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2014-02-06ocfs2: free allocated clusters if error occurs after ocfs2_claim_clustersZongxun Wang
Even if using the same jbd2 handle, we cannot rollback a transaction. So once some error occurs after successfully allocating clusters, the allocated clusters will never be used and it means they are lost. For example, call ocfs2_claim_clusters successfully when expanding a file, but failed in ocfs2_insert_extent. So we need free the allocated clusters if they are not used indeed. Signed-off-by: Zongxun Wang <wangzongxun@huawei.com> Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Acked-by: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Li Zefan <lizefan@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-30Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull core block IO changes from Jens Axboe: "The major piece in here is the immutable bio_ve series from Kent, the rest is fairly minor. It was supposed to go in last round, but various issues pushed it to this release instead. The pull request contains: - Various smaller blk-mq fixes from different folks. Nothing major here, just minor fixes and cleanups. - Fix for a memory leak in the error path in the block ioctl code from Christian Engelmayer. - Header export fix from CaiZhiyong. - Finally the immutable biovec changes from Kent Overstreet. This enables some nice future work on making arbitrarily sized bios possible, and splitting more efficient. Related fixes to immutable bio_vecs: - dm-cache immutable fixup from Mike Snitzer. - btrfs immutable fixup from Muthu Kumar. - bio-integrity fix from Nic Bellinger, which is also going to stable" * 'for-3.14/core' of git://git.kernel.dk/linux-block: (44 commits) xtensa: fixup simdisk driver to work with immutable bio_vecs block/blk-mq-cpu.c: use hotcpu_notifier() blk-mq: for_each_* macro correctness block: Fix memory leak in rw_copy_check_uvector() handling bio-integrity: Fix bio_integrity_verify segment start bug block: remove unrelated header files and export symbol blk-mq: uses page->list incorrectly blk-mq: use __smp_call_function_single directly btrfs: fix missing increment of bi_remaining Revert "block: Warn and free bio if bi_end_io is not set" block: Warn and free bio if bi_end_io is not set blk-mq: fix initializing request's start time block: blk-mq: don't export blk_mq_free_queue() block: blk-mq: make blk_sync_queue support mq block: blk-mq: support draining mq queue dm cache: increment bi_remaining when bi_end_io is restored block: fixup for generic bio chaining block: Really silence spurious compiler warnings block: Silence spurious compiler warnings block: Kill bio_pair_split() ...
2014-01-28Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs updates from Al Viro: "Assorted stuff; the biggest pile here is Christoph's ACL series. Plus assorted cleanups and fixes all over the place... There will be another pile later this week" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (43 commits) __dentry_path() fixes vfs: Remove second variable named error in __dentry_path vfs: Is mounted should be testing mnt_ns for NULL or error. Fix race when checking i_size on direct i/o read hfsplus: remove can_set_xattr nfsd: use get_acl and ->set_acl fs: remove generic_acl nfs: use generic posix ACL infrastructure for v3 Posix ACLs gfs2: use generic posix ACL infrastructure jfs: use generic posix ACL infrastructure xfs: use generic posix ACL infrastructure reiserfs: use generic posix ACL infrastructure ocfs2: use generic posix ACL infrastructure jffs2: use generic posix ACL infrastructure hfsplus: use generic posix ACL infrastructure f2fs: use generic posix ACL infrastructure ext2/3/4: use generic posix ACL infrastructure btrfs: use generic posix ACL infrastructure fs: make posix_acl_create more useful fs: make posix_acl_chmod more useful ...
2014-01-27ocfs2: do not log ENOENT in unlink()Xiaowei.Hu
Suppress log message like this: (open_delete,8328,0):ocfs2_unlink:951 ERROR: status = -2 Orabug:17445485 Signed-off-by: Xiaowei Hu <xiaowei.hu@oracle.com> Cc: Joe Jin <joe.jin@oracle.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-25ocfs2: use generic posix ACL infrastructureChristoph Hellwig
This contains some major refactoring for the create path so that inodes are created with the right mode to start with instead of fixing it up later. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-25fs: make posix_acl_create more usefulChristoph Hellwig
Rename the current posix_acl_created to __posix_acl_create and add a fully featured helper to set up the ACLs on file creation that uses get_acl(). Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-25fs: make posix_acl_chmod more usefulChristoph Hellwig
Rename the current posix_acl_chmod to __posix_acl_chmod and add a fully featured ACL chmod helper that uses the ->set_acl inode operation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-21ocfs2: fix NULL pointer dereference when dismount and ocfs2rec simultaneouslyYiwen Jiang
2 nodes cluster, say Node A and Node B, mount the same ocfs2 volume, and create a file 1. Node A Node B open 1, get open lock rm 1, and then add 1 to orphan_dir storage link down, o2hb_write_timeout ->o2quo_disk_timeout ->emergency_restart at the moment, Node B dismount and do ocfs2rec simultaneously 1) ocfs2_dismount_volume ->ocfs2_recovery_exit ->wait_event(osb->recovery_event) ->flush_workqueue(ocfs2_wq) 2) ocfs2rec ->queue_work(&journal->j_recovery_work) ->ocfs2_recover_orphans ->ocfs2_commit_truncate ->queue_delayed_work(&osb->osb_truncate_log_wq) In ocfs2_recovery_exit, it flushes workqueue and then releases system inodes. When doing ocfs2rec, it will call ocfs2_flush_truncate_log which will try to get sys_root_inode, and NULL pointer dereference occurs. Signed-off-by: Yiwen Jiang <jiangyiwen@huawei.com> Signed-off-by: joyce <xuejiufei@huawei.com> Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: punch hole should return EINVAL if the length argument in ioctl is ↵Tariq Saeed
negative An unreserve space ioctl OCFS2_IOC_UNRESVSP/64 should reject a negative length. Orabug:14789508 Signed-off-by: Tariq Saseed <tariq.x.saeed@oracle.com> Signed-off-by: Srinivas Eeda <srinivas.eeda@oracle.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: fix sparse non static symbol warningWei Yongjun
Fixes the following sparse warning: fs/ocfs2/stack_user.c:930:32: warning: symbol 'ocfs2_ls_ops' was not declared. Should it be static? Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: adjust minlen with discard_granularity in the FITRIM ioctlJie Liu
Adjust minlen with discard_granularity for FITRIM ioctl(2) if the given minimum size in bytes is less than it because, discard granularity is used to tell us that the minimum size of extent that can be discarded by the storage device. This is inspired by ext4 commit 5c2ed62fd447 ("ext4: Adjust minlen with discard_granularity in the FITRIM ioctl") from Lukas Czerner. Signed-off-by: Jie Liu <jeff.liu@oracle.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: return EINVAL if the given range to discard is less than block sizeJie Liu
For FITRIM ioctl(2), we should not keep silence if the given range length ls less than a block size as there is no data blocks would be discareded. Hence it should return EINVAL instead. This issue can be verified via xfstests/generic/288 which is used for FITRIM argument handling tests. Signed-off-by: Jie Liu <jeff.liu@oracle.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: return EOPNOTSUPP if the device does not support discardJie Liu
For FITRIM ioctl(2), we should return EOPNOTSUPP to inform the user that the storage device does not support discard if it is, otherwise return success would confuse the user even though there is no free blocks were trimmed at all. Signed-off-by: Jie Liu <jeff.liu@oracle.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: remove redundant ocfs2_alloc_dinode_update_counts() and ↵Younger Liu
ocfs2_block_group_set_bits() ocfs2_alloc_dinode_update_counts() and ocfs2_block_group_set_bits() are already provided in suballoc.c. So, the same functions in move_extents.c are not needed any more. Declare the functions in suballoc.h and remove redundant functions in move_extents.c. Signed-off-by: Younger Liu <liuyiyang@hisense.com> Cc: Younger Liu <younger.liucn@gmail.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: use the new DLM operation callbacks while requesting new lockspaceGoldwyn Rodrigues
Attempt to use the new DLM operations. If it is not supported, use the traditional ocfs2_controld. To exchange ocfs2 versioning, we use the LVB of the version dlm lock. It first attempts to take the lock in EX mode (non-blocking). If successful (which means it is the first mount), it writes the version number and downconverts to PR lock. If it is unsuccessful, it reads the version from the lock. If this becomes the standard (with o2cb as well), it could simplify userspace tools to check if the filesystem is mounted on other nodes. Dan: Since ocfs2_protocol_version are two u8 values, the additional checks with LONG* don't make sense. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: framework for version LVBGoldwyn Rodrigues
Use the native DLM locks for version control negotiation. Most of the framework is taken from gfs2/lock_dlm.c Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Reviewed-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: pass ocfs2_cluster_connection to ocfs2_this_nodeGoldwyn Rodrigues
This is done to differentiate between using and not using controld and use the connection information accordingly. We need to be backward compatible. So, we use a new enum ocfs2_connection_type to identify when controld is used and when it is not. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Reviewed-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: shift allocation ocfs2_live_connection to user_connect()Goldwyn Rodrigues
We perform this because the DLM recovery callbacks will require the ocfs2_live_connection structure to record the node information when dlm_new_lockspace() is updated (in the last patch of the series). Before calling dlm_new_lockspace(), we need the structure ready for the .recover_done() callback, which would set oc_this_node. This is the reason we allocate ocfs2_live_connection beforehand in user_connect(). [AKPM] rc initialization is not required because it assigned in case of errors. It will be cleared by compiler anyways. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Reveiwed-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: add DLM recovery callbacksGoldwyn Rodrigues
These are the callbacks called by the fs/dlm code in case the membership changes. If there is a failure while/during calling any of these, the DLM creates a new membership and relays to the rest of the nodes. - recover_prep() is called when DLM understands a node is down. - recover_slot() is called once all nodes have acknowledged recover_prep and recovery can begin. - recover_done() is called once the recovery is complete. It returns the new membership. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Reviewed-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: add clustername to cluster connectionGoldwyn Rodrigues
This is an effort of removing ocfs2_controld.pcmk and getting ocfs2 DLM handling up to the times with respect to DLM (>=4.0.1) and corosync (2.3.x). AFAIK, cman also is being phased out for a unified corosync cluster stack. fs/dlm performs all the functions with respect to fencing and node management and provides the API's to do so for ocfs2. For all future references, DLM stands for fs/dlm code. The advantages are: + No need to run an additional userspace daemon (ocfs2_controld) + No controld device handling and controld protocol + Shifting responsibilities of node management to DLM layer For backward compatibility, we are keeping the controld handling code. Once enough time has passed we can remove a significant portion of the code. This was tested by using the kernel with changes on older unmodified tools. The kernel used ocfs2_controld as expected, and displayed the appropriate warning message. This feature requires modification in the userspace ocfs2-tools. The changes can be found at: https://github.com/goldwynr/ocfs2-tools branch: nocontrold Currently, not many checks are present in the userspace code, but that would change soon. This patch (of 6): Add clustername to cluster connection. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Reviewed-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21ocfs2: remove versioning informationGoldwyn Rodrigues
The versioning information is confusing for end-users. The numbers are stuck at 1.5.0 when the tools version have moved to 1.8.2. Remove the versioning system in the OCFS2 modules and let the kernel version be the guide to debug issues. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Acked-by: Sunil Mushran <sunil.mushran@gmail.com> Cc: Mark Fasheh <mfasheh@suse.com> Acked-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-23block: Abstract out bvec iteratorKent Overstreet
Immutable biovecs are going to require an explicit iterator. To implement immutable bvecs, a later patch is going to add a bi_bvec_done member to this struct; for now, this patch effectively just renames things. Signed-off-by: Kent Overstreet <kmo@daterainc.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Ed L. Cashin" <ecashin@coraid.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Lars Ellenberg <drbd-dev@lists.linbit.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Matthew Wilcox <willy@linux.intel.com> Cc: Geoff Levand <geoff@infradead.org> Cc: Yehuda Sadeh <yehuda@inktank.com> Cc: Sage Weil <sage@inktank.com> Cc: Alex Elder <elder@inktank.com> Cc: ceph-devel@vger.kernel.org Cc: Joshua Morris <josh.h.morris@us.ibm.com> Cc: Philip Kelleher <pjk1939@linux.vnet.ibm.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Neil Brown <neilb@suse.de> Cc: Alasdair Kergon <agk@redhat.com> Cc: Mike Snitzer <snitzer@redhat.com> Cc: dm-devel@redhat.com Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux390@de.ibm.com Cc: Boaz Harrosh <bharrosh@panasas.com> Cc: Benny Halevy <bhalevy@tonian.com> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Nicholas A. Bellinger" <nab@linux-iscsi.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Chris Mason <chris.mason@fusionio.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Cc: Jaegeuk Kim <jaegeuk.kim@samsung.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Dave Kleikamp <shaggy@kernel.org> Cc: Joern Engel <joern@logfs.org> Cc: Prasad Joshi <prasadjoshi.linux@gmail.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Ben Myers <bpm@sgi.com> Cc: xfs@oss.sgi.com Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Len Brown <len.brown@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> Cc: Ben Hutchings <ben@decadent.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Guo Chao <yan@linux.vnet.ibm.com> Cc: Tejun Heo <tj@kernel.org> Cc: Asai Thambi S P <asamymuthupa@micron.com> Cc: Selvan Mani <smani@micron.com> Cc: Sam Bradshaw <sbradshaw@micron.com> Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Cc: "Roger Pau Monné" <roger.pau@citrix.com> Cc: Jan Beulich <jbeulich@suse.com> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Cc: Ian Campbell <Ian.Campbell@citrix.com> Cc: Sebastian Ott <sebott@linux.vnet.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Nitin Gupta <ngupta@vflare.org> Cc: Jerome Marchand <jmarchand@redhat.com> Cc: Joe Perches <joe@perches.com> Cc: Peng Tao <tao.peng@emc.com> Cc: Andy Adamson <andros@netapp.com> Cc: fanchaoting <fanchaoting@cn.fujitsu.com> Cc: Jie Liu <jeff.liu@oracle.com> Cc: Sunil Mushran <sunil.mushran@gmail.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Namjae Jeon <namjae.jeon@samsung.com> Cc: Pankaj Kumar <pankaj.km@samsung.com> Cc: Dan Magenheimer <dan.magenheimer@oracle.com> Cc: Mel Gorman <mgorman@suse.de>6
2013-11-15tree-wide: use reinit_completion instead of INIT_COMPLETIONWolfram Sang
Use this new function to make code more comprehensible, since we are reinitialzing the completion, not initializing. [akpm@linux-foundation.org: linux-next resyncs] Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13) Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13Merge branch 'akpm' (patches from Andrew Morton)Linus Torvalds
Merge first patch-bomb from Andrew Morton: "Quite a lot of other stuff is banked up awaiting further next->mainline merging, but this batch contains: - Lots of random misc patches - OCFS2 - Most of MM - backlight updates - lib/ updates - printk updates - checkpatch updates - epoll tweaking - rtc updates - hfs - hfsplus - documentation - procfs - update gcov to gcc-4.7 format - IPC" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (269 commits) ipc, msg: fix message length check for negative values ipc/util.c: remove unnecessary work pending test devpts: plug the memory leak in kill_sb ./Makefile: export initial ramdisk compression config option init/Kconfig: add option to disable kernel compression drivers: w1: make w1_slave::flags long to avoid memory corruption drivers/w1/masters/ds1wm.cuse dev_get_platdata() drivers/memstick/core/ms_block.c: fix unreachable state in h_msb_read_page() drivers/memstick/core/mspro_block.c: fix attributes array allocation drivers/pps/clients/pps-gpio.c: remove redundant of_match_ptr kernel/panic.c: reduce 1 byte usage for print tainted buffer gcov: reuse kbasename helper kernel/gcov/fs.c: use pr_warn() kernel/module.c: use pr_foo() gcov: compile specific gcov implementation based on gcc version gcov: add support for gcc 4.7 gcov format gcov: move gcov structs definitions to a gcc version specific file kernel/taskstats.c: return -ENOMEM when alloc memory fails in add_del_listener() kernel/taskstats.c: add nla_nest_cancel() for failure processing between nla_nest_start() and nla_nest_end() kernel/sysctl_binary.c: use scnprintf() instead of snprintf() ...
2013-11-13ocfs2: simplify ocfs2_invalidatepage() and ocfs2_releasepage()Jan Kara
Ocfs2 doesn't do data journalling. Thus its ->invalidatepage and ->releasepage functions never get called on buffers that have journal heads attached. So just use standard variants of functions from buffer.c. Signed-off-by: Jan Kara <jack@suse.cz> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: convert use of typedef ctl_table to struct ctl_tableJoe Perches
This typedef is unnecessary and should just be removed. Signed-off-by: Joe Perches <joe@perches.com> Cc: Mark Fasheh <mfasheh@suse.com> Acked-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: fix possible double free in ocfs2_write_begin_nolockXue jiufei
When ocfs2_write_cluster_by_desc() failed in ocfs2_write_begin_nolock() because of ENOSPC, it goes to out_quota, freeing data_ac(meta_ac). Then it calls ocfs2_try_to_free_truncate_log() to free space. If enough space freed, it will try to write again. Unfortunately, some error happenes before ocfs2_lock_allocators(), it goes to out and free data_ac(meta_ac) again. Signed-off-by: joyce <xuejiufei@huawei.com> Reviewed-by: Jie Liu <jeff.liu@oracle.com> Acked-by: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: add missing errno in ocfs2_ioctl_move_extents()Younger Liu
If the file is not regular or writeable, it should return errno(EPERM). This patch is based on 85a258b70d ("ocfs2: fix error handling in ocfs2_ioctl_move_extents()"). Signed-off-by: Younger Liu <younger.liu@huawei.com> Signed-off-by: Jie Liu <jeff.liu@oracle.com> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Jie Liu <jeff.liu@oracle.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: do not call brelse() if group_bh is not initialized in ocfs2_group_add()Younger Liu
If group_bh is not initialized, there is no need to release. This problem does not cause anything wrong, but the patch would make the code more logical. Signed-off-by: Younger Liu <younger.liu@huawei.com> Cc: Mark Fasheh <mfasheh@suse.com> Acked-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: rollback transaction in ocfs2_group_add()Younger Liu
If ocfs2_journal_access_di() fails, group->bg_next_group should rollback. Otherwise, there would be a inconsistency between group_bh and main_bm_bh. Signed-off-by: Younger Liu <younger.liu@huawei.com> Cc: Mark Fasheh <mfasheh@suse.com> Acked-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: break useless while loopJunxiao Bi
Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com> Signed-off-by: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: use find_last_bit()Akinobu Mita
We already have find_last_bit(). So just use it as described in the comment. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: delay migration when the lockres is in migration stateXue jiufei
We trigger a bug in __dlm_lockres_reserve_ast() when we parallel umount 4 nodes. The situation is as follows: 1) Node A migrate all lockres it owned(eg. lockres A) to other nodes say node B when it umounts. 2) Receiving MIG_LOCKRES message from A, Node B masters the lockres A with DLM_LOCK_RES_MIGRATING state set. 3) Then we umount ocfs2 on node B. It also should migrate lockres A to another node, say node C. But now, DLM_LOCK_RES_MIGRATING state of lockers A is not cleared. Node B triggered the BUG on lockres with state DLM_LOCK_RES_MIGRATING. Signed-off-by: Xuejiufei <xuejiufei@huawei.com> Signed-off-by: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Tariq Saeed <tariq.x.saeed@oracle.com> Cc: Srinivas Eeda <srinivas.eeda@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: skip locks in the blocked listXue jiufei
A parallel umount on 4 nodes triggered a bug in dlm_process_recovery_date(). Here's the situation: Receiving MIG_LOCKRES message, A node processes the locks in migratable lockres. It copys lvb from migratable lockres when processing the first valid lock. If there is a lock in the blocked list with the EX level, it triggers the BUG. Since valid lvbs are set when locks are granted with EX or PR levels, locks in the blocked list cannot have valid lvbs. Therefore I think we should skip the locks in the blocked list. Signed-off-by: Xuejiufei <xuejiufei@huawei.com> Signed-off-by: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: use bitmap_weight()Akinobu Mita
Use bitmap_weight() instead of reinventing the wheel. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: don't spam on -EDQUOTJoel Becker
-EDQUOT is a user-visible error, not a logic problem. Teach mlog_errno() to ignore it like it ignores -ENOSPC, etc. Signed-off-by: Joel Becker <jlbec@evilplan.org> Reviewed-by: Jan Kara <jack@suse.cz> Reported-by: Marek Królikowski <admin@wset.edu.pl> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: add necessary check in case sb_getblk() failsRui Xiang
sb_getblk() may return an err, so add a check for bh. [joseph.qi@huawei.com: also add a check after calling sb_getblk() in ocfs2_create_xattr_block()] Signed-off-by: Rui Xiang <rui.xiang@huawei.com> Reviewed-by: Jie Liu <jeff.liu@oracle.com> Reviewed-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: Joseph Qi <joseph.qi@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13ocfs2: return ENOMEM when sb_getblk() failsRui Xiang
The only reason for sb_getblk() failing is if it can't allocate the buffer_head. So return ENOMEM instead when it fails. [joseph.qi@huawei.com: ocfs2_symlink_get_block() and ocfs2_read_blocks_sync() and ocfs2_read_blocks() need the same change] Signed-off-by: Rui Xiang <rui.xiang@huawei.com> Reviewed-by: Jie Liu <jeff.liu@oracle.com> Reviewed-by: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: Joseph Qi <joseph.qi@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13fs/ocfs2/file.c: fix wrong commentJunxiao Bi
Unwritten extent only exists for file systems which support holes. But the comment said was opposite meaning and also the comment is not very clear, so rephase it. Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13fs/ocfs2: remove unnecessary variable bits_wanted from ocfs2_calc_extend_creditsGoldwyn Rodrigues
Code cleanup to remove unnecessary variable passed but never used to ocfs2_calc_extend_credits. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-09ocfs2: get rid of impossible checksAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-29ocfs2: needs ->d_lock to poke in ->d_parent->d_inode from ->d_revalidate()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-24fs/ocfs2/super.c: use a bigger nodestr in ocfs2_dismount_volumeGoldwyn Rodrigues
While printing 32-bit node numbers, an 8-byte string is not enough. Increase the size of the string to 12 chars. This got left out in commit 49fa8140e487 ("fs/ocfs2/super.c: Use bigger nodestr to accomodate 32-bit node numbers"). Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-13Merge git://git.kvack.org/~bcrl/aio-nextLinus Torvalds
Pull aio changes from Ben LaHaise: "First off, sorry for this pull request being late in the merge window. Al had raised a couple of concerns about 2 items in the series below. I addressed the first issue (the race introduced by Gu's use of mm_populate()), but he has not provided any further details on how he wants to rework the anon_inode.c changes (which were sent out months ago but have yet to be commented on). The bulk of the changes have been sitting in the -next tree for a few months, with all the issues raised being addressed" * git://git.kvack.org/~bcrl/aio-next: (22 commits) aio: rcu_read_lock protection for new rcu_dereference calls aio: fix race in ring buffer page lookup introduced by page migration support aio: fix rcu sparse warnings introduced by ioctx table lookup patch aio: remove unnecessary debugging from aio_free_ring() aio: table lookup: verify ctx pointer staging/lustre: kiocb->ki_left is removed aio: fix error handling and rcu usage in "convert the ioctx list to table lookup v3" aio: be defensive to ensure request batching is non-zero instead of BUG_ON() aio: convert the ioctx list to table lookup v3 aio: double aio_max_nr in calculations aio: Kill ki_dtor aio: Kill ki_users aio: Kill unneeded kiocb members aio: Kill aio_rw_vect_retry() aio: Don't use ctx->tail unnecessarily aio: io_cancel() no longer returns the io_event aio: percpu ioctx refcount aio: percpu reqs_available aio: reqs_active -> reqs_available aio: fix build when migration is disabled ...
2013-09-11ocfs2: fix the end cluster offset of FIEMAPJie Liu
Call fiemap ioctl(2) with given start offset as well as an desired mapping range should show extents if possible. However, we somehow figure out the end offset of mapping via 'mapping_end -= cpos' before iterating the extent records which would cause problems if the given fiemap length is too small to a cluster size, e.g, Cluster size 4096: debugfs.ocfs2 1.6.3 Block Size Bits: 12 Cluster Size Bits: 12 The extended fiemap test utility From David: https://gist.github.com/anonymous/6172331 # dd if=/dev/urandom of=/ocfs2/test_file bs=1M count=1000 # ./fiemap /ocfs2/test_file 4096 10 start: 4096, length: 10 File /ocfs2/test_file has 0 extents: # Logical Physical Length Flags ^^^^^ <-- No extent is shown In this case, at ocfs2_fiemap(): cpos == mapping_end == 1. Hence the loop of searching extent records was not executed at all. This patch remove the in question 'mapping_end -= cpos', and loops until the cpos is larger than the mapping_end as usual. # ./fiemap /ocfs2/test_file 4096 10 start: 4096, length: 10 File /ocfs2/test_file has 1 extents: # Logical Physical Length Flags 0: 0000000000000000 0000000056a01000 0000000006a00000 0000 Signed-off-by: Jie Liu <jeff.liu@oracle.com> Reported-by: David Weber <wb@munzinger.de> Tested-by: David Weber <wb@munzinger.de> Cc: Sunil Mushran <sunil.mushran@gmail.com> Cc: Mark Fashen <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11ocfs2: remove unused variable ip in dlmfs_get_root_inode()Joseph Qi
Variable ip in dlmfs_get_root_inode() is defined but not used. So clean it up. Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Reviewed-by: Jie Liu <jeff.liu@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11ocfs2: fix a tiny race case when firing callbacksJoyce
In o2hb_shutdown_slot() and o2hb_check_slot(), since event is defined as local, it is only valid during the call stack. So the following tiny race case may happen in a multi-volumes mounted environment: o2hb-vol1 o2hb-vol2 1) o2hb_shutdown_slot allocate local event1 2) queue_node_event add event1 to global o2hb_node_events 3) o2hb_shutdown_slot allocate local event2 4) queue_node_event add event2 to global o2hb_node_events 5) o2hb_run_event_list delete event1 from o2hb_node_events 6) o2hb_run_event_list event1 empty, return 7) o2hb_shutdown_slot event1 lifecycle ends 8) o2hb_fire_callbacks event1 is already *invalid* This patch lets it wait on o2hb_callback_sem when another thread is firing callbacks. And for performance consideration, we only call o2hb_run_event_list when there is an event queued. Signed-off-by: Joyce <xuejiufei@huawei.com> Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11ocfs2: avoid possible NULL pointer dereference in o2net_accept_one()Joseph Qi
Since o2nm_get_node_by_num() may return NULL, we add this check in o2net_accept_one() to avoid possible NULL pointer dereference. Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11ocfs2: adjust code style for o2net_handler_tree_lookup()Joseph Qi
Code in o2net_handler_tree_lookup() may be corrupted by mistake. So adjust it to promote readability. Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11ocfs2: free path in ocfs2_remove_inode_range()Younger Liu
In ocfs2_remove_inode_range(), there is a memory leak. The variable path has allocated memory with ocfs2_new_path_from_et(), but it is not free. Signed-off-by: Younger Liu <younger.liu@huawei.com> Reviewed-by: Jie Liu <jeff.liu@oracle.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>