From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs <linux-xfs@vger.kernel.org>
Subject: [PATCH v2] xfs: define a flags field for the AG geometry ioctl structure
Date: Fri, 30 Aug 2019 17:11:37 -0700 [thread overview]
Message-ID: <20190831001137.GN5354@magnolia> (raw)
In-Reply-To: <20190830235139.GM5354@magnolia>
From: Darrick J. Wong <darrick.wong@oracle.com>
Define a flags field for the AG geometry ioctl structure.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
v2: define ag_flags as an *in* field
---
fs/xfs/libxfs/xfs_fs.h | 2 +-
fs/xfs/xfs_ioctl.c | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index 52d03a3a02a4..de2ead2039c5 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -287,7 +287,7 @@ struct xfs_ag_geometry {
uint32_t ag_ifree; /* o: inodes free */
uint32_t ag_sick; /* o: sick things in ag */
uint32_t ag_checked; /* o: checked metadata in ag */
- uint32_t ag_reserved32; /* o: zero */
+ uint32_t ag_flags; /* i: flags for this ag */
uint64_t ag_reserved[12];/* o: zero */
};
#define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 9a6823e29661..93274c16cec4 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1038,6 +1038,8 @@ xfs_ioc_ag_geometry(
if (copy_from_user(&ageo, arg, sizeof(ageo)))
return -EFAULT;
+ if (ageo.ag_flags)
+ return -EINVAL;
error = xfs_ag_get_geometry(mp, ageo.ag_number, &ageo);
if (error)
prev parent reply other threads:[~2019-08-31 0:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-30 23:51 [PATCH] xfs: define a flags field for the AG geometry ioctl structure Darrick J. Wong
2019-08-31 0:11 ` Darrick J. Wong [this message]
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=20190831001137.GN5354@magnolia \
--to=darrick.wong@oracle.com \
--cc=david@fromorbit.com \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).