Commit 83b7c996 authored Jan 08, 2006 by OGAWA Hirofumi Committed by Linus Torvalds Jan 08, 2006

[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>

parent a6bf6b21

fs/fat/dir.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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);
		}