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2012-09-28NFSv4.1: Remove redundant reference to the pnfs_layout_hdrTrond Myklebust
Each layout segment already holds a reference to the pnfs_layout_hdr, so there is no need to hold an extra reference that is released once the last layout segment is freed. Ensure that pnfs_find_alloc_layout() always returns a reference to the pnfs_layout_hdr, which will be matched by the final call to pnfs_put_layout_hdr() in pnfs_update_layout(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Rename the pnfs_put_lseg_common to pnfs_layout_remove_lsegTrond Myklebust
The latter name is more descriptive of the actual function. Also rename pnfs_insert_layout to pnfs_layout_insert_lseg. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: reset the inode MDS threshold counters on layout destructionTrond Myklebust
Instead of resetting the inode MDS threshold counters when we mark the layout for destruction, do it as part of freeing the layout. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Get rid of pNFS layout state "NFS_LAYOUT_INVALID"Trond Myklebust
In all cases where we set NFS_LAYOUT_INVALID, we also set NFS_LAYOUT_DESTROYED. Furthermore, in all cases where we test for NFS_LAYOUT_INVALID, we should also be testing for NFS_LAYOUT_DESTROYED, since the latter means that we hold no valid layout segments. Ergo the two are redundant. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Simplify the pNFS return-on-close codeTrond Myklebust
Confine it to the nfs4_do_close() code. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Fix a race in the pNFS return-on-close codeTrond Myklebust
If we sleep after dropping the inode->i_lock, then we are no longer atomic with respect to the rpc_wake_up() call in pnfs_layout_remove_lseg(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: pnfs_layout_io_set_failed must clear invalid lsegsTrond Myklebust
If pnfs_layout_io_test_failed() authorises a retry of the failed layoutgets, we should clear the existing layout segments so that we start afresh. Do this in pnfs_layout_io_set_failed(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Don't drop the pnfs_layout_hdr after a layoutget failureTrond Myklebust
We want to cache the pnfs_layout_hdr after a layoutget or i/o failure so that pnfs_update_layout() can find it and know when it is time to retry. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Fix a reference leak in pnfs_update_layoutTrond Myklebust
If we exit after the call to pnfs_find_alloc_layout(), we have to ensure that we put the struct pnfs_layout_hdr. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: pNFS data servers may be temporarily offlineTrond Myklebust
In cases where the pNFS data server is just temporarily out of service, we want to mark it as such, and then try again later. Typically that will be in cases of network connection errors etc. This patch allows us to mark the devices as being "unavailable" for such transient errors, and will make them available for retries after a 2 minute timeout period. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Retry pNFS after a 2 minute timeoutTrond Myklebust
If we had to fall back to read/write through MDS, then assume that we should retry pNFS after a suitable timeout period. The following patch sets a timeout of 2 minutes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Add helpers for setting/reading the I/O fail bitTrond Myklebust
...and make them local to the pnfs.c file. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Replace dprintk() in pnfs_update_layout with something less buggyTrond Myklebust
Dereferencing nfsi->layout in order to read plh_flags without holding a spin lock is bug prone. Furthermore, the dprintk() tells you nothing about whether or not the call succeeded. Replace it with something that tells you about whether or not a valid layout segment was returned for the inode in question. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Replace get_device_info() with filelayout_get_device_info()Trond Myklebust
Fix the namespace pollution issue. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Cleanup; add "pnfs_" prefix to put_lseg() and get_lseg()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Cleanup; add "pnfs_" prefix to get_layout_hdr() and put_layout_hdr()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4.1: Cleanup add a "pnfs_" prefix to mark_matching_lsegs_invalidTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFS: Clean up the pNFS layoutget interfaceTrond Myklebust
Ensure that we do return errors from nfs4_proc_layoutget() and that we don't mark the layout as having failed if the error was due to a signal or resource problem on the client side. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28SUNRPC: Get rid of the redundant xprt->shutdown bit fieldTrond Myklebust
It is only set after everyone has dereferenced the transport, and serves no useful purpose: setting it is racy, so all the socket code, etc still needs to be able to cope with the cases where they miss reading it. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFS: Write the entire file if a server reboot occurs during fsync()Trond Myklebust
This is to ensure that we don't clear the NFS_CONTEXT_RESEND_WRITES flag while there are still writes that haven't been resent. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFS: Fix fdatasync/fsync() when confronted with a server rebootTrond Myklebust
If the server reboots before it can commit the unstable writes to disk, then nfs_commit_release_pages() will detect this when it compares the verifier returned by COMMIT to the one returned by WRITE. When this happens, the client needs to resend those writes in order to guarantee that they make it to stable storage. This patch adds a signalling mechanism to notify fsync() that it needs to retry all writes before it can exit. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFSv4: Convert the nfs4_lock_state->ls_flags to a bit fieldTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFS: Clean up helper function nfs4_select_rw_stateid()Trond Myklebust
We want to be able to pass on the information that the page was not dirtied under a lock. Instead of adding a flag parameter, do this by passing a pointer to a 'struct nfs_lock_owner' that may be NULL. Also reuse this structure in struct nfs_lock_context to carry the fl_owner_t and pid_t. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28NFS: Convert nfs_get_lock_context to return an ERR_PTR on failureTrond Myklebust
We want to be able to distinguish between allocation failures, and the case where the lock context is not needed (because there are no locks). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28SUNRPC: Optimise away unnecessary data moves in xdr_align_pagesTrond Myklebust
We only have to call xdr_shrink_pagelen() if the remaining RPC message does not fit in the page buffer length that we supplied to xdr_align_pages(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-28ARM: shmobile: add new __iomem annotation for new codeArnd Bergmann
While we fixed up all instances that were already present in v3.6, this one came in through new code. Without this patch, building kzm9g_defconfig results in: arch/arm/mach-shmobile/board-kzm9g.c: In function 'kzm9g_restart': arch/arm/mach-shmobile/board-kzm9g.c:781:2: warning: passing argument 2 of '__raw_writel' makes pointer from integer without a cast [enabled by default] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Cc: Tetsuyuki Kobayashi <koba@kmckk.co.jp> Cc: Simon Horman <horms@verge.net.au>
2012-09-28Merge branch 'bcmring/removal' into next/multiplatformArnd Bergmann
The removal of bcmring has non-obvious commits with the way the multiplatform configuration works, so merge it in here. Conflicts: arch/arm/Kconfig arch/arm/Makefile arch/arm/mach-bcmring/arch.c Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28Merge branch 'bcmring/removal' into next/cleanup2Arnd Bergmann
From "Christian Daudt" <csd@broadcom.com>: Remove mach-bcmring as this is no longer maintained or used. Updated the removal with: - drop the edit to mach-types requested by Russell King - eliminate defconfig mod from patch 1 requested Olof Johansson Also switched to using git send-email to avoid word-wrapping problems * bcmring/removal: ARM: Remove mach-bcmring Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28Merge branch 'bcmring/cleanup' into bcmring/removalArnd Bergmann
Doing a large-scale cleaning and removing the platform in another branch don't mix well, so do the trivial merge here. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28ARM: Remove mach-bcmringArnd Bergmann
Remove mach-bcmring as this is no longer maintained or used. Signed-off-by: Christian Daudt <csd@broadcom.com> Reviewed-by: Jiandong Zheng <jdzheng@broadcom.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28Merge branch 'clps711x/cleanup' into next/cleanup2Arnd Bergmann
Various cleanups for the clps711x platform from Alexander Shiyan <shc_work@mail.ru> via email: * clps711x/cleanup: ARM: clps711x: Remove board support for CEIVA ARM: clps711x: Fix register definitions ARM: clps711x: Fix lowlevel debug-macro ARM: clps711x: Added simple clock framework Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-28get_dvb_firmware: fix download site for tda10046 firmwareMauro Carvalho Chehab
The previous website doesn't exist anymore. Update it to one site that actually exists. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-28ARM: clps711x: Remove board support for CEIVAAlexander Shiyan
The current kernel does not fit in the CEIVA ROM. Also, some functional has already been removed due migrate from 2.6 to 3.0, and it seems that no one uses this platform. So, remove support for this board and modules specific only to this board. Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
2012-09-28ARM: clps711x: Fix register definitionsAlexander Shiyan
This patch contain some fixes: - Fixes the address of register PORTE. - Corrects name for DAIDR0 register. - Removes unused definition for SYNCIO_CFGLEN. - Fixes definition SYNCIO_FRMLEN. Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
2012-09-28ARM: clps711x: Fix lowlevel debug-macroAlexander Shiyan
CTS signal can not be used for the port and tied to any logic state. In this case we have an infinite loop waiting for the signal. For fix this problem, checking CTS removed, waiting for the signal "busy" was postponed after the byte write to the port. Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
2012-09-28ARM: clps711x: Added simple clock frameworkAlexander Shiyan
Modern CPUs from CLPS711X-line can operate at frequencies other than 73 MHz. This patch adds simple clock framework for handling all possible CPU rates. Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
2012-09-28mtdchar: fix offset overflow detectionLinus Torvalds
Sasha Levin has been running trinity in a KVM tools guest, and was able to trigger the BUG_ON() at arch/x86/mm/pat.c:279 (verifying the range of the memory type). The call trace showed that it was mtdchar_mmap() that created an invalid remap_pfn_range(). The problem is that mtdchar_mmap() does various really odd and subtle things with the vma page offset etc, and uses the wrong types (and the wrong overflow) detection for it. For example, the page offset may well be 32-bit on a 32-bit architecture, but after shifting it up by PAGE_SHIFT, we need to use a potentially 64-bit resource_size_t to correctly hold the full value. Also, we need to check that the vma length plus offset doesn't overflow before we check that it is smaller than the length of the mtdmap region. This fixes things up and tries to make the code a bit easier to read. Reported-and-tested-by: Sasha Levin <levinsasha928@gmail.com> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Acked-by: Artem Bityutskiy <dedekind1@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-09-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Conflicts: drivers/net/team/team.c drivers/net/usb/qmi_wwan.c net/batman-adv/bat_iv_ogm.c net/ipv4/fib_frontend.c net/ipv4/route.c net/l2tp/l2tp_netlink.c The team, fib_frontend, route, and l2tp_netlink conflicts were simply overlapping changes. qmi_wwan and bat_iv_ogm were of the "use HEAD" variety. With help from Antonio Quartulli. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-28ath9k: Fix BTCOEX weight initializationSujith Manoharan
The WLAN/BT weights have to set correctly before BTCOEX is initialized. Currently, this is not done for all chips in the AR9003 family. This patch fixes this issue by setting the weights in the init path. While at it, rename ar9462_wlan_weights to mci_wlan_weights since it is common to both AR9462 and AR9565. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28mwifiex: convert to use le16_add_cpu()Wei Yongjun
Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu(). dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28mwifiex: enhance RX reordering to avoid packet drop during host sleepAvinash Patil
Once hostsleep is activated, this patch takes care of not dropping packets in RX reorder table. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28ath9k_hw: Handle AR_INTR_SYNC_HOST1_(FATAL|PERR) on AR9003Sven Eckelmann
Interrupts with the sync_cause AR_INTR_SYNC_HOST1_FATAL and AR_INTR_SYNC_HOST1_PERR have to be handled using a chip reset. Otherwise a interrupt storm with unhandled interrupts will cause a hang or crash of the machine. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28brcmfmac: remove brcmf_update_prof() functionArend van Spriel
The function brcmf_update_prof() only add complexity that is not needed. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28brcmfmac: remove brcmf_read_prof() functionArend van Spriel
The function brcmf_read_prof() provided access to fields with brcmf_cfg80211_profile structure using a field id, but the calling function can easily access that structure directly. This patch removes the function. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28brcmfmac: rename structure brcmf_cfg80211_privArend van Spriel
Renamed structure to brcmf_cfg80211_info as it is not really a private structure since it is exposed in header file. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28brcmfmac: add hostap supoort.Hante Meuleman
This patch adds support for host AP mode. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28brcmfmac: remove two obsolete structure definitionsArend van Spriel
The structures brcmf_cfg80211_dev and brcmf_cfg80211_iface are only adding complexity and provide no additional value. These have been removed in this patch. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28brcmfmac: use brcmf_cfg80211_priv to interface with wl_cfg80211 codeArend van Spriel
The low-level driver part interfaces with wl_cfg80211 part using brcmf_cfg80211_dev structure as handle. As brcmf_cfg80211_priv is defined in interface it is more efficient to use that as handle in function calls. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28brcmfmac: get rid of extern keyword in wl_cfg80211.hArend van Spriel
The function declarations in wl_cfg80211.h used the extern keyword but it is redundant as that is implicit so they were removed. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28brcmfmac: notify common driver about usb tx completion.Hante Meuleman
brcmf_usb_tx_complete now calls brcmf_txcomplete to correct eapol counter. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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