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* umount.nfs: umount doesn't recognize a busy file systemChuck Lever2007-09-251-3/+7
| | | | | | | | | | umount.nfs shouldn't remove a busy file system from /etc/mtab, and should report and return an error. I also added an extra "goto" to make the flow of control more clear, and to reduce the chance that a future change in this logic will break it. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* umount.nfs: Refactor remount logic in umount.nfsChuck Lever2007-09-251-17/+26
| | | | | | | | Clean up: move the remount logic into its own function. This makes it easier to fix a bug in the next patch. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* umount.nfs: Fix white space damage in nfsumount.cChuck Lever2007-09-251-58/+58
| | | | | | | Replace leading blanks with tabs in del_mtab(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Add error messages for errors reported by text-based mount(2)Chuck Lever2007-09-251-2/+18
| | | | | | | | | The text-based mount(2) system call API can return some additional errors that we would like to report correctly to our users. These should be safe to use with the legacy mount(2) ABI as well. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* text-based mount.nfs: Add text-based error reporting functionChuck Lever2007-09-252-0/+57
| | | | | | | | | | | | The mount_errors() function prints an error based on what just happened in the user-space RPC library. This is meaningless for text-based mounts, since they don't use the RPC library for most things. Add a new error printing function that the text-based logic can use to report an error. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: rename mount_errors()Chuck Lever2007-09-254-10/+19
| | | | | | | | | | The function mount_errors() actually reports RPC errors generated by the user-land RPC library. We're about to add a similar function for reporting system call errors via errno, so rename mount_errors() to be more specific about what it does. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* text-based mount.nfs: Use "child" instead of "bg" for nfsmount_sChuck Lever2007-09-251-3/+3
| | | | | | | | Match a recent change to nfs4mount_s -- eventually it will become clear why these were renamed. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Don't leak mount_optsChuck Lever2007-09-251-6/+11
| | | | | | | | A C string containing the user's requested mount options is constructed by the main mount function in utils/mount/mount.c, but is never freed. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Don't leak extra_optsChuck Lever2007-09-251-0/+1
| | | | | | | The mount.nfs[4] command should properly release extra_opts before exiting. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* text-based mount.nfs: Fix memory leak in add_mtab()Chuck Lever2007-09-251-0/+2
| | | | | | | | The add_mtab() function in utils/mount/mount.c calls fix_opts_string() to construct an /etc/mtab entry, but never frees the result. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: teach [u]mount.nfs[4] to exit with EX_SUCCESS instead of 0Chuck Lever2007-09-255-10/+10
| | | | | | | Use the newly defined EX_SUCCESS exit code in all the right places. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Provide comments for public network functionsChuck Lever2007-09-251-5/+37
| | | | | | | | Clean up: Document public functions in util/mount/network.c with block comments. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* Fix the usage message for gssd to reflect new optionKevin Coffman2007-09-111-1/+1
| | | | | | | Fix the usage message for gssd to reflect new -M option added in 1.1.0 Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Update description of clientaddr= in nfs(5)Chuck Lever2007-09-051-5/+17
| | | | | | | | The description of clientaddr= in nfs(5) is out of date and omits some other typical reasons for using it. Expand its description. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: restore admin-specified clientaddr optionChuck Lever2007-09-051-7/+4
| | | | | | | | | | | Revert an earlier change to make specifying the clientaddr= option illegal. Jeff Layton pointed out that admins may want to specify the clientaddr= option to advertise a different callback address when accessing an NFSv4 server through a NAT router. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Add a block comment before mount_error() and umount_error()Chuck Lever2007-08-251-1/+11
| | | | | | | | Add block comments before mount_error() and umount_error() to help distinguish them from the other error reporting functions. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Remove get_my_ipv4addr() from utils/mount/stropts.cChuck Lever2007-08-251-25/+0
| | | | | | | | The get_my_ipv4addr() function is no longer used, so remove it from utils/mount/stropts.c. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Use get_client_addr() to build clientaddr= optionChuck Lever2007-08-251-9/+9
| | | | | Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Create a new API to find out client's addressChuck Lever2007-08-252-0/+47
| | | | | | | | | | | | Provide a version of clnt_ping() that discovers the client's address, but doesn't do an RPC ping. The in-kernel text-based mount code already does a ping, so all we need here is address discovery. As well, add a block comment in front of clnt_ping() that hopefully elucidates the differences. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Refactor parse_devname and fill_ipv4_addrChuck Lever2007-08-251-32/+34
| | | | | | | | | We will eventually need the server address in both append_addr_opt() and append_clientaddr_opt(). Call parse_devname() and fill_ipv4_addr() from the top level functions. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Use dynamically allocated character buffersChuck Lever2007-08-251-27/+58
| | | | | | | | | | | Replace the use of static character arrays with buffers allocated via xstrdup() in stropts.c. I added a couple of extra length checks; not sure if these are really necessary. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Remove get_my_ipv4addr() from append_addr_opt()Chuck Lever2007-08-251-3/+1
| | | | | | | | The result of the get_my_ipv4addr() function is not used in append_addr_opt(), so remove the call and the ip_addr variable. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Don't allow the user to specify addr= or clientaddr=.Chuck Lever2007-08-251-8/+24
| | | | | | | | | | | | The current mount.nfs implementation doesn't allow users to specify their own addr= or clientaddr= option. The new string-based interface does allow this, even though nfs(5) does not document 'addr=' and specifically forbids adding 'clientaddr='. Make the addition of either option by the user a permanent error. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Fix nfs4mount_s prototype.Chuck Lever2007-08-251-2/+3
| | | | | | | | The definition of nfs4mount_s in utils/mount/stropts.c doesn't match the prototype declared in utils/mount/stropts.h. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Combine two verbose messages into oneChuck Lever2007-08-241-10/+2
| | | | | | | A little less noise. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: getport() should avoid modifying passed-in argumentsChuck Lever2007-08-241-5/+9
| | | | | | | | Defensive coding: getport() shouldn't alter the passed-in server address, but should treat it as read only. Have it operate on a copy. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Replace fork() with daemon() for backgrounding mountsChuck Lever2007-08-241-3/+8
| | | | | | | | | | Neil recommended this change to address a problem with background mount processes handling signals properly during an init level change. It is also useful for preventing background mount processes from reporting progress on the parent's tty, which is generally just annoying noise. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount: Small tidy up.Neil Brown2007-08-241-3/+1
| | | | | | | 1/ remove confusing sentence from a comment. 2/ remove needless 'exit' - just fall through to common exit. Signed-off-by: Neil Brown <neilb@suse.de>
* nfsstat: Add -S/--since flag.david m. richter2007-08-161-18/+134
| | | | | | | | | | | | | | | | Read statistics from the file given with -S/--since and display the difference between those and the current statistics. Valid stat files are those in the form of /proc/net/rpc/nfs, /proc/net/rpc/nfsd, or any "pretty" output from nfsstat itself. Statistics that are missing from a "pretty" stat file are treated as zeroes. Similar to Neil Brown's suggestion, one might use this in conjunction with watch(1) like this: $ watch "nfsstat --since /tmp/stats; nfsstat >/tmp/stats" Signed-off-by: David M. Richter <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* nfsstat: #define stat header labels.david m. richter2007-08-161-20/+35
| | | | | | | | | Make #defines for the stat header labels, use for output, and add to struct statinfo. This will be used by a subsequent patch for -S/--since. Signed-off-by: David M. Richter <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* nfsstat: Remove some pointer comparisons against global statinfos.david m. richter2007-08-161-12/+15
| | | | | | | | Pass-in an "is_srv" arg instead of doing pointer comparisons against the static statinfo arrays themselves. Signed-off-by: David M. Richter <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* nfsstat: Obviate and remove copy_stats().david m. richter2007-08-161-25/+18
| | | | | | | | | Rather than copying stats during --sleep, instead introduce a few pointers and rearrange them to avoid the copy. Will be useful with --since, too. Signed-off-by: David M. Richter <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* nfsstat: rename *_tmp variables to *_old.david m. richter2007-08-161-19/+19
| | | | | | | | | To make a subsequent patch a little clearer, make it explicit that current *_tmp variables are actually always/only the "old" set used in comparisons. Signed-off-by: David M. Richter <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* Restrict -i option to root.Neil Brown2007-08-111-0/+5
| | | | | | As it is still under development, don't expose it - just in case. Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Enable mount.nfs to do text-based mount supportChuck Lever2007-08-111-8/+30
| | | | | | | | | | | | | | | | | A new command line option, "-i", is added to mount.nfs to force the use of the string interface for testing purposes. "-s", "-t", and "-r" are already taken or have legacy meaning so I picked "-i". At some later point, when everyone is comfortable with the string mount option parsing implementation, we will add a switch based on kernel version, and remove the "-i" command line option. For now, I am more comfortable enabling it by hand instead. Since this is a temporary arrangement, I'm leaving the option undocumented in the mount.nfs man page. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Add new files for supporting string-ified mount optionsChuck Lever2007-08-113-2/+358
| | | | | | | | | | | | | | Introduce support files which contain code that builds string mount options and passes them to the kernel. This is a pre-requisite for actually enabling /sbin/mount.nfs to do text-based mounts. This is only partially complete at the moment, but is presented so that folks can start banging on the kernel mount option string parsing code. There are clearly still parts that are not implemented quite yet, such as bg and retry support, but it should be enough to get going. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Replace a "return 0; " that should be an "exit(0); "Chuck Lever2007-08-111-1/+1
| | | | | Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Treat another UDP/TCP pair of strings like the restChuck Lever2007-08-111-1/+1
| | | | | | | See the error messages at the end of utils/mount/network.c:get_socket() Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* umount.nfs: Update umount.nfs(8)Chuck Lever2007-08-101-4/+3
| | | | | | | Account for recent changes to the umount.nfs command. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Update the mount.nfs(8) man pageChuck Lever2007-08-102-21/+10
| | | | | | | Account for recent changes to the mount.nfs command. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* nfsstat: include -Z/--sleep in the manpagedavid m. richter2007-08-091-1/+11
| | | | | | | Add a little blurb about -Z/--sleep to the nfsstat manpage. Signed-off-by: David M. Richter <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* nfsstat: rename --diff-stat to --sleepdavid m. richter2007-08-091-7/+7
| | | | | | | | As per Bruce Fields' suggestion, rename the clunky -D/--diff-stat to the more-intuitive -Z/--sleep. Signed-off-by: David M. Richter <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* nfsstat: fix a bug in diff_stats()david m. richter2007-08-091-4/+25
| | | | | | | | | Fix a bug in diff_stats() that causes false-positives in has_stats(), which can result in a bunch of zeros being displayed instead of suppressed as intended. Signed-off-by: David M. Richter <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* nfsstat: add a comment to has_stats()david m. richter2007-08-091-1/+7
| | | | | | | Clarify what has_stats() is actually doing. Signed-off-by: David M. Richter <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* nfsstat: display 3 additional NFSv4 client op countersdavid m. richter2007-08-091-4/+5
| | | | | | | | | Display three extra NFSv4 client counters that are already exposed in /proc/net/rpc/nfs: GETACL, SETACL, and FS_LOCATIONS. Won't cause trouble on older kernels that might lack those counters. Signed-off-by: David M. Richter <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de>
* fix regression with rmtab handling in newer nfs-utils codeJeff Layton2007-08-071-3/+1
| | | | | | | | | commit dbfcba5b03481d49f3e78946fe8fd066e2025545 incorrectly added some mountlist_add calls. Removed them again. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Fix background mountsChuck Lever2007-08-041-1/+23
| | | | | | | | The new mount.nfs helper does not support background mounts. Add support for background mounts. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: Refactor mount logic to allow support for "bg" optionChuck Lever2007-08-041-16/+27
| | | | | | | Refactor main() a bit to make adding support for "bg" option easier. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: restore bg argument to nfsmount() and nfs4mount()Chuck Lever2007-08-045-7/+9
| | | | | | | | To enable background mounting again, restore the "bg" argument to nfsmount() and nfs4mount() that was recently removed. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
* mount.nfs: get_socket() may clobber errno, but preserves .re_errnoChuck Lever2007-08-041-12/+4
| | | | | | | | | | get_socket() guarantees that rpc_createerr.cf_error.re_errno is set correctly after an error, but it can wipe errno if it has to print an error message. Make sure that clnt_ping() checks the correct error code when get_socket() returns. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de>
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