---

yaml --- r: 262233 b: refs/heads/master c: b6973aa h: refs/heads/master i: 262231: ba84089 v: v3
git-mirror · Aug 1, 2011 · 50e4d6b · 50e4d6b
1 parent 1898f43
commit 50e4d6b
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Showing 3 changed files with 9 additions and 17 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b532402e4d147e4f409c4e7f50d4413e8450101d
+refs/heads/master: b6973aa62253f3791ef6fa5e9f9de099645fc2bd
diff --git a/trunk/fs/btrfs/ctree.h b/trunk/fs/btrfs/ctree.h
@@ -2520,6 +2520,14 @@ int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
 #define PageChecked PageFsMisc
 #endif
 
+/* This forces readahead on a given range of bytes in an inode */
+static inline void btrfs_force_ra(struct address_space *mapping,
+				  struct file_ra_state *ra, struct file *file,
+				  pgoff_t offset, unsigned long req_size)
+{
+	page_cache_sync_readahead(mapping, ra, file, offset, req_size);
+}
+
 struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry);
 int btrfs_set_inode_index(struct inode *dir, u64 *index);
 int btrfs_unlink_inode(struct btrfs_trans_handle *trans,
@@ -2548,9 +2556,6 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans,
 int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
 			 size_t size, struct bio *bio, unsigned long bio_flags);
 
-unsigned long btrfs_force_ra(struct address_space *mapping,
-			      struct file_ra_state *ra, struct file *file,
-			      pgoff_t offset, pgoff_t last_index);
 int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
 int btrfs_readpage(struct file *file, struct page *page);
 void btrfs_evict_inode(struct inode *inode);

diff --git a/trunk/fs/btrfs/inode.c b/trunk/fs/btrfs/inode.c
@@ -6697,19 +6697,6 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans,
 	return 0;
 }
 
-/* helper function for file defrag and space balancing.  This
- * forces readahead on a given range of bytes in an inode
- */
-unsigned long btrfs_force_ra(struct address_space *mapping,
-			      struct file_ra_state *ra, struct file *file,
-			      pgoff_t offset, pgoff_t last_index)
-{
-	pgoff_t req_size = last_index - offset + 1;
-
-	page_cache_sync_readahead(mapping, ra, file, offset, req_size);
-	return offset + req_size;
-}
-
 struct inode *btrfs_alloc_inode(struct super_block *sb)
 {
 	struct btrfs_inode *ei;