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orangefs: do not wait for timeout if umounting

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[ Upstream commit b5a9d61eeb ]

When the computer is turned off, all the processes are killed and then
all the filesystems are umounted.  OrangeFS should not wait for the
userspace daemon to come back in that case.

This only works for plain umount(2).  To actually take advantage of this
interactively, `umount -f' is needed; otherwise umount will issue a
statfs first, which will wait for the userspace daemon to come back.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Martin Brandenburg
2017-04-25 15:38:07 -04:00
committed by Greg Kroah-Hartman
parent dfe9db1d7d
commit 688b8451ee
1 changed files with 8 additions and 1 deletions
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9
fs/orangefs/waitqueue.c
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@@ -124,7 +124,14 @@ retry_servicing:
gossip_debug(GOSSIP_WAIT_DEBUG,
"%s:client core is NOT in service.\n",
__func__);
timeout = op_timeout_secs * HZ;
/*
* Don't wait for the userspace component to return if
* the filesystem is being umounted anyway.
*/
if (op->upcall.type == ORANGEFS_VFS_OP_FS_UMOUNT)
timeout = 0;
else
timeout = op_timeout_secs * HZ;
}
spin_unlock(&orangefs_request_list_lock);