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Re: shutdown umount hangs
this won't fix anything but it may help us understand the problem.
--
Russell Cattelan
--
Digital Elves inc. -- Currently on loan to SGI
Linux XFS core developer.
--- /usr/tmp/TmpDir.585-0/linux/fs/xfs/xfs_mount.c_1.249 Thu Apr 5 18:49:28 2001
+++ linux/fs/xfs/xfs_mount.c Thu Apr 5 18:48:51 2001
@@ -29,7 +29,7 @@
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
-
+#define _PAGE_BUF_INTERNAL_
#include <xfs.h>
@@ -1075,12 +1075,13 @@
xfs_buf_t *sbp;
xfs_sb_t *sb;
int error = 0;
-
+ page_buf_private_t *pb;
/*
* skip superblock write if fs is read-only, or
* if we are doing a forced umount.
*/
sbp = xfs_getsb(mp, 0);
+ pb = (page_buf_private_t *)sbp;
if (!(XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY ||
XFS_FORCED_SHUTDOWN(mp))) {
/*
@@ -1100,7 +1101,11 @@
XFS_BUF_WRITE(sbp);
xfs_bwait_unpin(sbp);
ASSERT(XFS_BUF_TARGET(sbp) == mp->m_dev);
+ printk ("xfs_unmountfs_writesb pre strat flags 0x%x pb_iodonesema cnt(%d,%d)sl\n",
+ sbp->pb_flags,pb->pb_iodonesema.count.counter, pb->pb_iodonesema.sleepers);
xfsbdstrat(mp, sbp);
+ printk ("xfs_unmountfs_writesb prot strat flags 0x%x pb_iodonesema cnt(%d,%d)sl\n",
+ sbp->pb_flags,pb->pb_iodonesema.count.counter, pb->pb_iodonesema.sleepers);
/* Nevermind errors we might get here. */
error = xfs_iowait(sbp);
if (error && mp->m_mk_sharedro)