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authorDave Chinner <dchinner@redhat.com>2012-04-23 15:59:03 +1000
committerBen Myers <bpm@sgi.com>2012-05-14 16:20:59 -0500
commit2af51f3a4ef93945d20ff27ab28c5c68b5a21efc (patch)
treeb07fb8fefd07abcbd3d14cb8ad724f0060e528e5 /fs/xfs/xfs_fsops.c
parent2a0ec1d9ed7f3aa7974fccfbb612fadda2e10bad (diff)
xfs: move xfs_do_force_shutdown() and kill xfs_rw.c
xfs_do_force_shutdown now is the only thing in xfs_rw.c. There is no need to keep it in it's own file anymore, so move it to xfs_fsops.c next to xfs_fs_goingdown() and kill xfs_rw.c. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_fsops.c')
-rw-r--r--fs/xfs/xfs_fsops.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index f6c7698c9a7..537c2aeb1ad 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -688,3 +688,63 @@ xfs_fs_goingdown(
return 0;
}
+
+/*
+ * Force a shutdown of the filesystem instantly while keeping the filesystem
+ * consistent. We don't do an unmount here; just shutdown the shop, make sure
+ * that absolutely nothing persistent happens to this filesystem after this
+ * point.
+ */
+void
+xfs_do_force_shutdown(
+ xfs_mount_t *mp,
+ int flags,
+ char *fname,
+ int lnnum)
+{
+ int logerror;
+
+ 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 = 0x%p",
+ __func__, flags, lnnum, fname, __return_address);
+ }
+ /*
+ * No need to duplicate efforts.
+ */
+ if (XFS_FORCED_SHUTDOWN(mp) && !logerror)
+ return;
+
+ /*
+ * This flags XFS_MOUNT_FS_SHUTDOWN, makes sure that we don't
+ * queue up anybody new on the log reservations, and wakes up
+ * everybody who's sleeping on log reservations to tell them
+ * the bad news.
+ */
+ if (xfs_log_force_umount(mp, logerror))
+ return;
+
+ if (flags & SHUTDOWN_CORRUPT_INCORE) {
+ xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_CORRUPT,
+ "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)");
+ }
+}