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* Merge branch 'for-linus' of ↵Linus Torvalds2012-01-081-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (53 commits) Kconfig: acpi: Fix typo in comment. misc latin1 to utf8 conversions devres: Fix a typo in devm_kfree comment btrfs: free-space-cache.c: remove extra semicolon. fat: Spelling s/obsolate/obsolete/g SCSI, pmcraid: Fix spelling error in a pmcraid_err() call tools/power turbostat: update fields in manpage mac80211: drop spelling fix types.h: fix comment spelling for 'architectures' typo fixes: aera -> area, exntension -> extension devices.txt: Fix typo of 'VMware'. sis900: Fix enum typo 'sis900_rx_bufer_status' decompress_bunzip2: remove invalid vi modeline treewide: Fix comment and string typo 'bufer' hyper-v: Update MAINTAINERS treewide: Fix typos in various parts of the kernel, and fix some comments. clockevents: drop unknown Kconfig symbol GENERIC_CLOCKEVENTS_MIGR gpio: Kconfig: drop unknown symbol 'CS5535_GPIO' leds: Kconfig: Fix typo 'D2NET_V2' sound: Kconfig: drop unknown symbol ARCH_CLPS7500 ... Fix up trivial conflicts in arch/powerpc/platforms/40x/Kconfig (some new kconfig additions, close to removed commented-out old ones)
| * treewide: Fix typos in various parts of the kernel, and fix some comments.Justin P. Mattock2011-12-021-1/+1
| | | | | | | | | | | | | | | | | | The below patch fixes some typos in various parts of the kernel, as well as fixes some comments. Please let me know if I missed anything, and I will try to get it changed and resent. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | vfs: prefer ->dentry->d_sb to ->mnt->mnt_sbAl Viro2012-01-071-1/+1
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | fs: propagate umode_t, misc bitsAl Viro2012-01-044-6/+6
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | vfs: mnt_drop_write_file()Al Viro2012-01-041-3/+3
| | | | | | | | | | | | | | new helper (wrapper around mnt_drop_write()) to be used in pair with mnt_want_write_file(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | new helpers: fh_{want,drop}_write()Al Viro2012-01-043-19/+29
| | | | | | | | | | | | | | A bunch of places in nfsd does mnt_{want,drop}_write on vfsmount of export of given fhandle. Switched to obvious inlined helpers... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | switch a bunch of places to mnt_want_write_file()Al Viro2012-01-041-3/+3
|/ | | | | | it's both faster (in case when file has been opened for write) and cleaner. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Merge branch 'modsplit-Oct31_2011' of ↵Linus Torvalds2011-11-073-0/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux * 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits) Revert "tracing: Include module.h in define_trace.h" irq: don't put module.h into irq.h for tracking irqgen modules. bluetooth: macroize two small inlines to avoid module.h ip_vs.h: fix implicit use of module_get/module_put from module.h nf_conntrack.h: fix up fallout from implicit moduleparam.h presence include: replace linux/module.h with "struct module" wherever possible include: convert various register fcns to macros to avoid include chaining crypto.h: remove unused crypto_tfm_alg_modname() inline uwb.h: fix implicit use of asm/page.h for PAGE_SIZE pm_runtime.h: explicitly requires notifier.h linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h miscdevice.h: fix up implicit use of lists and types stop_machine.h: fix implicit use of smp.h for smp_processor_id of: fix implicit use of errno.h in include/linux/of.h of_platform.h: delete needless include <linux/module.h> acpi: remove module.h include from platform/aclinux.h miscdevice.h: delete unnecessary inclusion of module.h device_cgroup.h: delete needless include <linux/module.h> net: sch_generic remove redundant use of <linux/module.h> net: inet_timewait_sock doesnt need <linux/module.h> ... Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in - drivers/media/dvb/frontends/dibx000_common.c - drivers/media/video/{mt9m111.c,ov6650.c} - drivers/mfd/ab3550-core.c - include/linux/dmaengine.h
| * fs: add module.h to files that were implicitly using itPaul Gortmaker2011-11-012-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some files were using the complete module.h infrastructure without actually including the header at all. Fix them up in advance so once the implicit presence is removed, we won't get failures like this: CC [M] fs/nfsd/nfssvc.o fs/nfsd/nfssvc.c: In function 'nfsd_create_serv': fs/nfsd/nfssvc.c:335: error: 'THIS_MODULE' undeclared (first use in this function) fs/nfsd/nfssvc.c:335: error: (Each undeclared identifier is reported only once fs/nfsd/nfssvc.c:335: error: for each function it appears in.) fs/nfsd/nfssvc.c: In function 'nfsd': fs/nfsd/nfssvc.c:555: error: implicit declaration of function 'module_put_and_exit' make[3]: *** [fs/nfsd/nfssvc.o] Error 1 Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
| * fs: add export.h to files using EXPORT_SYMBOL/THIS_MODULE macrosPaul Gortmaker2011-11-011-0/+1
| | | | | | | | | | | | | | | | | | | | These files were getting <linux/module.h> via an implicit include path, but we want to crush those out of existence since they cost time during compiles of processing thousands of lines of headers for no reason. Give them the lightweight header that just contains the EXPORT_SYMBOL infrastructure. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* | Merge branch 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds2011-11-041-0/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (25 commits) nfs: set vs_hidden on nfs4_callback_version4 (try #2) pnfs-obj: Support for RAID5 read-4-write interface. pnfs-obj: move to ore 03: Remove old raid engine pnfs-obj: move to ore 02: move to ORE pnfs-obj: move to ore 01: ore_layout & ore_components pnfs-obj: Rename objlayout_io_state => objlayout_io_res pnfs-obj: Get rid of objlayout_{alloc,free}_io_state pnfs-obj: Return PNFS_NOT_ATTEMPTED in case of read/write_pagelist pnfs-obj: Remove redundant EOF from objlayout_io_state nfs: Remove unused variable from write.c nfs: Fix unused variable warning from file.c NFS: Remove no-op less-than-zero checks on unsigned variables. NFS: Clean up nfs4_xdr_dec_secinfo() NFS: Fix documenting comment for nfs_create_request() NFS4: fix cb_recallany decode error nfs4: serialize layoutcommit SUNRPC: remove rpcbind clients destruction on module cleanup SUNRPC: remove rpcbind clients creation during service registering NFSd: call svc rpcbind cleanup explicitly SUNRPC: cleanup service destruction ...
| * | Merge branch 'osd-devel' into nfs-for-nextTrond Myklebust2011-11-0313-1327/+1645
| |\|
| * | NFSd: call svc rpcbind cleanup explicitlyStanislav Kinsbursky2011-10-251-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | We have to call svc_rpcb_cleanup() explicitly from nfsd_last_thread() since this function is registered as service shutdown callback and thus nobody else will done it for us. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | | nfsd4: typo logical vs bitwise negate in nfsd4_decode_share_accessBenny Halevy2011-11-011-1/+1
| |/ |/| | | | | | | Signed-off-by: Benny Halevy <bhalevy@tonian.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfs41: implement DESTROY_CLIENTID operationMi Jinlong2011-10-244-2/+61
| | | | | | | | | | | | | | According to rfc5661 18.50, implement DESTROY_CLIENTID operation. Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: typo logical vs bitwise negate for want_maskBenny Halevy2011-10-241-1/+1
| | | | | | | | | | Signed-off-by: Benny Halevy <bhalevy@tonian.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: allow NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL | ↵Benny Halevy2011-10-241-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED RFC5661 says: The client may set one or both of OPEN4_SHARE_ACCESS_WANT_SIGNAL_DELEG_WHEN_RESRC_AVAIL and OPEN4_SHARE_ACCESS_WANT_PUSH_DELEG_WHEN_UNCONTENDED. Signed-off-by: Benny Halevy <bhalevy@tonian.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: seq->status_flags may be used unitializedBenny Halevy2011-10-241-2/+4
| | | | | | | | | | | | Reported-by: Gopala Suryanarayana <gsuryanarayana@vmware.com> Signed-off-by: Benny Halevy <bhalevy@tonian.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd41: use SEQ4_STATUS_BACKCHANNEL_FAULT when cb_sequence is invalidBenny Halevy2011-10-243-1/+18
| | | | | | | | | | Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: implement new 4.1 open reclaim typesJ. Bruce Fields2011-10-193-14/+24
| | | | | | | | Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: remove unneeded CLAIM_DELEGATE_CUR workaroundJ. Bruce Fields2011-10-191-6/+0
| | | | | | | | | | | | | | | | | | | | 0c12eaffdf09466f36a9ffe970dda8f4aeb6efc0 "nfsd: don't break lease on CLAIM_DELEGATE_CUR" was a temporary workaround for a problem fixed properly in the vfs layer by 778fc546f749c588aa2f6cd50215d2715c374252 "locks: fix tracking of inprogress lease breaks", so we can revert that change (but keeping some minor cleanup from that commit). Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: warn on open failure after createJ. Bruce Fields2011-10-174-6/+8
| | | | | | | | | | | | | | | | | | | | If we create the object and then return failure to the client, we're left with an unexpected file in the filesystem. I'm trying to eliminate such cases but not 100% sure I have so an assertion might be helpful for now. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: preallocate open stateid in process_open1()J. Bruce Fields2011-10-172-29/+21
| | | | | | | | | | | | | | As with the nfs4_file, we'd prefer to find out about any failure before creating a new file rather than after. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: do idr preallocation with stateid allocationJ. Bruce Fields2011-10-172-41/+39
| | | | | | | | | | | | | | | | | | | | | | Move idr preallocation out of stateid initialization, into stateid allocation, so that we no longer have to handle any errors from the former. This is a little subtle due to the way the idr code manages these preallocated items--document that in comments. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: preallocate nfs4_file in process_open1()J. Bruce Fields2011-10-172-24/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Creating a new file is an irrevocable step--once it's visible in the filesystem, other processes may have seen it and done something with it, and unlinking it wouldn't simply undo the effects of the create. Therefore, in the case where OPEN creates a new file, we shouldn't do the create until we know that the rest of the OPEN processing will succeed. For example, we should preallocate a struct file in case we need it until waiting to allocate it till process_open2(), which is already too late. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: clean up open owners on OPEN failureJ. Bruce Fields2011-10-174-2/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If process_open1() creates a new open owner, but the open later fails, the current code will leave the open owner around. It won't be on the close_lru list, and the client isn't expected to send a CLOSE, so it will hang around as long as the client does. Similarly, if process_open1() removes an existing open owner from the close lru, anticipating that an open owner that previously had no associated stateid's now will, but the open subsequently fails, then we'll again be left with the same leak. Fix both problems. Reported-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: simplify process_open1 logicJ. Bruce Fields2011-10-171-14/+8
| | | | | | | | | | | | No change in behavior. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: make is_open_owner booleanJ. Bruce Fields2011-10-171-1/+1
| | | | | | | | Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: centralize renew_client() callsJ. Bruce Fields2011-10-171-13/+10
| | | | | | | | | | | | | | | | | | | | There doesn't seem to be any harm to renewing the client a bit earlier, when it is looked up. That saves us from having to sprinkle renew_client calls over quite so many places. Also remove a redundant comment and do a little cleanup. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: typo logical vs bitwise negateDan Carpenter2011-10-171-1/+1
| | | | | | | | | | | | | | | | This should be a bitwise negate here. It silences a Sparse warning: fs/nfsd/nfs4xdr.c:693:16: warning: dubious: x & !y Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: more robust ignoring of WANT bits in OPENJ. Bruce Fields2011-10-112-3/+5
| | | | | | | | | | | | Mask out the WANT bits right at the start instead of on each use. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: move name-length checks to xdrJ. Bruce Fields2011-10-113-39/+33
| | | | | | | | | | | | Again, these checks are better in the xdr code. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: move access/deny validity checks to xdr codeJ. Bruce Fields2011-10-112-39/+73
| | | | | | | | | | | | | | | | I'd rather put more of these sorts of checks into standardized xdr decoders for the various types rather than have them cluttering up the core logic in nfs4proc.c and nfs4state.c. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: ignore WANT bits in open downgradeJ. Bruce Fields2011-10-111-0/+2
| | | | | | | | | | | | | | | | We don't use WANT bits yet--and sending them can probably trigger a BUG() further down. Cc: stable@kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: cleanup state.h commentsJ. Bruce Fields2011-10-111-37/+8
| | | | | | | | | | | | These comments are mostly out of date. Reported-by: Bryan Schumaker <bjschuma@netapp.com>
* | nfsd4: clean up downgrading codeJ. Bruce Fields2011-10-112-12/+27
| | | | | | | | | | | | | | | | In response to some review comments, get rid of the somewhat obscure for-loop with bitops, and improve a comment. Reported-by: Steve Dickson <steved@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: fix state lock usage in LOCKUJ. Bruce Fields2011-10-111-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In commit 5ec094c1096ab3bb795651855d53f18daa26afde "nfsd4: extend state lock over seqid replay logic" I modified the exit logic of all the seqid-based procedures except nfsd4_locku(). Fix the oversight. The result of the bug was a double-unlock while handling the LOCKU procedure, and a warning like: [ 142.150014] WARNING: at kernel/mutex-debug.c:78 debug_mutex_unlock+0xda/0xe0() ... [ 142.152927] Pid: 742, comm: nfsd Not tainted 3.1.0-rc1-SLIM+ #9 [ 142.152927] Call Trace: [ 142.152927] [<ffffffff8105fa4f>] warn_slowpath_common+0x7f/0xc0 [ 142.152927] [<ffffffff8105faaa>] warn_slowpath_null+0x1a/0x20 [ 142.152927] [<ffffffff810960ca>] debug_mutex_unlock+0xda/0xe0 [ 142.152927] [<ffffffff813e4200>] __mutex_unlock_slowpath+0x80/0x140 [ 142.152927] [<ffffffff813e42ce>] mutex_unlock+0xe/0x10 [ 142.152927] [<ffffffffa03bd3f5>] nfs4_lock_state+0x35/0x40 [nfsd] [ 142.152927] [<ffffffffa03b0b71>] nfsd4_proc_compound+0x2a1/0x690 [nfsd] [ 142.152927] [<ffffffffa039f9fb>] nfsd_dispatch+0xeb/0x230 [nfsd] [ 142.152927] [<ffffffffa02b1055>] svc_process_common+0x345/0x690 [sunrpc] [ 142.152927] [<ffffffff81058d10>] ? try_to_wake_up+0x280/0x280 [ 142.152927] [<ffffffffa02b16e2>] svc_process+0x102/0x150 [sunrpc] [ 142.152927] [<ffffffffa039f0bd>] nfsd+0xbd/0x160 [nfsd] [ 142.152927] [<ffffffffa039f000>] ? 0xffffffffa039efff [ 142.152927] [<ffffffff8108230c>] kthread+0x8c/0xa0 [ 142.152927] [<ffffffff813e8694>] kernel_thread_helper+0x4/0x10 [ 142.152927] [<ffffffff81082280>] ? kthread_worker_fn+0x190/0x190 [ 142.152927] [<ffffffff813e8690>] ? gs_change+0x13/0x13 Reported-by: Bryan Schumaker <bjschuma@netapp.com> Tested-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: look up stateid's per clientidJ. Bruce Fields2011-09-263-65/+54
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use a separate stateid idr per client, and lookup a stateid by first finding the client, then looking up the stateid relative to that client. Also some minor refactoring. This allows us to improve error returns: we can return expired when the clientid is not found and bad_stateid when the clientid is found but not the stateid, as opposed to returning expired for both cases. I hope this will also help to replace the state lock mostly by a per-client lock, but that hasn't been done yet. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: assume test_stateid always has sessionJ. Bruce Fields2011-09-264-6/+5
| | | | | | | | | | | | | | | | Test_stateid is 4.1-only and only allowed after a sequence operation, so this check is unnecessary. Cc: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: use idr for stateid'sJ. Bruce Fields2011-09-262-52/+73
| | | | | | | | | | | | | | The idr system is designed exactly for generating id and looking up integer id's. Thanks to Trond for pointing it out. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: move client * to nfs4_stateid, add init_stid helperJ. Bruce Fields2011-09-263-27/+31
| | | | | | | | | | | | This will be convenient. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: make op_cacheresult another flagJ. Bruce Fields2011-09-201-25/+25
| | | | | | | | | | | | | | | | | | I'm not sure why I used a new field for this originally. Also, the differences between some of these flags are a little subtle; add some comments to explain. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: fix open downgrade, againJ. Bruce Fields2011-09-201-3/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Yet another open-management regression: - nfs4_file_downgrade() doesn't remove the BOTH access bit on downgrade, so the server's idea of the stateid's access gets out of sync with the client's. If we want to keep an O_RDWR open in this case, we should do that in the file_put_access logic rather than here. - We forgot to convert v4 access to an open mode here. This logic has proven too hard to get right. In the future we may consider: - reexamining the lock/openowner relationship (locks probably don't really need to take their own references here). - adding open upgrade/downgrade support to the vfs. - removing the atomic operations. They're redundant as long as this is all under some other lock. Also, maybe some kind of additional static checking would help catch O_/NFS4_SHARE_ACCESS confusion. Cc: stable@kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: hash closed stateid's like any otherJ. Bruce Fields2011-09-192-49/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Look up closed stateid's in the stateid hash like any other stateid rather than searching the close lru. This is simpler, and fixes a bug: currently we handle only the case of a close that is the last close for a given stateowner, but not the case of a close for a stateowner that still has active opens on other files. Thus in a case like: open(owner, file1) open(owner, file2) close(owner, file2) close(owner, file2) the final close won't be recognized as a retransmission. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: construct stateid from clientid and counterJ. Bruce Fields2011-09-192-58/+18
| | | | | | | | | | | | | | | | | | Including the full clientid in the on-the-wire stateid allows more reliable detection of bad vs. expired stateid's, simplifies code, and ensures we won't reuse the opaque part of the stateid (as we currently do when the same openowner closes and reopens the same file). Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: simplify free_stateidJ. Bruce Fields2011-09-171-51/+15
| | | | | | | | | | | | We no longer need is_deleg_stateid, for example. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: match close replays on stateid, not open owner idJ. Bruce Fields2011-09-173-7/+44
| | | | | | | | | | | | | | | | | | Keep around an unhashed copy of the final stateid after the last close using an openowner, and when identifying a replay, match against that stateid instead of just against the open owner id. Free it the next time the seqid is bumped or the stateowner is destroyed. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd4: replace oo_confirmed by flag bitJ. Bruce Fields2011-09-163-15/+16
| | | | | | | | | | | | | | I want at least one more bit here. So, let's haul out the caps lock key and add a flags field. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | nfsd41: try to check reply size before operationMi Jinlong2011-09-163-37/+248
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For checking the size of reply before calling a operation, we need try to get maxsize of the operation's reply. v3: using new method as Bruce said, "we could handle operations in two different ways: - For operations that actually change something (write, rename, open, close, ...), do it the way we're doing it now: be very careful to estimate the size of the response before even processing the operation. - For operations that don't change anything (read, getattr, ...) just go ahead and do the operation. If you realize after the fact that the response is too large, then return the error at that point. So we'd add another flag to op_flags: say, OP_MODIFIES_SOMETHING. And for operations with OP_MODIFIES_SOMETHING set, we'd do the first thing. For operations without it set, we'd do the second." Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com> [bfields@redhat.com: crash, don't attempt to handle, undefined op_rsize_bop] Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* | SUNRPC: Replace svc_addr_u by sockaddr_storageMi Jinlong2011-09-141-15/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For IPv6 local address, lockd can not callback to client for missing scope id when binding address at inet6_bind: 324 if (addr_type & IPV6_ADDR_LINKLOCAL) { 325 if (addr_len >= sizeof(struct sockaddr_in6) && 326 addr->sin6_scope_id) { 327 /* Override any existing binding, if another one 328 * is supplied by user. 329 */ 330 sk->sk_bound_dev_if = addr->sin6_scope_id; 331 } 332 333 /* Binding to link-local address requires an interface */ 334 if (!sk->sk_bound_dev_if) { 335 err = -EINVAL; 336 goto out_unlock; 337 } Replacing svc_addr_u by sockaddr_storage, let rqstp->rq_daddr contains more info besides address. Reviewed-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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