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virtiofsd: Handle hard reboot

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Handle a
  mount
  hard reboot (without unmount)
  mount

we get another 'init' which FUSE doesn't normally expect.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2018-11-22 16:05:09 +00:00
parent c806d6435f
commit e8556f4909
1 changed files with 15 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

16
tools/virtiofsd/fuse_lowlevel.c
View file

@ -2433,7 +2433,21 @@ void fuse_session_process_buf_int(struct fuse_session *se,
goto reply_err; goto reply_err;
} }
} else if (in->opcode == FUSE_INIT || in->opcode == CUSE_INIT) { } else if (in->opcode == FUSE_INIT || in->opcode == CUSE_INIT) {
goto reply_err; if (fuse_lowlevel_is_virtio(se)) {
/*
* TODO: This is after a hard reboot typically, we need to do
* a destroy, but we can't reply to this request yet so
* we can't use do_destroy
*/
fuse_log(FUSE_LOG_DEBUG, "%s: reinit\n", __func__);
se->got_destroy = 1;
se->got_init = 0;
if (se->op.destroy) {
se->op.destroy(se->userdata);
}
} else {
goto reply_err;
}
} }
err = EACCES; err = EACCES;