From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcin Slusarz Subject: [PATCH] fs: add roundup_to_blocksize and bytes_to_blocks helper functions Date: Sun, 19 Apr 2009 20:42:15 +0200 Message-ID: <49EB7087.70302@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: LKML To: linux-fsdevel Return-path: Received: from mail-bw0-f211.google.com ([209.85.218.211]:48172 "EHLO mail-bw0-f211.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754389AbZDSSmi (ORCPT ); Sun, 19 Apr 2009 14:42:38 -0400 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: bytes_to_blocks is open coded in more than 30 places roundup_to_blocksize is open coded in more than 15 places Signed-off-by: Marcin Slusarz --- include/linux/fs.h | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) diff --git a/include/linux/fs.h b/include/linux/fs.h index e766be0..1b4e5b6 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2451,5 +2451,17 @@ int proc_nr_files(struct ctl_table *table, int write, struct file *filp, int get_filesystem_list(char * buf); +static inline +unsigned long long roundup_to_blocksize(unsigned long long bytes, struct super_block *sb) +{ + return (bytes + sb->s_blocksize - 1) & ~(sb->s_blocksize - 1); +} + +static inline +blkcnt_t bytes_to_blocks(unsigned long long bytes, struct super_block *sb) +{ + return (bytes + sb->s_blocksize - 1) >> sb->s_blocksize_bits; +} + #endif /* __KERNEL__ */ #endif /* _LINUX_FS_H */ -- 1.6.0.6