From: Namhyung Kim <namhyung@gmail.com>
To: Jan Kara <jack@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
Andreas Dilger <adilger.kernel@dilger.ca>
Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] ext3: Remove unnecessary casts on bh->b_data
Date: Mon, 11 Oct 2010 02:10:45 +0900 [thread overview]
Message-ID: <1286730645-4845-1-git-send-email-namhyung@gmail.com> (raw)
bh->b_data is already a pointer to char so casts to 'char *' should
be meaningless. Remove them.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
---
fs/ext3/balloc.c | 4 ++--
fs/ext3/super.c | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index 4a32511..a49ce4a 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -792,9 +792,9 @@ find_next_usable_block(ext3_grpblk_t start, struct buffer_head *bh,
if (here < 0)
here = 0;
- p = ((char *)bh->b_data) + (here >> 3);
+ p = bh->b_data + (here >> 3);
r = memscan(p, 0, ((maxblocks + 7) >> 3) - (here >> 3));
- next = (r - ((char *)bh->b_data)) << 3;
+ next = (r - bh->b_data) << 3;
if (next < maxblocks && next >= start && ext3_test_allocatable(next, bh))
return next;
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 4caeffa..421fad7 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1654,7 +1654,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
* Note: s_es must be initialized as soon as possible because
* some ext3 macro-instructions depend on its value
*/
- es = (struct ext3_super_block *) (((char *)bh->b_data) + offset);
+ es = (struct ext3_super_block *) (bh->b_data + offset);
sbi->s_es = es;
sb->s_magic = le16_to_cpu(es->s_magic);
if (sb->s_magic != EXT3_SUPER_MAGIC)
@@ -1765,7 +1765,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
"error: can't read superblock on 2nd try");
goto failed_mount;
}
- es = (struct ext3_super_block *)(((char *)bh->b_data) + offset);
+ es = (struct ext3_super_block *)(bh->b_data + offset);
sbi->s_es = es;
if (es->s_magic != cpu_to_le16(EXT3_SUPER_MAGIC)) {
ext3_msg(sb, KERN_ERR,
@@ -2168,7 +2168,7 @@ static journal_t *ext3_get_dev_journal(struct super_block *sb,
goto out_bdev;
}
- es = (struct ext3_super_block *) (((char *)bh->b_data) + offset);
+ es = (struct ext3_super_block *) (bh->b_data + offset);
if ((le16_to_cpu(es->s_magic) != EXT3_SUPER_MAGIC) ||
!(le32_to_cpu(es->s_feature_incompat) &
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) {
--
1.7.0.4
next reply other threads:[~2010-10-10 17:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-10 17:10 Namhyung Kim [this message]
2010-10-11 14:50 ` Jan Kara
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