From: Chandan Babu R <chandan.babu@oracle.com>
To: linux-xfs@vger.kernel.org
Cc: Chandan Babu R <chandan.babu@oracle.com>,
djwong@kernel.org, cem@kernel.org
Subject: [PATCH V2 11/23] metadump: Define metadump ops for v2 format
Date: Tue, 6 Jun 2023 14:57:54 +0530 [thread overview]
Message-ID: <20230606092806.1604491-12-chandan.babu@oracle.com> (raw)
In-Reply-To: <20230606092806.1604491-1-chandan.babu@oracle.com>
This commit adds functionality to dump metadata from an XFS filesystem in
newly introduced v2 format.
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
---
db/metadump.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 71 insertions(+), 3 deletions(-)
diff --git a/db/metadump.c b/db/metadump.c
index b74993c0..537c37f7 100644
--- a/db/metadump.c
+++ b/db/metadump.c
@@ -3054,6 +3054,70 @@ static struct metadump_ops metadump1_ops = {
.release = release_metadump_v1,
};
+static int
+init_metadump_v2(void)
+{
+ struct xfs_metadump_header xmh = {0};
+ uint32_t compat_flags = 0;
+
+ xmh.xmh_magic = cpu_to_be32(XFS_MD_MAGIC_V2);
+ xmh.xmh_version = 2;
+
+ if (metadump.obfuscate)
+ compat_flags |= XFS_MD2_INCOMPAT_OBFUSCATED;
+ if (!metadump.zero_stale_data)
+ compat_flags |= XFS_MD2_INCOMPAT_FULLBLOCKS;
+ if (metadump.dirty_log)
+ compat_flags |= XFS_MD2_INCOMPAT_DIRTYLOG;
+
+ xmh.xmh_compat_flags = cpu_to_be32(compat_flags);
+
+ if (fwrite(&xmh, sizeof(xmh), 1, metadump.outf) != 1) {
+ print_warning("error writing to target file");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+write_metadump_v2(
+ enum typnm type,
+ char *data,
+ xfs_daddr_t off,
+ int len)
+{
+ struct xfs_meta_extent xme;
+ uint64_t addr;
+
+ addr = off;
+ if (type == TYP_LOG &&
+ mp->m_logdev_targp->bt_bdev != mp->m_ddev_targp->bt_bdev)
+ addr |= XME_ADDR_LOG_DEVICE;
+ else
+ addr |= XME_ADDR_DATA_DEVICE;
+
+ xme.xme_addr = cpu_to_be64(addr);
+ xme.xme_len = cpu_to_be32(len);
+
+ if (fwrite(&xme, sizeof(xme), 1, metadump.outf) != 1) {
+ print_warning("error writing to target file");
+ return -EIO;
+ }
+
+ if (fwrite(data, len << BBSHIFT, 1, metadump.outf) != 1) {
+ print_warning("error writing to target file");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static struct metadump_ops metadump2_ops = {
+ .init = init_metadump_v2,
+ .write = write_metadump_v2,
+};
+
static int
metadump_f(
int argc,
@@ -3190,7 +3254,10 @@ metadump_f(
}
}
- metadump.mdops = &metadump1_ops;
+ if (metadump.version == 1)
+ metadump.mdops = &metadump1_ops;
+ else
+ metadump.mdops = &metadump2_ops;
ret = metadump.mdops->init();
if (ret)
@@ -3214,7 +3281,7 @@ metadump_f(
exitcode = !copy_log();
/* write the remaining index */
- if (!exitcode)
+ if (!exitcode && metadump.mdops->end_write)
exitcode = metadump.mdops->end_write() < 0;
if (metadump.progress_since_warning)
@@ -3234,7 +3301,8 @@ metadump_f(
while (iocur_sp > start_iocur_sp)
pop_cur();
- metadump.mdops->release();
+ if (metadump.mdops->release)
+ metadump.mdops->release();
out:
return 0;
--
2.39.1
next prev parent reply other threads:[~2023-06-06 9:30 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2ExBvYxYPnyiGvOJzODNvNXx_bfn5RWAck_7UcV7OvxkF6fgAy6UZtI6d2-FdmxoIeBLPPX0vwW9uaJxBa5Rmg==@protonmail.internalid>
2023-06-06 9:27 ` [PATCH V2 00/23] Metadump v2 Chandan Babu R
2023-06-06 9:27 ` [PATCH V2 01/23] metadump: Use boolean values true/false instead of 1/0 Chandan Babu R
2023-06-06 9:27 ` [PATCH V2 02/23] mdrestore: Fix logic used to check if target device is large enough Chandan Babu R
2023-06-06 9:27 ` [PATCH V2 03/23] metadump: Declare boolean variables with bool type Chandan Babu R
2023-06-06 15:17 ` Darrick J. Wong
2023-06-06 9:27 ` [PATCH V2 04/23] metadump: Define and use struct metadump Chandan Babu R
2023-07-12 18:12 ` Darrick J. Wong
2023-07-20 13:13 ` Carlos Maiolino
2023-07-20 17:22 ` Darrick J. Wong
2023-06-06 9:27 ` [PATCH V2 05/23] metadump: Add initialization and release functions Chandan Babu R
2023-06-06 9:27 ` [PATCH V2 06/23] metadump: Postpone invocation of init_metadump() Chandan Babu R
2023-07-12 17:00 ` Darrick J. Wong
2023-06-06 9:27 ` [PATCH V2 07/23] metadump: Introduce struct metadump_ops Chandan Babu R
2023-07-12 17:06 ` Darrick J. Wong
2023-06-06 9:27 ` [PATCH V2 08/23] metadump: Introduce metadump v1 operations Chandan Babu R
2023-07-12 17:10 ` Darrick J. Wong
2023-07-13 4:36 ` Chandan Babu R
2023-06-06 9:27 ` [PATCH V2 09/23] metadump: Rename XFS_MD_MAGIC to XFS_MD_MAGIC_V1 Chandan Babu R
2023-06-06 9:27 ` [PATCH V2 10/23] metadump: Define metadump v2 ondisk format structures and macros Chandan Babu R
2023-07-12 17:18 ` Darrick J. Wong
2023-07-13 4:37 ` Chandan Babu R
2023-06-06 9:27 ` Chandan Babu R [this message]
2023-07-12 17:22 ` [PATCH V2 11/23] metadump: Define metadump ops for v2 format Darrick J. Wong
2023-07-13 4:45 ` Chandan Babu R
2023-06-06 9:27 ` [PATCH V2 12/23] xfs_db: Add support to read from external log device Chandan Babu R
2023-07-12 17:35 ` Darrick J. Wong
2023-07-13 5:24 ` Chandan Babu R
2023-06-06 9:27 ` [PATCH V2 13/23] metadump: Add support for passing version option Chandan Babu R
2023-06-06 9:27 ` [PATCH V2 14/23] mdrestore: Declare boolean variables with bool type Chandan Babu R
2023-07-12 17:35 ` Darrick J. Wong
2023-06-06 9:27 ` [PATCH V2 15/23] mdrestore: Define and use struct mdrestore Chandan Babu R
2023-07-12 18:12 ` Darrick J. Wong
2023-06-06 9:27 ` [PATCH V2 16/23] mdrestore: Detect metadump v1 magic before reading the header Chandan Babu R
2023-07-12 17:38 ` Darrick J. Wong
2023-06-06 9:28 ` [PATCH V2 17/23] mdrestore: Add open_device(), read_header() and show_info() functions Chandan Babu R
2023-07-12 17:46 ` Darrick J. Wong
2023-07-13 5:27 ` Chandan Babu R
2023-06-06 9:28 ` [PATCH V2 18/23] mdrestore: Introduce struct mdrestore_ops Chandan Babu R
2023-06-06 9:28 ` [PATCH V2 19/23] mdrestore: Replace metadump header pointer argument with generic pointer type Chandan Babu R
2023-07-12 17:55 ` Darrick J. Wong
2023-07-13 6:08 ` Chandan Babu R
2023-06-06 9:28 ` [PATCH V2 20/23] mdrestore: Introduce mdrestore v1 operations Chandan Babu R
2023-07-12 17:57 ` Darrick J. Wong
2023-06-06 9:28 ` [PATCH V2 21/23] mdrestore: Extract target device size verification into a function Chandan Babu R
2023-06-06 9:28 ` [PATCH V2 22/23] mdrestore: Define mdrestore ops for v2 format Chandan Babu R
2023-07-12 18:10 ` Darrick J. Wong
2023-07-13 6:27 ` Chandan Babu R
2023-07-13 14:22 ` Darrick J. Wong
2023-06-06 9:28 ` [PATCH V2 23/23] mdrestore: Add support for passing log device as an argument Chandan Babu R
2023-07-12 18:10 ` Darrick J. Wong
[not found] ` <181e7cbefa39e2dc59f2564c25966ac0d05aa6530483b7eb5d649de9a3d1cf7f@mu.id>
2023-07-13 6:48 ` Chandan Babu R
2023-06-06 12:10 ` [PATCH V2 00/23] Metadump v2 Carlos Maiolino
2023-06-06 12:38 ` Chandan Babu R
2023-06-06 16:04 ` Carlos Maiolino
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=20230606092806.1604491-12-chandan.babu@oracle.com \
--to=chandan.babu@oracle.com \
--cc=cem@kernel.org \
--cc=djwong@kernel.org \
--cc=linux-xfs@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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.