http://oss.sgi.com/bugzilla/show_bug.cgi?id=916
amethyst623@xxxxxxx changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|INVALID |
--- Comment #4 from amethyst623@xxxxxxx 2012-03-16 05:47:05 CST ---
(In reply to comment #1)
> You device is throwing IO errors, so the filesystem shut down. Some times it
> takes a little while for the lower layers to detect an IO error (e.g. for IOs
> that are in flight at teh time of teh unplug), so the syscall that is in
> progress waiting for the IO to complete will block waiting for it. In any
> case,
> it's not a filesystem problem.
with more tests I found mrupdate_nested(&ip->i_lock,
XFS_ILOCK_DEP(lock_flags));
sometimes takes a long time (10 seconds or more). Can anyone tell me how to
solve this problem?
thanks.
------------------------------------------------------------
xfs_write calls xfs_ilock(xip, XFS_ILOCK_EXCL|iolock);
xfs_ilock(
...
if (lock_flags & XFS_IOLOCK_EXCL)
mrupdate_nested(&ip->i_iolock, XFS_IOLOCK_DEP(lock_flags));
else if (lock_flags & XFS_IOLOCK_SHARED)
mraccess_nested(&ip->i_iolock, XFS_IOLOCK_DEP(lock_flags));
if (lock_flags & XFS_ILOCK_EXCL)
mrupdate_nested(&ip->i_lock, XFS_ILOCK_DEP(lock_flags));
else if (lock_flags & XFS_ILOCK_SHARED)
mraccess_nested(&ip->i_lock, XFS_ILOCK_DEP(lock_flags));
...
}
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