From: "Jörn Engel" <joern@wohnheim.fh-wedel.de>
To: Phillip Lougher <phillip@lougher.demon.co.uk>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 9/10] squashfs: first use of swabbing
Date: Fri, 22 Apr 2005 09:25:33 +0200 [thread overview]
Message-ID: <20050422072533.GG10459@wohnheim.fh-wedel.de> (raw)
In-Reply-To: <20050422072446.GF10459@wohnheim.fh-wedel.de>
Jörn
--
To recognize individual spam features you have to try to get into the
mind of the spammer, and frankly I want to spend as little time inside
the minds of spammers as possible.
-- Paul Graham
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
---
fs/squashfs/inode.c | 25 +++++++------------------
1 files changed, 7 insertions(+), 18 deletions(-)
--- linux-2.6.12-rc3cow/fs/squashfs/inode.c~squashfs_cu10 2005-04-22 09:06:09.550109088 +0200
+++ linux-2.6.12-rc3cow/fs/squashfs/inode.c 2005-04-22 09:15:50.279824752 +0200
@@ -122,7 +122,7 @@ static struct buffer_head *get_block_len
int *cur_index, int *offset, int *c_byte)
{
squashfs_sb_info *msBlk = s->s_fs_info;
- unsigned short temp;
+ u16 temp;
struct buffer_head *bh;
unsigned char *data;
@@ -131,30 +131,19 @@ static struct buffer_head *get_block_len
if (msBlk->devblksize - *offset == 1) {
data = bh->b_data;
- if (msBlk->swap)
- ((unsigned char *) &temp)[1] = data[*offset];
- else
- ((unsigned char *) &temp)[0] = data[*offset];
+ ((unsigned char *) &temp)[0] = data[*offset];
brelse(bh);
if (!(bh = sb_bread(s, ++(*cur_index))))
return NULL;
data = bh->b_data;
- if (msBlk->swap)
- ((unsigned char *) &temp)[0] = data[0];
- else
- ((unsigned char *) &temp)[1] = data[0];
- *c_byte = temp;
+ ((unsigned char *) &temp)[1] = data[0];
+ *c_byte = (msBlk->swab16)(temp);
*offset = 1;
} else {
data = bh->b_data;
- if (msBlk->swap) {
- ((unsigned char *) &temp)[1] = data[*offset];
- ((unsigned char *) &temp)[0] = data[*offset + 1];
- } else {
- ((unsigned char *) &temp)[0] = data[*offset];
- ((unsigned char *) &temp)[1] = data[*offset + 1];
- }
- *c_byte = temp;
+ ((unsigned char *) &temp)[0] = data[*offset];
+ ((unsigned char *) &temp)[1] = data[*offset + 1];
+ *c_byte = (msBlk->swab16)(temp);
*offset += 2;
}
next prev parent reply other threads:[~2005-04-22 7:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-20 6:55 [PATCH] remove some usesless casts Jörn Engel
2005-04-20 15:20 ` Phillip Lougher
2005-04-20 21:33 ` Jörn Engel
2005-04-20 20:51 ` Phillip Lougher
2005-04-21 1:06 ` Jörn Engel
2005-04-21 6:36 ` Pekka Enberg
2005-04-21 6:48 ` Jörn Engel
2005-04-21 1:08 ` [PATCH 2/4] squashfs: kmalloc (less stack, less casts) Jörn Engel
2005-04-21 1:10 ` [PATCH 3/4] squashfs: (void*)ify squashfs_get_cached_block Jörn Engel
2005-04-21 1:11 ` [PATCH 4/4] squashfs: (void*)ify squashfs_read_data Jörn Engel
2005-04-22 7:20 ` [PATCH 5/10] squashfs: (void*)ify read_blocklist Jörn Engel
2005-04-22 7:22 ` [PATCH 6/10] squashfs: conserve stack, remove casts Jörn Engel
2005-04-22 7:22 ` [PATCH 6/10] squashfs: remove one cast Jörn Engel
2005-04-22 7:23 ` [PATCH 8/10] squashfs: add swabbing infrastructure Jörn Engel
2005-04-22 7:24 ` [PATCH 9/10] squashfs: remove some more casts Jörn Engel
2005-04-22 7:25 ` Jörn Engel [this message]
2005-04-22 7:52 ` [PATCH 8/10] squashfs: add swabbing infrastructure Jörn Engel
2005-04-22 7:26 ` [PATCH 6/10] squashfs: remove one cast Jörn Engel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20050422072533.GG10459@wohnheim.fh-wedel.de \
--to=joern@wohnheim.fh-wedel.de \
--cc=linux-kernel@vger.kernel.org \
--cc=phillip@lougher.demon.co.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®