commit a51b5d8df8bd4b76812506a4c59eb388e8c7ae92
Author: Erez_Zadok <[EMAIL PROTECTED]>
Date: Sat May 5 16:22:57 2007 -0400
mmap: minor code and comment reformatting
diff --git a/fs/unionfs/file.c b/fs/unionfs/file.c
index c30dd8a..2bfc1f6 100644
--- a/fs/unionfs/file.c
+++ b/fs/unionfs/file.c
@@ -99,7 +99,7 @@ static int unionfs_mmap(struct file *file, struct
vm_area_struct *vma)
err = generic_file_mmap(file, vma);
if (err)
- printk("mmap: generic_file_mmap failed %d\n", err);
+ printk("unionfs: generic_file_mmap failed %d\n", err);
out:
unionfs_read_unlock(file->f_dentry->d_sb);
diff --git a/fs/unionfs/mmap.c b/fs/unionfs/mmap.c
index 99b3b2f..f484984 100644
--- a/fs/unionfs/mmap.c
+++ b/fs/unionfs/mmap.c
@@ -114,10 +114,10 @@ int unionfs_do_readpage(struct file *file, struct page
*page)
wait_on_page_locked(lower_page);
if (!PageUptodate(lower_page)) {
/*
- * call readpage() again if we returned from wait_on_page with a
- * page that's not up-to-date; that can happen when a partial
- * page has a few buffers which are ok, but not the whole
- * page.
+ * call readpage() again if we returned from wait_on_page
+ * with a page that's not up-to-date; that can happen when a
+ * partial page has a few buffers which are ok, but not the
+ * whole page.
*/
lock_page(lower_page);
err = lower_inode->i_mapping->a_ops->readpage(lower_file,
@@ -168,9 +168,9 @@ int unionfs_readpage(struct file *file, struct page *page)
err = unionfs_do_readpage(file, page);
/*
- * we have to unlock our page, b/c we _might_ have gotten a locked page.
- * but we no longer have to wakeup on our page here, b/c UnlockPage does
- * it
+ * we have to unlock our page, b/c we _might_ have gotten a locked
+ * page. but we no longer have to wakeup on our page here, b/c
+ * UnlockPage does it
*/
out_err:
@@ -255,14 +255,13 @@ sector_t unionfs_bmap(struct address_space * mapping,
sector_t block)
{
int err = 0;
struct inode *inode, *lower_inode;
+ sector_t (*bmap)(struct address_space *, sector_t);
inode = (struct inode *)mapping->host;
lower_inode = unionfs_lower_inode(inode);
-
- if (lower_inode->i_mapping->a_ops->bmap)
- err =
- lower_inode->i_mapping->a_ops->bmap(lower_inode->i_mapping,
- block);
+ bmap = lower_inode->i_mapping->a_ops->bmap;
+ if (bmap)
+ err = bmap(lower_inode->i_mapping, block);
return err;
}
@@ -301,4 +300,3 @@ struct address_space_operations unionfs_aops = {
.bmap = unionfs_bmap,
.sync_page = unionfs_sync_page,
};
-
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