From: Darrick J. Wong <djwong@kernel.org>
Date: Mon, 22 Apr 2024 17:00:49 +0000 (-0700)
Subject: libxfs: actually set m_fsname
X-Git-Tag: v6.9.0~19^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e9add503ea48dfaf68e3c5731aba28d74c46366f;p=thirdparty%2Fxfsprogs-dev.git

libxfs: actually set m_fsname

Set the name of the filesystem before we actually start using it for
creating xfiles.  This leads to nice(r) output from /proc/maps such as:

7fcd0a44f000-7fcd0a450000 rw-s 021f6000 00:01 3612684 /memfd:xfs_repair (/dev/sda): AG 0 rmap records (deleted)

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/libxfs/init.c b/libxfs/init.c
index 6ac9d682..c9c61ac1 100644
--- a/libxfs/init.c
+++ b/libxfs/init.c
@@ -643,6 +643,11 @@ libxfs_mount(
 		xfs_set_reporting_corruption(mp);
 	libxfs_buftarg_init(mp, xi);
 
+	if (xi->data.name)
+		mp->m_fsname = strdup(xi->data.name);
+	else
+		mp->m_fsname = NULL;
+
 	mp->m_finobt_nores = true;
 	xfs_set_inode32(mp);
 	mp->m_sb = *sb;
@@ -903,6 +908,9 @@ libxfs_umount(
 	kmem_free(mp->m_attr_geo);
 	kmem_free(mp->m_dir_geo);
 
+	free(mp->m_fsname);
+	mp->m_fsname = NULL;
+
 	kmem_free(mp->m_rtdev_targp);
 	if (mp->m_logdev_targp != mp->m_ddev_targp)
 		kmem_free(mp->m_logdev_targp);