From: Davidlohr Bueso <dave@gnu.org>
To: Karel Zak <kzak@redhat.com>
Cc: util-linux-ng <util-linux-ng@vger.kernel.org>
Subject: [PATCH 1/3] mkfs.minix: add support for mkfs3
Date: Thu, 31 Mar 2011 11:59:29 -0300 [thread overview]
Message-ID: <1301583569.2159.15.camel@offworld> (raw)
Add superblock layout for minix3 filesystem support.
Signed-off-by: Davidlohr Bueso <dave@gnu.org>
---
disk-utils/minix.h | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/disk-utils/minix.h b/disk-utils/minix.h
index 638565e..8952792 100644
--- a/disk-utils/minix.h
+++ b/disk-utils/minix.h
@@ -44,6 +44,24 @@ struct minix_super_block {
u32 s_zones;
};
+/* V3 minix super-block data on disk */
+struct minix3_super_block {
+ u32 s_ninodes;
+ u16 s_pad0;
+ u16 s_imap_blocks;
+ u16 s_zmap_blocks;
+ u16 s_firstdatazone;
+ u16 s_log_zone_size;
+ u16 s_pad1;
+ u32 s_max_size;
+ u32 s_zones;
+ u16 s_magic;
+ u16 s_pad2;
+ u16 s_blocksize;
+ u8 s_disk_version;
+ u16 s_state;
+};
+
#define BLOCK_SIZE_BITS 10
#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)
@@ -59,5 +77,6 @@ struct minix_super_block {
#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */
#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs */
#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */
+#define MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs (60 char names) */
#endif /* KERNEL_INCLUDES_ARE_CLEAN */
--
1.7.1
reply other threads:[~2011-03-31 15:00 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=1301583569.2159.15.camel@offworld \
--to=dave@gnu.org \
--cc=kzak@redhat.com \
--cc=util-linux-ng@vger.kernel.org \
/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