From: Lukas Herbolt <lukas@xxxxxxxxxxx> As of now only device names are printed out over __xfs_printk(). The device names are not persistent across reboots which in case of searching for origin of corruption brings another task to properly identify the devices. This patch add XFS UUID upon every mount/umount event which will make the identification much easier. Signed-off-by: Lukas Herbolt <lukas@xxxxxxxxxxx> [sandeen: rebase onto current upstream kernel] Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx> --- [resending this as it seems to have gotten lost, and looks to me like a trivial and useful enhancement to xfs logmessages. This was requested (and authored!) by our support folks.] diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index f02a0dd522b3..0141d9907d31 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -644,12 +644,14 @@ xfs_log_mount( int min_logfsbs; if (!xfs_has_norecovery(mp)) { - xfs_notice(mp, "Mounting V%d Filesystem", - XFS_SB_VERSION_NUM(&mp->m_sb)); + xfs_notice(mp, "Mounting V%d Filesystem %pU", + XFS_SB_VERSION_NUM(&mp->m_sb), + &mp->m_sb.sb_uuid); } else { xfs_notice(mp, -"Mounting V%d filesystem in no-recovery mode. Filesystem will be inconsistent.", - XFS_SB_VERSION_NUM(&mp->m_sb)); +"Mounting V%d filesystem %pU in no-recovery mode. Filesystem will be inconsistent.", + XFS_SB_VERSION_NUM(&mp->m_sb), + &mp->m_sb.sb_uuid); ASSERT(xfs_is_readonly(mp)); } diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index f029c6702dda..0ed477df6480 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1110,7 +1110,7 @@ xfs_fs_put_super( if (!sb->s_fs_info) return; - xfs_notice(mp, "Unmounting Filesystem"); + xfs_notice(mp, "Unmounting Filesystem %pU", &mp->m_sb.sb_uuid); xfs_filestream_unmount(mp); xfs_unmountfs(mp);