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* nfs(5): document new [no]resvport optionChuck Lever2009-03-041-0/+14
| | | | | | | Kernel 2.6.25 deprecates intr/nointr. Reflect this change in nfs(5). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* nfs(5): document new [no]resvport optionChuck Lever2009-03-041-0/+66
| | | | | | | | Kernel 2.6.28 adds a new mount option: [no]resvport. Document the new option in the nfs(5) man page. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* The legacy version of nfs_name_to_address() returned an incorrectChuck Lever2009-03-041-1/+1
| | | | | | | value for the size of the returned address. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* Converted good_client() to correctly use the tcp wrapperSteve Dickson2009-03-041-1/+3
| | | | | | | interface and added a note to the mountd man page saying hostnames will be ignored when they can not be looked up. Signed-off-by: Steve Dickson <steved@redhat.com>
* Exportfs and rpc.mountd optimalizationTomas Richter2009-02-184-10/+9
| | | | | | | | | | | | | | | | | | | | | | | | There were some problems with exportfs and rpc.mountd for long export lists - see https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=76643 I do optimalization as my bachelors thesis (Facuulty of informatics, Masaryk's university Brno, Czech Republic), under lead of Yenya Kasprzak. Both exportfs and rpc.mount build linked list of exports (shared functions in export.c). Every time they are inserting new export into list, they search for same export in list. I replaced linked list by hash table and functions export_add and export_lookup by functions hash_export_add and hash_export_lookup (export.c). Because some other functions required exportlist as linked list, hash table has some implementation modification im comparison with ordinary hash table. It also keeps exports in linked list and has pointer to head of the list. So there's no need of implementation function <for_all_in_hash_table>. Signed-off-by: Tomas Richter <krik3t@gmail.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* rpc.idmapd should tell the user more verbosely if DnotifyLukas Hejtmanek2009-02-181-2/+4
| | | | | | | support is missing in kernel. Signed-off-by: Lukas Hejtmanek <xhejtman@ics.muni.cz> Signed-off-by: Steve Dickson <steved@redhat.com>
* umount command: remove do_nfs_umount23 functionChuck Lever2009-02-171-93/+0
| | | | | | | Remove do_nfs_umount23() now that it is unused. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* umount.nfs command: Support AF_INET6 server addressesChuck Lever2009-02-171-4/+99
| | | | | | | | | | | | | | | | | | | | | | | Replace existing mount option parser in nfsumount.c with the new pmap stuffer function nfs_options2pmap(). Mount option parsing for umount.nfs now works the same as it does for mount option rewriting in the text-based mount.nfs command. This adds a number of new features: 1. The new logic supports resolving AF_INET6 server addresses 2. Support is added for the recently introduced "mountaddr" option. 3. Parsing numeric option values is much more careful 4. Option parsing no longer uses xmalloc/xstrdup, so it won't fail silently if memory can't be allocated 5. Mount program number set in /etc/rpc is respected 6. Mount doesn't exit with EX_USAGE if the hostname lookup fails Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* umount.nfs command: Add an AF_INET6-capable version of nfs_call_unmount()Chuck Lever2009-02-172-1/+56
| | | | | | | | | | | | | | | | | | We need an AF_INET6-capable version of nfs_call_unmount() to allow the umount.nfs command to support unmounting NFS servers over IPv6. The legacy mount.nfs command still likes to use nfs_call_umount(), so we leave it in place and introduce a new API that can take a "struct sockaddr *". The umount.nfs command will invoke this new API, but we'll leave the legacy mount.nfs command and the umount.nfs4 command alone. The umount.nfs4 command does not need this support because NFSv4 unmount operations are entirely local. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* The mount sockaddr len (mnt_salen) is not be set inSteve Dickson2009-02-171-2/+3
| | | | | | | | nfs_extract_server_addresses() which causes the mount.nfs command to segmentation fault when a NFS server only supports UDP mounts. Signed-off-by: Steve Dickson <steved@redhat.com>
* text-based mount command: fix return value from po_rightmost()Chuck Lever2009-02-174-14/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recently commit 0dcb83a8 changed the po_rightmost() function to distinguish among several possible mount options by taking a table containing the alternatives, and returning the table index of the entry which is rightmost in the mount option string. If it didn't find any mount option that matches an entry from the passed-in table, it returned zero. This was the same behavior it had before, when it only checked for two options at a time. It returned PO_NEITHER_FOUND, which was zero. Since this is C, however, zero also happens to be a valid index into the passed-in array of options. Modify the po_rightmost() function to return -1 if the entry wasn't found, and fix up the callers to look for a C-style array index that starts at zero. Thanks to Steve Dickson for troubleshooting the problem. His solution was merely to bump the return value, as callers already expected an ordinal index instead of a C-style index. I prefer this equivalent but slightly more extensive change because it makes the behavior of po_rightmost() more closely match how humans understand C arrays to work. Let's address some of the confusion that caused this bug, as well as fixing the run-time behavior. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* text-based mount command: support AF_INET6 in rewrite_mount_options()Chuck Lever2009-01-271-25/+49
| | | | | | | | | | Now that we have an AF_INET6-capable probe_bothports(), we can support AF_INET6 when rewriting text-based NFS mount options. This should be adequate to support NFS transport protocol and version negotiation with AF_INET6 NFS servers. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* text-based mount command: fix mount option rewriting logicChuck Lever2009-01-271-34/+79
| | | | | | | Fix a bunch of corner cases in the text-based mount option rewriting logic. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* text-based mount options: Use new pmap stuffer when rewriting mount optionsChuck Lever2009-01-271-63/+5
| | | | | | | | | | | all nfs_options2pmap() in nfs_rewrite_mount_options() instead of open-coding the logic to convert mount options to a pmap struct. The new nfs_options2pmap() function is more careful about avoiding invalid mount option values, and handles multiply-specified transport protocol options correctly. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* text-based mount command: Function to stuff "struct pmap" from mount optionsChuck Lever2009-01-272-0/+219
| | | | | | | | | Both the text-based mount.nfs command and the umount.nfs command need to fill in a pmap structure based on string mount options. Introduce a shared function that can do this. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* text-based mount command: make po_rightmost() work for N optionsChuck Lever2009-01-273-24/+41
| | | | | | | | | | | Sometimes we need to choose the rightmost option among multiple different mount options. For example, we want to find the rightmost of "proto," "tcp," and "udp". Or, the rightmost of "vers," "nfsvers," "v2," and "v3". Update po_rightmost() to choose among N options instead of just two. Signed-off-by: Steve Dickson <steved@redhat.com>
* showmount command: Quiesce warning when TI-RPC is disabledChuck Lever2009-01-071-7/+7
| | | | | | | | | | Make sure nfs_sm_pgmtbl is not compiled if TI-RPC functions are not available. This quiesces the following compiler warning: showmount.c:53: warning: nfs_sm_pgmtbl defined but not used Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* Merge branch 'master' of git://linux-nfs.org/nfs-utilsSteve Dickson2009-01-071-19/+58
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| * mount command: Random clean upChuck Lever2009-01-061-1/+2
| | | | | | | | | | | | | | Fix some documenting comments and an error message in configure.ac. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
| * mount command: use gethostbyname(3) when building on old systemsChuck Lever2009-01-061-0/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Glibc's getaddrinfo(3) implementation was added over time. Some old versions support AI_ADDRCONFIG, but don't define it in header files. Some older versions don't support AI_ADDRCONFIG at all. Let's add specific checks to configure.ac to see that the local getaddrinfo(3) implementation is complete. If it isn't, we will make available a resolver that uses gethostbyname(3) and disable IPv6 entirely. This patch should apply to 1.1.4 as well as the current nfs-utils repo. The next patch has a fix for the getaddrinfo(3) call added since 1.1.4 in support/nfs/getport.c. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
| * mount: revert recent fix for build problems on old systemsChuck Lever2009-01-061-18/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Revert the patch that added local definitions of AI_ADDRCONFIG and friends to utils/mount/network.c. While old header versions don't have those flags, even older versions of getaddrinfo(3) don't support those flags at all. The result is this error: mount.nfs: DNS resolution failed for 10.10.10.10: Bad value for ai_flags Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* | gssd: By default, don't spam syslog when users' credentials expireKevin Coffman2009-01-054-11/+11
|/ | | | | | | | | | | | | | | | | | Change the priority of "common" log messages so that syslog doesn't get slammed/spammed when users' credentials expire, or there is another common problem which would cause error messages for all context creation requests. Note that this will now require that gssd or svcgssd option "-v" is used to debug these common cases. Original patch from Andrew Pollock <apollock@google.com>. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> CC: Andrew Pollock <apollock@google.com>
* statd: not unlinking host filesSteve Dickson2008-12-173-17/+19
| | | | | | | | | | | | | | | Statd is not unlinking host files during SM_UNMON and SM_UNMON_ALL calls because the given host is still on the run-time notify list (rtnl) and the check flag is set when xunlink() is called. But the next thing the caller of xunlink() does is remove the host from the rtnl list which means the unlink will never happen. So this patch removes the check flag from xunlink() since its not needed and correctly allocates and frees memory used by xunlink(). Signed-off-by: Steve Dickson <steved@redhat.com>
* sm-notify command: fix a use-after-free bugChuck Lever2008-12-171-11/+14
| | | | | | | | | | | | | The recv_reply() function was referencing host->ai in a freeaddrinfo(3) call after it had freed @host. This is not likely to be harmful in a single-threaded user context, but it's still bad form, and it will get called out if testing sm-notify with poisoned free memory. The less noise, the better we are able to see real problems. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* text-based mount command: use po_get_numeric() for handling retryChuck Lever2008-12-171-9/+11
| | | | | | | | Replace the logic in nfs_parse_retry_option() with a call to the new po_get_numeric() function. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* text-based mount command: add function to parse numeric mount optionsChuck Lever2008-12-172-0/+58
| | | | | | | | Introduce a function that is especially for parsing keyword mount options that take a numeric value. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* svcgssd: use the actual context expiration for cacheKevin Coffman2008-12-111-7/+13
| | | | | | | | | | | | | | | Instead of sending down an infinite expiration value for the rsi(init) and rsc(context) cache entries, use a reasonable value for the rsi cache, and the actual context expiration value for the rsc cache. Prompted by a proposal from Neil Brown as a result of a complaint of a server running out of kernel memory when under heavy load of rpcsec_gss traffic. Neil's original patch used one minute for the init cache and one hour for the context cache. Using the actual expiration time prevents unnecessary context re-negotiation. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd/svcgssd: add support to retrieve actual context expirationKevin Coffman2008-12-118-17/+30
| | | | | | | | | Add some plumbing so that the context expiration can be returned while serializing the information. Later patch(es) will actually get the expiration and pass it down to the kernel. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount command: AF_INET6 support for probe_bothports()Chuck Lever2008-12-112-21/+68
| | | | | | | | | | | | | | | | Introduce an AF_INET6 capable probe_bothports() API. This means replacing "struct sockaddr_in *" arguments with a "struct sockaddr *" and a socklen_t arguments. These functions often combine a "struct sockaddr_in" and a "struct pmap" into a single "clnt_addr_t" argument. Instead of modifying "clnt_addr_t" and all the legacy code that uses it, I'm going to create a new probe_bothports() API for the text-based mount command that takes a "struct sockaddr *" and sockaddr length, and leave the existing probe_bothports() interface, which takes "clnt_addr_t" arguments, for legacy use. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount command: support AF_INET6 in probe_nfsport() and probe_mntport()Chuck Lever2008-12-111-16/+42
| | | | | | | | Flesh out support for AF_INET6 in the intermediate helper functions probe_nfsport() and probe_mntport(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount command: full support for AF_INET6 addresses in probe_port()Chuck Lever2008-12-111-10/+44
| | | | | | | | Now that probe_port() uses an AF_INET6-capable rpcbind query and RPC ping, finish updating probe_port() to support AF_INET6 addresses fully. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* sm-notify: always exiting without any notificationSteve Dickson2008-12-061-1/+2
| | | | | | | | Added curly brackets around the record_pid() check which stop sm-notify from exiting when a pid file does not exist. Signed-off-by: Steve Dickson <steved@redhat.com>
* mount command: remove local getport() implementationChuck Lever2008-12-021-74/+2
| | | | | | | | Eliminate local getport() implementation from utils/mount/network.c, as it is no longer used. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount command: Replace clnt_ping() and getport() calls in probe_port()Chuck Lever2008-12-021-14/+29
| | | | | | | | | | | Update the mount command's probe_port() function to call the new shared rpcbind query and RPC ping functions. This provides immediate support for rpcbind v3/v4 queries, and paves the way for supporting AF_INET6 in the probe_bothports() path. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount command: Use nfs_error() instead of perror()Chuck Lever2008-12-021-1/+2
| | | | | | | | So we can ensure that error output is directed appropriately, use nfs_error() instead of perror() in start_statd(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* mount command: Use nfs_pmap_getport() in probe_statd()Chuck Lever2008-12-021-18/+16
| | | | | | | | Repace the getport() and clnt_ping() calls in probe_statd() with their new shared equivalents. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* Ensure statd gets started if required when non-rootNeil Brown2008-11-262-2/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | user mounts an NFS filesystem. The first time an NFS filesystem is mounted, we start statd from /sbin/mount.nfs. If this first time is a non-root user doing the mount, (thanks to e.g. the 'users' option in /etc/fstab) then we need to be sure that the 'setuid' status from mount.nfs is inherited through to rpc.statd so that it runs as root. There are two places where we loose our setuid status due to the shell (/bin/sh) discarding. 1/ mount.nfs uses "system" to run /usr/sbin/start-statd. This runs a shell which is likely to drop privileges. So change that code to use 'fork' and 'execl' explicitly. 2/ start-statd is a shell script. To convince the shell to allow the program to run in privileged mode, we need to add a "-p" flag. We could just call setuid(getuid()) at some appropriate time, and it might be worth doing that as well, however I think that getting rid of 'system()' is a good idea and once that is done, the adding of '-p' is trivial and sufficient. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Steve Dickson <steved@redhat.com>
* gssd: unblock DNOTIFY_SIGNAL in case it was blocked.Neil Brown2008-11-261-0/+6
| | | | | | | | | | | | | | | | | | | | I have a situation where rpc.gssd appears to not be working. Mount attempts which need to communicate with it block. I've narrowed down the problem to that fact that all realtime signals have been blocked. This means that DNOTIFY_SIGNAL (which is a realtime signal) is never delivered, so gssd never rescans the rpc_pipe/nfs directory. It seems start_kde (or whatever it is called) and all descendants have these signals blocked. xfce seems to do the same thing. gnome doesn't. So if you start rpc.gssd from a terminal window while logged in via KDE, it doesn't behave as expected. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Steve Dickson <steved@redhat.com>
* showmount command: support querying IPv6 serversChuck Lever2008-11-251-0/+36
| | | | | | | | | | Introduce a version of nfs_get_mount_client() that supports AF_INET6 and AF_INET server addresses. If the TI-RPC library is not available when the showmount command is built, fall back to the legacy RPC user-space API. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* showmount command: move logic to acquire RPC client handle out of main()Chuck Lever2008-11-251-52/+64
| | | | | | | | | | In preparation to support IPv6 in the showmount command, extract the logic that parses/acquires the target hostname and converts it into an RPC client handle to contact the remote mountd service, and move it into its own function. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* showmount command: Remove unused local getport() implementationChuck Lever2008-11-251-105/+0
| | | | | | | | Clean up: remove showmount.c's local getport() implementation, now that the showmount command uses the shared one. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* showmount command: call nfs_getport instead of local getportChuck Lever2008-11-251-6/+8
| | | | | | | | | | Have the showmount command invoke the shared nfs_getport() function instead of its own local version. This gives the showmount command immediate support for querying via rpcbindv3/v4 in addition to portmapper, and sets the stage for AF_INET6 support in showmount. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* sm-notify should exit as soon as its determinedPhil Endecott2008-10-141-3/+10
| | | | | | | there are no hosts to notify. This also decreases start up time by a few seconds. Signed-off-by: Steve Dickson <steved@redhat.com>
* nfs(5): Clarify behavior of the mountproto= and proto= optionsChuck Lever2008-10-081-0/+85
| | | | | | | | Document the interaction between the mountproto= and the proto= mount options in a new subsection of nfs(5). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* Cleaned up the wording in the rpc.nfsd(8) manpageSteve Dickson2008-10-011-1/+1
| | | | | | (BZ: https://bugzilla.linux-nfs.org/show_bug.cgi?id=159) Signed-off-by: Steve Dickson <steved@redhat.com>
* Cleared up a contradiction in the export(5) man pageSteve Dickson2008-10-011-1/+1
| | | | | | (BZ: https://bugzilla.linux-nfs.org/show_bug.cgi?id=161) Signed-off-by: Steve Dickson <steved@redhat.com>
* mountd: change "unknown host" error message to "unmatched host"Jeff Layton2008-09-291-1/+1
| | | | | | | | | | | | | mount request from unknown host 10.11.14.99 for /export The hosts are listed in DNS with proper reverse records, so the reason why the host is "unknown" isn't clear. This patch just changes the wording of this error to hopefully make it more clear why the mount request was rejected. This also makes this error message use a format more similar to the other error messages in auth_authenticate(). Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* nfs(5): Replace the term "netid" in mount option descriptionsChuck Lever2008-09-291-8/+8
| | | | | | | | | | | | | | | | | | | | | | | TI-RPC introduced the concept of "netid" which is a string that is mapped to a set of transport capabilities via a netconfig database. RPC services register a netid and bindaddr with their local rpcbind daemon to advertise their ability to support particular transports. Mike Eisler noted that the use of the term "netid" in nfs(5) is not appropriate, since Linux does not treat the value of the proto= or mountproto= options as a netid proper, but rather to select a particular transport capability provided locally on the client. The Linux NFS client currently uses a simple internal mapping between these names and its own transport capabilities rather than using the names as part of an rpcbind query, thus these strings are really not netids. They are more akin to what TI-RPC calls "protocol names". Remove the term "netid" from nfs(5) for now. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Mike Eisler <mike.eisler@netapp.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* nfs(5): Replace the term "netid" in mount option descriptionsChuck Lever2008-09-291-6/+6
| | | | | | | | | | | | Mike Eisler noted that the use of the term "netid" in the descriptions of the "proto=" option is not appropriate, since Linux does not allow "udp6" or "tcp6". Replaced the term "netid" with "transport" in nfs(5). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Tom Talpey <Thomas.Talpey@netapp.com> Signed-off-by: Steve Dickson <steved@redhat.com>
* rpc.statd: Stop overloading sockfd in utils/statd/rmtcall.cChuck Lever2008-09-263-14/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Linux kernel's lockd requires that rpc.statd perform notification callbacks from a privileged source port. To guarantee rpc.statd gets a privileged source port but runs unprivileged, it calls statd_get_socket() then drops root privileges before starting it's svc request processing loop. Statd's svc request loop is the only caller of the process_foo() functions in utils/statd/rmtcall.c, but one of them, process_notify_list() attempts to invoke statd_get_socket() again. In today's code, this is unneeded because statd_get_socket() is always invoked before my_svc_run(). However, if it ever succeeded, it would get an unprivileged source port anyway, causing the kernel to reject all subsequent requests from statd. Thus the process_notify_list() function should not ever call statd_get_socket() because root privileges have been dropped by this point, and statd_get_socket() wouldn't get a privileged source port, causing the kernel to reject all subsequent SM_NOTIFY requests. So all of the process_foo functions in utils/statd/rmtcall.c should use the global sockfd instead of a local copy, as it already has a privileged source port. I've seen some unexplained behavior where statd starts making calls to the kernel via an unprivileged port. This could be one way that might occur. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>
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