From: Seunghun Lee <waydi1@gmail.com>
To: hirofumi@mail.parknet.co.jp
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Seunghun Lee <waydi1@gmail.com>
Subject: [PATCH] fat: Simplify calc_fat_clusters code
Date: Tue, 2 Sep 2014 22:33:30 +0900 [thread overview]
Message-ID: <1409664810-31960-1-git-send-email-waydi1@gmail.com> (raw)
Code for fat12 and fat16/32 can be merged to one.
Signed-off-by: Seunghun Lee <waydi1@gmail.com>
---
fs/fat/inode.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 756aead..6992dea 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1307,12 +1307,9 @@ static unsigned long calc_fat_clusters(struct super_block *sb)
struct msdos_sb_info *sbi = MSDOS_SB(sb);
/* Divide first to avoid overflow */
- if (sbi->fat_bits != 12) {
- unsigned long ent_per_sec = sb->s_blocksize * 8 / sbi->fat_bits;
- return ent_per_sec * sbi->fat_length;
- }
+ unsigned long ent_per_sec = sb->s_blocksize * 8 / sbi->fat_bits;
- return sbi->fat_length * sb->s_blocksize * 8 / sbi->fat_bits;
+ return ent_per_sec * sbi->fat_length;
}
static bool fat_bpb_is_zero(struct fat_boot_sector *b)
--
1.7.9.5
next reply other threads:[~2014-09-02 13:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-02 13:33 Seunghun Lee [this message]
2014-09-02 15:37 ` [PATCH] fat: Simplify calc_fat_clusters code OGAWA Hirofumi
2014-09-02 16:41 ` Seunghun Lee
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