[POWERPC] bootwrapper: Allow wrapper script to execute verbosely

[mv-sheeva.git] / mm / filemap.c

diff --git a/mm/filemap.c b/mm/filemap.c
index 920366399eed6a3adb409d58622c74db46abcd7a..9940895f734ccd8db949687618aee4a7e03cb701 100644 (file)
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -28,6 +28,7 @@
 #include <linux/backing-dev.h>
 #include <linux/pagevec.h>
 #include <linux/blkdev.h>
+#include <linux/backing-dev.h>
 #include <linux/security.h>
 #include <linux/syscalls.h>
 #include <linux/cpuset.h>
@@ -841,7 +842,7 @@ static void shrink_readahead_size_eio(struct file *filp,
 /**
  * do_generic_mapping_read - generic file read routine
  * @mapping:   address_space to be read
- * @_ra:       file's readahead state
+ * @ra:                file's readahead state
  * @filp:      the file to read
  * @ppos:      current file position
  * @desc:      read_descriptor
@@ -2510,21 +2511,17 @@ generic_file_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
        }
 
        retval = mapping->a_ops->direct_IO(rw, iocb, iov, offset, nr_segs);
-       if (retval)
-               goto out;
 
        /*
         * Finally, try again to invalidate clean pages which might have been
-        * faulted in by get_user_pages() if the source of the write was an
-        * mmap()ed region of the file we're writing.  That's a pretty crazy
-        * thing to do, so we don't support it 100%.  If this invalidation
-        * fails and we have -EIOCBQUEUED we ignore the failure.
+        * cached by non-direct readahead, or faulted in by get_user_pages()
+        * if the source of the write was an mmap'ed region of the file
+        * we're writing.  Either one is a pretty crazy thing to do,
+        * so we don't support it 100%.  If this invalidation
+        * fails, tough, the write still worked...
         */
        if (rw == WRITE && mapping->nrpages) {
-               int err = invalidate_inode_pages2_range(mapping,
-                                             offset >> PAGE_CACHE_SHIFT, end);
-               if (err && retval >= 0)
-                       retval = err;
+               invalidate_inode_pages2_range(mapping, offset >> PAGE_CACHE_SHIFT, end);
        }
 out:
        return retval;