lkml.org 
[lkml]   [2002]   [Aug]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] inline grab_cache_page
It's nothing but a wrapper for slightly different parameters around
find_or_create pages. Also some external code (e.g. XFS) want the
latter exported to control the gfp_mask.


--- linux-2.4.20-pre4/include/linux/pagemap.h Tue Aug 6 11:27:18 2002
+++ linux/include/linux/pagemap.h Sun Aug 25 19:32:11 2002
@@ -97,7 +97,15 @@ static inline void wait_on_page(struct p
___wait_on_page(page);
}

-extern struct page * grab_cache_page (struct address_space *, unsigned long);
+/*
+ * Returns locked page at given index in given cache, creating it if needed.
+ */
+static inline struct page *grab_cache_page(struct address_space *mapping, unsigned long index)
+{
+ return find_or_create_page(mapping, index, mapping->gfp_mask);
+}
+
+
extern struct page * grab_cache_page_nowait (struct address_space *, unsigned long);

typedef int filler_t(void *, struct page*);
--- linux-2.4.20-pre4/kernel/ksyms.c Tue Aug 13 15:56:05 2002
+++ linux/kernel/ksyms.c Sun Aug 25 19:32:04 2002
@@ -261,7 +262,7 @@ EXPORT_SYMBOL(poll_freewait);
EXPORT_SYMBOL(ROOT_DEV);
EXPORT_SYMBOL(__find_get_page);
EXPORT_SYMBOL(__find_lock_page);
-EXPORT_SYMBOL(grab_cache_page);
+EXPORT_SYMBOL(find_or_create_page);
EXPORT_SYMBOL(grab_cache_page_nowait);
EXPORT_SYMBOL(read_cache_page);
EXPORT_SYMBOL(set_page_dirty);
--- linux-2.4.20-pre4/mm/filemap.c Tue Aug 20 11:37:00 2002
+++ linux/mm/filemap.c Tue Aug 20 11:39:48 2002
@@ -1029,15 +1029,6 @@ struct page * find_or_create_page(struct
}

/*
- * Returns locked page at given index in given cache, creating it if needed.
- */
-struct page *grab_cache_page(struct address_space *mapping, unsigned long index)
-{
- return find_or_create_page(mapping, index, mapping->gfp_mask);
-}
-
-
-/*
* Same as grab_cache_page, but do not wait if the page is unavailable.
* This is intended for speculative data generators, where the data can
* be regenerated if the page couldn't be grabbed. This routine should
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 13:28    [W:0.026 / U:7.840 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site