2.6.orig/include/linux/pagemap.h 2007-01-22 20:11:07.000000000 +0100
+++ linux-2.6/include/linux/pagemap.h 2007-01-22 20:11:13.000000000 +0100
@@ -202,8 +202,6 @@ extern struct page * find_get_page(struc
unsigned long index);
extern struct page * find_lock_page(struct address_space *mapping,
unsigned long index);
-extern __deprecated_for_modules struct page * find_trylock_page(
- struct address_space *mapping, unsigned long index);
extern struct page * find_or_create_page(struct address_space *mapping,
unsigned long index, gfp_t gfp_mask);
unsigned find_get_pages(struct address_space *mapping, pgoff_t start,
--
-
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