From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Sun, 8 Jan 2006 09:02:09 +0000 (-0800)
Subject: [PATCH] fat: use sb_find_get_block() instead of sb_getblk()
X-Git-Tag: v2.6.16-rc1~810
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=83b7c996dc859c7b53f94d46ee5c5929cc0399e2;p=linux-2.6

[PATCH] fat: use sb_find_get_block() instead of sb_getblk()

We don't need to allocate buffer for checking the buffer is uptodate.  This
use sb_find_get_block() instead, and if it returns NULL it's not uptodate.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index ba824964b9..b2a26cd226 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -45,8 +45,8 @@ static inline void fat_dir_readahead(struct inode *dir, sector_t iblock,
 	if ((sbi->fat_bits != 32) && (dir->i_ino == MSDOS_ROOT_INO))
 		return;
 
-	bh = sb_getblk(sb, phys);
-	if (bh && !buffer_uptodate(bh)) {
+	bh = sb_find_get_block(sb, phys);
+	if (bh == NULL || !buffer_uptodate(bh)) {
 		for (sec = 0; sec < sbi->sec_per_clus; sec++)
 			sb_breadahead(sb, phys + sec);
 	}