On Tue, Oct 09, 2018 at 04:30:45PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
>
> The kernel only issues a log message that it's been shut down when
> the filesystem triggers a shutdown itself. Hence there is no trace
> in the log when a shutdown is triggered manually from userspace.
> This can make it hard to see sequence of events in the log when
> things go wrong, so make sure we always log a message when a
> shutdown is run.
>
> While there, clean up the logic flow so we don't have to continually
> check if the shutdown trigger was user initiated before logging
> shutdown messages.
>
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
> ---
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
> fs/xfs/xfs_fsops.c | 50 +++++++++++++++++++++++-----------------------
> 1 file changed, 25 insertions(+), 25 deletions(-)
>
> diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
> index 7c00b8bedfe3..093c2b8d7e20 100644
> --- a/fs/xfs/xfs_fsops.c
> +++ b/fs/xfs/xfs_fsops.c
> @@ -470,20 +470,13 @@ xfs_fs_goingdown(
> */
> void
> xfs_do_force_shutdown(
> - xfs_mount_t *mp,
> + struct xfs_mount *mp,
> int flags,
> char *fname,
> int lnnum)
> {
> - int logerror;
> -
> - logerror = flags & SHUTDOWN_LOG_IO_ERROR;
> + bool logerror = flags & SHUTDOWN_LOG_IO_ERROR;
>
> - if (!(flags & SHUTDOWN_FORCE_UMOUNT)) {
> - xfs_notice(mp,
> - "%s(0x%x) called from line %d of file %s. Return address = "PTR_FMT,
> - __func__, flags, lnnum, fname, __return_address);
> - }
> /*
> * No need to duplicate efforts.
> */
> @@ -499,27 +492,34 @@ xfs_do_force_shutdown(
> if (xfs_log_force_umount(mp, logerror))
> return;
>
> + if (flags & SHUTDOWN_FORCE_UMOUNT) {
> + xfs_alert(mp,
> +"User initiated shutdown received. Shutting down filesystem");
> + return;
> + }
> +
> + xfs_notice(mp,
> +"%s(0x%x) called from line %d of file %s. Return address = "PTR_FMT,
> + __func__, flags, lnnum, fname, __return_address);
> +
> if (flags & SHUTDOWN_CORRUPT_INCORE) {
> xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_CORRUPT,
> - "Corruption of in-memory data detected. Shutting down filesystem");
> +"Corruption of in-memory data detected. Shutting down filesystem");
> if (XFS_ERRLEVEL_HIGH <= xfs_error_level)
> xfs_stack_trace();
> - } else if (!(flags & SHUTDOWN_FORCE_UMOUNT)) {
> - if (logerror) {
> - xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_LOGERROR,
> - "Log I/O Error Detected. Shutting down filesystem");
> - } else if (flags & SHUTDOWN_DEVICE_REQ) {
> - xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_IOERROR,
> - "All device paths lost. Shutting down filesystem");
> - } else if (!(flags & SHUTDOWN_REMOTE_REQ)) {
> - xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_IOERROR,
> - "I/O Error Detected. Shutting down filesystem");
> - }
> - }
> - if (!(flags & SHUTDOWN_FORCE_UMOUNT)) {
> - xfs_alert(mp,
> - "Please umount the filesystem and rectify the problem(s)");
> + } else if (logerror) {
> + xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_LOGERROR,
> + "Log I/O Error Detected. Shutting down filesystem");
> + } else if (flags & SHUTDOWN_DEVICE_REQ) {
> + xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_IOERROR,
> + "All device paths lost. Shutting down filesystem");
> + } else if (!(flags & SHUTDOWN_REMOTE_REQ)) {
> + xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_IOERROR,
> + "I/O Error Detected. Shutting down filesystem");
> }
> +
> + xfs_alert(mp,
> + "Please unmount the filesystem and rectify the problem(s)");
> }
>
> /*
> --
> 2.17.0
>
