generic-ipi: Optimize accesses by using DEFINE_PER_CPU_SHARED_ALIGNED for IPI data
[linux-2.6.git] / mm / filemap.c
index 8b4d88f..96ac6b0 100644 (file)
@@ -2240,7 +2240,6 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov,
                size_t count, ssize_t written)
 {
        struct file *file = iocb->ki_filp;
-       struct address_space *mapping = file->f_mapping;
        ssize_t status;
        struct iov_iter i;
 
@@ -2252,15 +2251,6 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov,
                *ppos = pos + status;
        }
        
-       /*
-        * If we get here for O_DIRECT writes then we must have fallen through
-        * to buffered writes (block instantiation inside i_size).  So we sync
-        * the file data here, to try to honour O_DIRECT expectations.
-        */
-       if (unlikely(file->f_flags & O_DIRECT) && written)
-               status = filemap_write_and_wait_range(mapping,
-                                       pos, pos + written - 1);
-
        return written ? written : status;
 }
 EXPORT_SYMBOL(generic_file_buffered_write);
@@ -2359,10 +2349,7 @@ ssize_t __generic_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
                 * semantics.
                 */
                endbyte = pos + written_buffered - written - 1;
-               err = do_sync_mapping_range(file->f_mapping, pos, endbyte,
-                                           SYNC_FILE_RANGE_WAIT_BEFORE|
-                                           SYNC_FILE_RANGE_WRITE|
-                                           SYNC_FILE_RANGE_WAIT_AFTER);
+               err = filemap_write_and_wait_range(file->f_mapping, pos, endbyte);
                if (err == 0) {
                        written = written_buffered;
                        invalidate_mapping_pages(mapping,