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* lockd: Mostly remove BKL from the serverBryan Schumaker2010-09-22
| | | | | | | 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>
* sunrpc/cache: don't use custom hex_to_bin() converterAndy Shevchenko2010-09-21
| | | | | | | 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>
* sunrpc/cache: change deferred-request hash table to use hlist.NeilBrown2010-09-21
| | | | | | | | | | | 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>
* svcauth_gss: replace a trivial 'switch' with an 'if'NeilBrown2010-09-21
| | | | | | | | | | | | | | | | | | | | | | | 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>
* nfsd/idmap: drop special request deferal in favour of improved default.NeilBrown2010-09-21
| | | | | | | | | | | 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>
* nfsd: disable deferral for NFSv4NeilBrown2010-09-21
| | | | | | | | | 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>
* sunrpc: close connection when a request is irretrievably lost.NeilBrown2010-09-21
| | | | | | | | | | | | | 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>
* nfsd4: fix hang on fast-booting nfs serversJ. Bruce Fields2010-09-19
| | | | | | | | | | | | | | | | | | | 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>
* Merge remote branch 'trond/bugfixes' into for-2.6.37J. Bruce Fields2010-09-19
|\ | | | | | | Without some client-side fixes, server testing is currently difficult.
| * SUNRPC: Fix the NFSv4 and RPCSEC_GSS Kconfig dependenciesTrond Myklebust2010-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * statfs() gives ESTALE errorMenyhart Zoltan2010-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
| * NFS: Fix a typo in nfs_sockaddr_match_ipaddr6Trond Myklebust2010-09-12
| | | | | | | | | | | | Reported-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
| * sunrpc: increase MAX_HASHTABLE_BITS to 14Miquel van Smoorenburg2010-09-12
| | | | | | | | | | | | | | | | | | | | | | 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>
| * gss:spkm3 miss returning error to caller when import security contextBian Naimeng2010-09-12
| | | | | | | | | | | | | | | | 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>
| * gss:krb5 miss returning error to caller when import security contextBian Naimeng2010-09-12
| | | | | | | | | | | | | | | | 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>
| * Remove incorrect do_vfs_lock messageFabio Olive Leite2010-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * SUNRPC: cleanup state-machine orderingJ. Bruce Fields2010-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This is just a minor cleanup: net/sunrpc/clnt.c clarifies the rpc client state machine by commenting each state and by laying out the functions implementing each state in the order that each state is normally executed (in the absence of errors). The previous patch "Fix null dereference in call_allocate" changed the order of the states. Move the functions and update the comments to reflect the change. Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Fix a race in rpc_info_openTrond Myklebust2010-09-12
| | | | | | | | | | | | | | | | | | | | | | | | There is a race between rpc_info_open and rpc_release_client() in that nothing stops a process from opening the file after the clnt->cl_kref goes to zero. Fix this by using atomic_inc_unless_zero()... Reported-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
| * SUNRPC: Fix race corrupting rpc upcallTrond Myklebust2010-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If rpc_queue_upcall() adds a new upcall to the rpci->pipe list just after rpc_pipe_release calls rpc_purge_list(), but before it calls gss_pipe_release (as rpci->ops->release_pipe(inode)), then the latter will free a message without deleting it from the rpci->pipe list. We will be left with a freed object on the rpc->pipe list. Most frequent symptoms are kernel crashes in rpc.gssd system calls on the pipe in question. Reported-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
| * Fix null dereference in call_allocateJ. Bruce Fields2010-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In call_allocate we need to reach the auth in order to factor au_cslack into the allocation. As of a17c2153d2e271b0cbacae9bed83b0eaa41db7e1 "SUNRPC: Move the bound cred to struct rpc_rqst", call_allocate attempts to do this by dereferencing tk_client->cl_auth, however this is not guaranteed to be defined--cl_auth can be zero in the case of gss context destruction (see rpc_free_auth). Reorder the client state machine to bind credentials before allocating, so that we can instead reach the auth through the cred. Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
| * Linux 2.6.36-rc4v2.6.36-rc4Linus Torvalds2010-09-12
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| * docbook: skip files with no docs since they generate scary warningsRandy Dunlap2010-09-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix docbook templates that reference files that do not contain the expected kernel-doc notation. Fixes these warnings: Warning(arch/x86/include/asm/unaligned.h): no structured comments found Warning(lib/vsprintf.c): no structured comments found These cause errors in the generated html output, like below, so drop these lines. Name arch/x86/include/asm/unaligned.h - Document generation inconsistency Oops Warning The template for this document tried to insert the structured comment from the file arch/x86/include/asm/unaligned.h at this point, but none was found. This dummy section is inserted to allow generation to continue. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * docbook: warn on unused doc entriesJohannes Berg2010-09-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When you don't use !E or !I but only !F, then it's very easy to miss including some functions, structs etc. in documentation. To help finding which ones were missed, allow printing out the unused ones as warnings. For example, using this on mac80211 yields a lot of warnings like this: Warning: didn't use docs for DOC: mac80211 workqueue Warning: didn't use docs for ieee80211_max_queues Warning: didn't use docs for ieee80211_bss_change Warning: didn't use docs for ieee80211_bss_conf when generating the documentation for it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * kernel-doc: ignore case when stripping attributesJohannes Berg2010-09-11
| | | | | | | | | | | | | | | | | | | | | | There are valid attributes that could have upper case letters, but we still want to remove, like for example __attribute__((aligned(NETDEV_ALIGN))) as encountered in the wireless code. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * Merge branch 'pm-fixes' of ↵Linus Torvalds2010-09-11
| |\ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: PM / Hibernate: Avoid hitting OOM during preallocation of memory PM QoS: Correct pr_debug() misuse and improve parameter checks PM: Prevent waiting forever on asynchronous resume after failing suspend
| | * PM / Hibernate: Avoid hitting OOM during preallocation of memoryRafael J. Wysocki2010-09-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is a problem in hibernate_preallocate_memory() that it calls preallocate_image_memory() with an argument that may be greater than the total number of available non-highmem memory pages. If that's the case, the OOM condition is guaranteed to trigger, which in turn can cause significant slowdown to occur during hibernation. To avoid that, make preallocate_image_memory() adjust its argument before calling preallocate_image_pages(), so that the total number of saveable non-highem pages left is not less than the minimum size of a hibernation image. Change hibernate_preallocate_memory() to try to allocate from highmem if the number of pages allocated by preallocate_image_memory() is too low. Modify free_unnecessary_pages() to take all possible memory allocation patterns into account. Reported-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Tested-by: M. Vefa Bicakci <bicave@superonline.com>
| | * PM QoS: Correct pr_debug() misuse and improve parameter checksmark gross2010-09-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | Correct some pr_debug() misuse and add a stronger parameter check to pm_qos_write() for the ASCII hex value case. Thanks to Dan Carpenter for pointing out the problem! Signed-off-by: mark gross <markgross@thegnar.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
| | * PM: Prevent waiting forever on asynchronous resume after failing suspendColin Cross2010-09-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During suspend, the power.completion is expected to be set when a device has not yet started suspending. Set it on init to fix a corner case where a device is resumed when its parent has never suspended. Consider three drivers, A, B, and C. The parent of A is C, and C has async_suspend set. On boot, C->power.completion is initialized to 0. During the first suspend: suspend_devices_and_enter(...) dpm_resume(...) device_suspend(A) device_suspend(B) returns error, aborts suspend dpm_resume_end(...) dpm_resume(...) device_resume(A) dpm_wait(A->parent == C) wait_for_completion(C->power.completion) The wait_for_completion will never complete, because complete_all(C->power.completion) will only be called from device_suspend(C) or device_resume(C), neither of which is called if suspend is aborted before C. After a successful suspend->resume cycle, where B doesn't abort suspend, C->power.completion is left in the completed state by the call to device_resume(C), and the same call path will work if B aborts suspend. Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
| * | Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds2010-09-11
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] fix use-after-free in scsi_init_io() [SCSI] sd: fix medium-removal bug [SCSI] qla2xxx: Update version number to 8.03.04-k0. [SCSI] qla2xxx: Check for empty slot in request queue before posting Command type 6 request. [SCSI] qla2xxx: Cover UNDERRUN case where SCSI status is set. [SCSI] qla2xxx: Correctly set fw hung and complete only waiting mbx. [SCSI] qla2xxx: Reset seconds_since_last_heartbeat correctly. [SCSI] qla2xxx: make rport deletions explicit during vport removal [SCSI] qla2xxx: Fix vport delete issues [SCSI] sd, sym53c8xx: Remove warnings after vsprintf %pV introducation. [SCSI] Fix warning: zero-length gnu_printf format string [SCSI] hpsa: disable doorbell reset on reset_devices [SCSI] be2iscsi: Fix for Login failure [SCSI] fix bio.bi_rw handling
| | * | [SCSI] fix use-after-free in scsi_init_io()James Bottomley2010-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | we're using a pointer through a freed command to reset the request, which has shown up as an oops with slab poisoning: Reported-by: Tejun Heo <tj@kernel.org> Reported-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] sd: fix medium-removal bugAlan Stern2010-09-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 409f3499a2cfcd1e9c2857c53af7fcce069f027f (scsi/sd: remove big kernel lock) introduced a bug in the sd_release routine. Medium removal should be allowed when the number of open file references drops to 0, not when it becomes non-zero. This patch (as1414) adjusts the test to fix the bug. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] qla2xxx: Update version number to 8.03.04-k0.Madhuranath Iyengar2010-09-05
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] qla2xxx: Check for empty slot in request queue before posting Command ↵Giridhar Malavali2010-09-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | type 6 request. For ISP82xx, the check for empty slot in request queue before posting command type 6 request was missing. This could lead to request queue entry corruptions causing IO timeouts. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] qla2xxx: Cover UNDERRUN case where SCSI status is set.Lalit Chandivade2010-09-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, if target sets the SCSI Status (with Check condition) and there is no FCP residual bit set then driver does not check for dropped frame. This could lead to data corruption. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] qla2xxx: Correctly set fw hung and complete only waiting mbx.Giridhar Malavali2010-09-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The fw_hung flag should be set ir-respective of if there is a mbx command pending or not. Also the complete should be called if there is a mbx waiting. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] qla2xxx: Reset seconds_since_last_heartbeat correctly.Lalit Chandivade2010-09-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The seconds_since_last_heartbeat should be checked for consecutive heartbeat checks. Currently it could happen that seconds_since_last_heartbeat gets set to max (2 seconds) for non-consecutive heartbeat checks. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] qla2xxx: make rport deletions explicit during vport removalArun Easi2010-09-05
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] qla2xxx: Fix vport delete issuesArun Easi2010-09-05
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] sd, sym53c8xx: Remove warnings after vsprintf %pV introducation.David Miller2010-09-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GCC warns about empty printf format strings, and after the addition of %pV these existing such cases in the scsi driver layer were exposed enough for the compiler to start seeing them. Based almost entirely upon a patch by Joe Perches. [jejb: fix up sym53c8xx msg] Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] Fix warning: zero-length gnu_printf format stringJean Sacren2010-09-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | warning: zero-length gnu_printf format string Fix the above warning by inserting a space into the literal string. Signed-off-by: Jean Sacren <sakiwit@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] hpsa: disable doorbell reset on reset_devicesStephen M. Cameron2010-09-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The doorbell reset initially appears to work correctly, the controller resets, comes up, some i/o can even be done, but on at least some Smart Arrays in some servers, it eventually causes a subsequent controller lockup due to some kind of PCIe error, and kdump can end up leaving the root filesystem in an unbootable state. For this reason, until the problem is fixed, or at least isolated to certain hardware enough to be avoided, the doorbell reset should not be used at all. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] be2iscsi: Fix for Login failureJayamohan Kallickal2010-09-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current code in tree has problems with Login. This patch fixes the Login Failure . Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com> [mnc: Can't believe I missed that.] Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| | * | [SCSI] fix bio.bi_rw handlingJiri Slaby2010-09-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Return of the bi_rw tests is no longer bool after commit 74450be1. So testing against constants doesn't make sense anymore. Fix this bug in osd_req_read by removing "== 1" in test. This is not a problem now, where REQ_WRITE is 1, but this can change in the future and we don't want to rely on that. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| * | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2010-09-11
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (28 commits) ipheth: remove incorrect devtype to WWAN MAINTAINERS: Add CAIF sctp: fix test for end of loop KS8851: Correct RX packet allocation udp: add rehash on connect() net: blackhole route should always be recalculated ipv4: Suppress lockdep-RCU false positive in FIB trie (3) niu: Fix kernel buffer overflow for ETHTOOL_GRXCLSRLALL ipvs: fix active FTP gro: Re-fix different skb headrooms via-velocity: Turn scatter-gather support back off. ipv4: Fix reverse path filtering with multipath routing. UNIX: Do not loop forever at unix_autobind(). PATCH: b44 Handle RX FIFO overflow better (simplified) irda: off by one 3c59x: Fix deadlock in vortex_error() netfilter: discard overlapping IPv6 fragment ipv6: discard overlapping fragment net: fix tx queue selection for bridged devices implementing select_queue bonding: Fix jiffies overflow problems (again) ... Fix up trivial conflicts due to the same cgroup API thinko fix going through both Andrew and the networking tree. However, there were small differences between the two, with Andrew's version generally being the nicer one, and the one I merged first. So pick that one. Conflicts in: include/linux/cgroup.h and kernel/cgroup.c
| | * \ \ Merge branch 'vhost-net' of ↵David S. Miller2010-09-10
| | |\ \ \ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
| | | * | | vhost: error handling fixMichael S. Tsirkin2010-09-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | vhost should set worker to NULL on cgroups attach failure, so that we won't try to destroy the worker again on close. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| | | * | | vhost: fix attach to cgroups regressionMichael S. Tsirkin2010-09-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since 2.6.36-rc1, non-root users of vhost-net fail to attach if they are in any cgroups. The reason is that when qemu uses vhost, vhost wants to attach its thread to all cgroups that qemu has. But we got the API backwards, so a non-priveledged process (Qemu) tried to control the priveledged one (vhost), which fails. Fix this by switching to the new cgroup_attach_task_all, and running it from the vhost thread. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| | | * | | cgroups: fix API thinkoMichael S. Tsirkin2010-09-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cgroup_attach_task_current_cg API that have upstream is backwards: we really need an API to attach to the cgroups from another process A to the current one. In our case (vhost), a priveledged user wants to attach it's task to cgroups from a less priveledged one, the API makes us run it in the other task's context, and this fails. So let's make the API generic and just pass in 'from' and 'to' tasks. Add an inline wrapper for cgroup_attach_task_current_cg to avoid breaking bisect. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com>
| | * | | | ipheth: remove incorrect devtype to WWANDan Williams2010-09-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 'wwan' devtype is meant for devices that require preconfiguration and *every* time setup before the ethernet interface can be used, like cellular modems which require a series of setup commands on serial ports or other mechanisms before the ethernet interface will handle packets. As ipheth only requires one-per-hotplug pairing setup with no preconfiguration (like APN, phone #, etc) and the network interface is usable at any time after that initial setup, remove the incorrect devtype wwan. Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | | | MAINTAINERS: Add CAIFJoe Perches2010-09-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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