Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
[linux-2.6.git] / fs / btrfs / compression.c
index 629880e..396039b 100644 (file)
@@ -31,7 +31,6 @@
 #include <linux/swap.h>
 #include <linux/writeback.h>
 #include <linux/bit_spinlock.h>
-#include <linux/pagevec.h>
 #include <linux/slab.h>
 #include "compat.h"
 #include "ctree.h"
@@ -446,7 +445,6 @@ static noinline int add_ra_bio_pages(struct inode *inode,
        unsigned long nr_pages = 0;
        struct extent_map *em;
        struct address_space *mapping = inode->i_mapping;
-       struct pagevec pvec;
        struct extent_map_tree *em_tree;
        struct extent_io_tree *tree;
        u64 end;
@@ -462,7 +460,6 @@ static noinline int add_ra_bio_pages(struct inode *inode,
 
        end_index = (i_size_read(inode) - 1) >> PAGE_CACHE_SHIFT;
 
-       pagevec_init(&pvec, 0);
        while (last_offset < compressed_end) {
                page_index = last_offset >> PAGE_CACHE_SHIFT;
 
@@ -479,26 +476,17 @@ static noinline int add_ra_bio_pages(struct inode *inode,
                        goto next;
                }
 
-               page = alloc_page(mapping_gfp_mask(mapping) & ~__GFP_FS);
+               page = __page_cache_alloc(mapping_gfp_mask(mapping) &
+                                                               ~__GFP_FS);
                if (!page)
                        break;
 
-               page->index = page_index;
-               /*
-                * what we want to do here is call add_to_page_cache_lru,
-                * but that isn't exported, so we reproduce it here
-                */
-               if (add_to_page_cache(page, mapping,
-                                     page->index, GFP_NOFS)) {
+               if (add_to_page_cache_lru(page, mapping, page_index,
+                                                               GFP_NOFS)) {
                        page_cache_release(page);
                        goto next;
                }
 
-               /* open coding of lru_cache_add, also not exported */
-               page_cache_get(page);
-               if (!pagevec_add(&pvec, page))
-                       __pagevec_lru_add_file(&pvec);
-
                end = last_offset + PAGE_CACHE_SIZE - 1;
                /*
                 * at this point, we have a locked page in the page cache
@@ -552,8 +540,6 @@ static noinline int add_ra_bio_pages(struct inode *inode,
 next:
                last_offset += PAGE_CACHE_SIZE;
        }
-       if (pagevec_count(&pvec))
-               __pagevec_lru_add_file(&pvec);
        return 0;
 }