- 01 Oct, 2010 9 commits
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Pavel Emelyanov authored
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
The net is known from the xprt_create and this tagging will also give un the context in the conntection workers where real sockets are created. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
After this the socket creation in it knows the context. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Benny Halevy authored
The existing code adjusted it based on the worst case scenario for the returned bitmap and the best case scenario for the supported attrs attribute. Signed-off-by: Benny Halevy <bhalevy@panasas.com> [bfields@redhat.com: removed likely/unlikely's] Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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- 29 Sep, 2010 1 commit
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Stephen Rothwell authored
On Wed, 29 Sep 2010 14:02:38 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote: > > After merging the final tree, today's linux-next build (powerpc > ppc44x_defconfig) produced tis warning: > > WARNING: net/sunrpc/sunrpc.o(.init.text+0x110): Section mismatch in reference from the function init_sunrpc() to the function .exit.text:rpcauth_remove_module() > The function __init init_sunrpc() references > a function __exit rpcauth_remove_module(). > This is often seen when error handling in the init function > uses functionality in the exit path. > The fix is often to remove the __exit annotation of > rpcauth_remove_module() so it may be used outside an exit section. > > Probably caused by commit 2f72c9b7 > ("sunrpc: The per-net skeleton"). This actually causes a build failure on a sparc32 defconfig build: `rpcauth_remove_module' referenced in section `.init.text' of net/built-in.o: defined in discarded section `.exit.text' of net/built-in.o I applied the following patch for today: Fixes: `rpcauth_remove_module' referenced in section `.init.text' of net/built-in.o: defined in discarded section `.exit.text' of net/built-in.o Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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- 27 Sep, 2010 9 commits
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Pavel Emelyanov authored
Everything that is required for that already exists: * the per-net cache registration with respective proc entries * the context (struct net) is available in all the users Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
Register empty per-net operations for the sunrpc layer. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
The transport representation should be per-net of course. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
Existing calls do the same, but for the init_net. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
There are two calls that operate on ip_map_cache and are directly called from the nfsd code. Other places will be handled in a different way. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
They do not require the rqst actually and having the xprt simplifies further patching. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
This is done in order to facilitate getting the ip_map_cache from which to put the ip_map. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pavel Emelyanov authored
The target is to have many ip_map_cache-s in the system. This particular patch handles its usage by the ip_map_parse callback. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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- 26 Sep, 2010 1 commit
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J. Bruce Fields authored
Note with "first" always 0, and "lastflags" initially 0, we always dump a spurious set of 0 flags at the start, among other problems. Fix. And attempt to make the code a little more obvious. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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- 23 Sep, 2010 1 commit
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Pavel Emelyanov authored
The git://linux-nfs.org/~bfields/linux.git nfsd-next branch doesn't compile when nfsd is a module with the following error: ERROR: "get_task_comm" [fs/nfsd/nfsd.ko] undefined! Replace the get_task_comm call with direct comm access, which is safe for current. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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- 22 Sep, 2010 6 commits
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NeilBrown authored
Add CONFIG_NFSD_DEPRECATED, default to y. Only include deprecated interface if this is defined. This allows distros to remove this interface before the official removal, and allows developers to test without it. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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NeilBrown authored
The syscall interface is has been replaced by a more flexible interface since 2.6.0. It is time to work towards discarding the old interface. So add a entry in feature-removal-schedule.txt and print a warning when the interface is used. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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NeilBrown authored
commit 6610f720 broke cache_clean_deferred as entries are no longer added to the pending list for subsequent revisiting. So put those requests back on the pending list. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Bryan Schumaker authored
This patch removes all but one call to lock_kernel() from the server. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Andy Shevchenko authored
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: linux-nfs@vger.kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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NeilBrown authored
Being a hash table, hlist is the best option. There is currently some ugliness were we treat "->next == NULL" as a special case to avoid having to initialise the whole array. This change nicely gets rid of that case. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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- 21 Sep, 2010 4 commits
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NeilBrown authored
Code like: switch(xxx) { case -error1: case -error2: .. return; case 0: stuff; } can more naturally be written: if (xxx < 0) return; stuff; Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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NeilBrown authored
The idmap code manages request deferal by waiting for a reply from userspace rather than putting the NFS request on a queue to be retried from the start. Now that the common deferal code does this there is no need for the special code in idmap. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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NeilBrown authored
Now that a slight delay in getting a reply to an upcall doesn't require deferring of requests, request deferral for all NFSv4 requests - the concept doesn't really fit with the v4 model. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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NeilBrown authored
If we drop a request in the sunrpc layer, either due kmalloc failure, or due to a cache miss when we could not queue the request for later replay, then close the connection to encourage the client to retry sooner. Note that if the drop happens in the NFS layer, NFSERR_JUKEBOX (aka NFS4ERR_DELAY) is returned to guide the client concerning replay. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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- 20 Sep, 2010 2 commits
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J. Bruce Fields authored
The last_close field of a cache_detail is initialized to zero, so the condition detail->last_close < seconds_since_boot() - 30 may be false even for a cache that was never opened. However, we want to immediately fail upcalls to caches that were never opened: in the case of the auth_unix_gid cache, especially, which may never be opened by mountd (if the --manage-gids option is not set), we want to fail the upcall immediately. Otherwise client requests will be dropped unnecessarily on reboot. Also document these conditions. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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J. Bruce Fields authored
Without some client-side fixes, server testing is currently difficult.
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- 12 Sep, 2010 7 commits
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Trond Myklebust authored
The NFSv4 client's callback server calls svc_gss_principal(), which is defined in the auth_rpcgss.ko The NFSv4 server has the same dependency, and in addition calls svcauth_gss_flavor(), gss_mech_get_by_pseudoflavor(), gss_pseudoflavor_to_service() and gss_mech_put() from the same module. The module auth_rpcgss itself has no dependencies aside from sunrpc, so we only need to select RPCSEC_GSS. Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Menyhart Zoltan authored
Hi, An NFS client executes a statfs("file", &buff) call. "file" exists / existed, the client has read / written it, but it has already closed it. user_path(pathname, &path) looks up "file" successfully in the directory-cache and restarts the aging timer of the directory-entry. Even if "file" has already been removed from the server, because the lookupcache=positive option I use, keeps the entries valid for a while. nfs_statfs() returns ESTALE if "file" has already been removed from the server. If the user application repeats the statfs("file", &buff) call, we are stuck: "file" remains young forever in the directory-cache. Signed-off-by: Zoltan Menyhart <Zoltan.Menyhart@bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
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Trond Myklebust authored
Reported-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
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Miquel van Smoorenburg authored
The maximum size of the authcache is now set to 1024 (10 bits), but on our server we need at least 4096 (12 bits). Increase MAX_HASHTABLE_BITS to 14. This is a maximum of 16384 entries, each containing a pointer (8 bytes on x86_64). This is exactly the limit of kmalloc() (128K). Signed-off-by: Miquel van Smoorenburg <mikevs@xs4all.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Bian Naimeng authored
spkm3 miss returning error to up layer when import security context, it may be return ok though it has failed to import security context. Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Bian Naimeng authored
krb5 miss returning error to up layer when import security context, it may be return ok though it has failed to import security context. Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Fabio Olive Leite authored
The do_vfs_lock function on fs/nfs/file.c is only called if NLM is not being used, via the -onolock mount option. Therefore it cannot really be "out of sync with lock manager" when the local locking function called returns an error, as there will be no corresponding call to the NLM. For details, simply check the if/else on do_setlk and do_unlk on fs/nfs/file.c. Signed-Off-By: Fabio Olive Leite <fleite@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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