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Master sync round 2 #19
Commits on Jul 19, 2013
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staging/lustre: remove bogus ifndef EXPORT_SYMBOL
Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/obdclass: restore lu_ref
lu_ref.[ch] were mistakenly removed by coan2. Add them back and guard with CONFIG_LUSTRE_DEBUG_LU_REF_CHECK. Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llite: use READ, WRITE around ll_rw_stats_tally()
In vvp_io_write_start() the stats function ll_rw_stats_tally() was incorrectly called with a rw argument of 0. Correct this and use the macros READ and WRITE in and around ll_rw_stats_tally() for clarity. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3384 Lustre-change: http://review.whamcloud.com/6447 Signed-off-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llite: missing last bit in ll_have_md_lock
Missing the last bit during INODELOCK check in ll_have_md_lock. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3385 Lustre-change: http://review.whamcloud.com/6438 Signed-off-by: wang di <di.wang@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre: fix 'program hangs' errors
Fix 'program hangs' defects found by Coverity version 6.5.1: Missing unlock (LOCK) Returning without unlocking. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3054 Lustre-change: http://review.whamcloud.com/5870 Signed-off-by: Sebastien Buisson <sebastien.buisson@bull.net> Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llite: check alloc in ll_file_data_get, ll_dir_ioctl
In ll_file_data_get() and ll_dir_ioctl() return error on failed allocations. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2753 Lustre-change: http://review.whamcloud.com/5845 Signed-off-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com> Reviewed-by: Sebastien Buisson <sebastien.buisson@bull.net> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llite: A not locked mutex can be unlocked.
In case of memory pressure a not locked mutex can be unlocked in function ll_file_open(). This is not allowed and subsequent behavior is not defined. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3157 Lustre-change: http://review.whamcloud.com/6028 Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com> Reviewed-by: John Hammond <johnlockwoodhammond@gmail.com> Reviewed-by: Nikitas Angelinas <nikitas_angelinas@xyratex.com> Reviewed-by: Sebastien Buisson <sebastien.buisson@bull.net> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llite: check ll_prep_md_op_data() using IS_ERR()
In ll_file_ioctl() and ll_swap_layouts() check the result of ll_prep_md_op_data() using IS_ERR(). Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3283 Lustre-change: http://review.whamcloud.com/6275 Signed-off-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by: Fan Yong <fan.yong@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/ldlm: print FID in lvbo_init(), lvbo_update
Print the namespace and OBD device name, as well as the first two lock resource fields (typically the FID) if there is an error with loading the object from disk. This will be more important with FID-on-OST and also the MDS. Using fid_extract_from_res_name() isn't possible in the LDLM code, since the lock resource may not be a FID. Make fid_extract_quota_resid() argument order and name consistent with other fid_*_res() functions, with FID first and resource second. Fix a bug in ofd_lvbo_init() where NULL lvb is accessed on error. Print FID in ofd_lvbo_update() CDEBUG() and CERROR() messages. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2193 Lustre-change: http://review.whamcloud.com/4501 Signed-off-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by: Bobi Jam <bobijam@gmail.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/ptlrpc: race in pinger (use-after-free situation)
The race is result of use-after-free situation: ~ ptlrpc_stop_pinger() ~ ptlrpc_pinger_main() --------------------------------------------------------------- thread_set_flags(SVC_STOPPING) cfs_waitq_signal(pinger_thread) ... ... thread_set_flags(SVC_STOPPED) l_wait_event(thread_is_stopped) OBD_FREE_PTR(pinger_thread) ... cfs_waitq_signal(pinger_thread) --------------------------------------------------------------- The memory used by pinger_thread might have been freed and reallocated to something else, when ptlrpc_pinger_main() used it in cvs_waitq_signal(). Signed-off-by: Li Wei <wei.g.li@intel.com> Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3032 Lustre-change: http://review.whamcloud.com/6040 Reviewed-by: Faccini Bruno <bruno.faccini@intel.com> Reviewed-by: Mike Pershin <mike.pershin@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/ptlrpc: Translate between host and network errnos
Lustre puts system errors (e.g., ENOTCONN) on wire as numbers essentially specific to senders' architectures. While this is fine for x86-only sites, where receivers share the same error number definition with senders, problems will arise, however, for sites involving multiple architectures with different error number definitions. For instance, an ENOTCONN reply from a sparc server will be put on wire as -57, which, for an x86 client, means EBADSLT instead. To solve the problem, this patch defines a set of network errors for on-wire or on-disk uses. These errors correspond to a subset of the x86 system errors and share the same number definition, maintaining compatibility with existing x86 clients and servers. Then, either error numbers could be translated at run time, or all host errors going on wire could be replaced with network errors in the code. This patch does the former by introducing both generic and field-specific translation routines and calling them at proper places, so that translations for existing fields are transparent. (Personally, I tend to think the latter way might be worthwhile, as it is more straightforward conceptually. Do we really need so many different errors? Should errors returned by kernel routines really be passed up and eventually put on wire? There could even be security implications in that.) Thank Fujitsu for the original idea and their contributions that make this available upstream. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2743 Lustre-change: http://review.whamcloud.com/5577 Signed-off-by: Li Wei <wei.g.li@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Hiroya Nozaki <nozaki.hiroya@jp.fujitsu.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/mdc: layout lock rpc must not take rpc_lock
When a client issue an RPC to get a layout lock, it must not hold rpc_lock because in case of a restore the rpc can be blocking for a long time Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3200 Lustre-change: http://review.whamcloud.com/6115 Signed-off-by: JC Lafoucriere <jacques-charles.lafoucriere@cea.fr> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by: Johann Lombardi <johann.lombardi@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/ldlm: split client namespaces into active and inactive
The main reason behind this is ldlm_poold walks all namespaces currently no matter if there are any locks or not. On large systems this could take quite a bit of time, esp. since ldlm_poold is currently woken up once per second. Now every time a client namespace loses it's last resource it is placed into an inactive list that is not touched by ldlm_poold as pointless. On creation of a first resource in a namespace it is placed back into the active list. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2924 Lustre-change: http://review.whamcloud.com/5624 Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Reviewed-by: Hiroya Nozaki <nozaki.hiroya@jp.fujitsu.com> Reviewed-by: Niu Yawei <yawei.niu@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre: Only wake up ldlm_poold as frequently as the check in…
…terval We used to wake up ldlm poold every second, but that's overkill, we should just see how much time is left until next closest recalc interval hits and sleep this much. This will make "per-second" client grant statistic not actually per-second, but I don't think we need any precision in that code Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2924 Lustre-change: http://review.whamcloud.com/5793 Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Reviewed-by: Vitaly Fertman <vitaly_fertman@xyratex.com> Reviewed-by: Hiroya Nozaki <nozaki.hiroya@jp.fujitsu.com> Reviewed-by: Niu Yawei <yawei.niu@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre: Make quota namespace refcounting consistent
It seems quota namespace is needlessly referenced on connect, but that's not necessary as it could not go away until entire obd goes away. On the other hand this extra reference disturbs other logic depending on empty namespace having zero refcount, so this patch drops such extra referencing. This picks client side change of the original patch. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2924 Lustre-change: http://review.whamcloud.com/6234 Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Reviewed-by: Niu Yawei <yawei.niu@intel.com> Reviewed-by: Johann Lombardi <johann.lombardi@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/dlmlock: compress out unused space
* lustre/include/lustre_dlm.h: Remove all bit fields and the unused weighing callback procedure. respell LDLM_AST_DISCARD_DATA as LDLM_FL_AST_DISCARD_DATA to match other flags. * .gitignore: ignore emacs temporary files * autogen.sh: rebuild the lock bits, if autogen is available. * contrib/bit-masks/lustre_dlm_flags.def: define the ldlm_lock flags * contrib/bit-masks/lustre_dlm_flags.tpl: template for emitting text * contrib/bit-masks/Makefile: construct the .c and .h files The .c file is for constructing a crash extension and is not preserved. * contrib/bit-masks/.gitignore: ignore built products * lustre/contrib/wireshark/packet-lustre.c: use built files instead of local versions of the defines. In the rest of the modified sources, replace flag field references with bit mask references. * lustre/osc/osc_lock.c: removed osc_lock_weigh, too Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2771 Lustre-change: http://review.whamcloud.com/5312 Signed-off-by: Bruce Korb <bruce_korb@xyratex.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Reviewed-by: Keith Mannthey <Keith.Mannthey@intel.com> Reviewed-by: Keith Mannthey <keith.mannthey@intel.com> Reviewed-by: <bruce.korb@gmail.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/md: fix lu_ucred.c boilerplate
In preparing Ie3a3cd99 (LU-1330 obdclass: splits server-side object stack from client) the lu_ucred infrastructure was put in its own file. Fixup the boilerplate of this file to give the proper path, short description, and authors. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-1330 Lustre-change: http://review.whamcloud.com/5910 Signed-off-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Fan Yong <fan.yong@intel.com> Reviewed-by: Vitaly Fertman <vitaly_fertman@xyratex.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/layout: introduce new layout for released files
Released files now have a standard layout (with generation, pool, ...) and a stripe count 0 and lmm_pattern flag LOV_PATTERN_F_RELEASED. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2482 Lustre-change: http://review.whamcloud.com/4816 Signed-off-by: Jinshan Xiong <jinshan.xiong@intel.com> Signed-off-by: Johann Lombardi <johann.lombardi@intel.com> Reviewed-by: Keith Mannthey <keith.mannthey@intel.com> Reviewed-by: Fan Yong <fan.yong@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/mdt: add macros for fid string len
add 2 macros for the length of a fid string 0xSEQ:0xOID:0xVER and it's brace version (FID_NOBRACE_LEN, and FID_LEN) Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2782 Lustre-change: http://review.whamcloud.com/5299 Signed-off-by: JC Lafoucriere <jacques-charles.lafoucriere@cea.fr> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llapi: add user space method for lov_user_md
move lov_mds_md_size from obd_lov.h to lustre_idl.h to have it close to lov_mds_md definition. add lov_user_md_size() to compute lum size so llapi and user space utils do not use kernel internal definitions/methods Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3345 Lustre-change: http://review.whamcloud.com/6345 Signed-off-by: JC Lafoucriere <jacques-charles.lafoucriere@cea.fr> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/obdclass: use a dummy structure for lu_ref_link
Move the definition of struct lu_ref_link to lu_ref.h. If USE_LU_REF is not defined then define it to be the empty struct. Change the return type of lu_ref_add() and lu_ref_add_atomic() to void. Add lu_ref_add_at() taking same arguments as lu_ref_add() togerther with a pointer to a struct lu_ref_link and returning void. Adjust all structures containing a lu_ref_link pointer to contain a struct lu_ref_link instead. Use lu_ref_add_at() and lu_ref_del_at() to handle embedded lu_ref_links. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3059 Lustre-change: http://review.whamcloud.com/5920 Signed-off-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by: Mike Pershin <mike.pershin@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre: fix 'code maintainability' errors
Fix 'code maintainability' issues found by Coverity version 6.5.1: Unused pointer value (UNUSED_VALUE) Pointer returned by function is never used. Missing varargs init or cleanup (VARARGS) va_end was not called for variable. Signed-off-by: Sebastien Buisson <sebastien.buisson@bull.net> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3107 Lustre-change: http://review.whamcloud.com/5944 Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com> Reviewed-by: John Hammond <johnlockwoodhammond@gmail.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/fid: prepare FID module for client server split
Split FID server from client, fid_{handler,store,lib}.c are not compliled unless server support is enabled. Generally cleanup includes in lustre/fid/ and reduce the need for client code to directly or indirectly include {dt,md}_object.h. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-1330 Lustre-change: http://review.whamcloud.com/2673 Signed-off-by: Liu Xuezhao <xuezhao.liu@emc.com> Signed-off-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/lfsck: split LFSCK code from mdd to lfsck
The new LFSCK is used not only for namespace consistency verification, but also for some other purposes, such as file layout consistency, DNE consistency, and ect. So it is more reasonable to move the new LFSCK code from mdd module to another independent module -- lfsck, which can directly talk with lod, local storage lib and ldlm. MDD (and OFD in next pahse) will register as lfsck instance for related lfsck component(s), such as 'namespace'. The lfsck processing will be independent from MDD, except the control: start/stop/pause. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2914 Lustre-change: http://review.whamcloud.com/6321 Signed-off-by: Fan Yong <fan.yong@intel.com> Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llite: force lvb_data update after layout change
When a file is restored the layout lock is first associated with the released layout and after restore it has to be assocaited with the new layout. This patch forces lvb_data update in ll_layout_fetch() even if one is present (case for released->normal state change) Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3299 Lustre-change: http://review.whamcloud.com/6291 Signed-off-by: JC Lafoucriere <jacques-charles.lafoucriere@cea.fr> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by: Johann Lombardi <johann.lombardi@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/lfsck: LFSCK 1.5 technical debts (3)
This patch resolves some LFSCK 1.5 technical debts, including: 1) Check and remove repeated linkea entries. 2) Merge some "goto" branches to make the code more readable. 3) Some comments about object's nlink inconsistency processing. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2915 Lustre-change: http://review.whamcloud.com/6344 Signed-off-by: Fan Yong <fan.yong@intel.com> Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/osc: Check return code for lu_kmem_init
lu_kmem_init can fail and returns has a return code. Check for this return code in lu_kmem_init. This issue was found during 2gb VM Racer testing Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3063 Lustre-change: http://review.whamcloud.com/6514 Signed-off-by: Keith Mannthey <keith.mannthey@intel.com> Reviewed-by: Mike Pershin <mike.pershin@intel.com> Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com> Reviewed-by: Bob Glossman <bob.glossman@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/ptlrpc: Race between start and stop service threads
When ptlrpc_start_thread fails to create a new thread, it will finalize and free a struct ptlrpc_thread created and used here. Considering this, it can be a problem when ptlrpc_svcpt_stop_thread is driven and handles the struct ptlrpc_thread right after or right before failure of cfs_create_thread. Because this situation let the both of ptlrpc_start_thread and ptlrpc_svcpt_stop_threads access the freed ptlrpc_thread and cause OS panic. Or, it may happen that ptlrpc_svcpt_stop_threads waits forever holding an already-freed waitq. This patch adds an error handling into ptlrpc_start_thread to fix this problem. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2889 Lustre-change: http://review.whamcloud.com/5552 Signed-off-by: Hiroya Nozaki <nozaki.hiroya@jp.fujitsu.com> Reviewed-by: Liang Zhen <liang.zhen@intel.com> Reviewed-by: Nikitas Angelinas <nikitas_angelinas@xyratex.com> Reviewed-by: Keith Mannthey <keith.mannthey@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/crypto: add crc32c module loading to libcfs
This patch add automatically module loading for crc32c when libcfs is starting. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2212 Lustre-change: http://review.whamcloud.com/4372 Signed-off-by: Alexander Boyko <alexander_boyko@xyratex.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Shuichi Ihara <sihara@ddn.com> Reviewed-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/mdt: duplicate link names in directory
When creating a hard link to a file, the MDT/MDD/OSD code does not verify whether the target link name already exists in the directory. The ZFS ZAP code checks for duplicate entries. The add_dirent_to_buf() function in ldiskfs only checks entries for duplicates while it is traversing the leaf block looking for free space. Even if it scanned the whole leaf block, this would not work for non-htree directories since there is no guarantee that the name is being inserted into the same leaf block. To fix this, link should check target object doesn't exist as other creat operations. Add sanity.sh test_31o with multiple threads racing to link a new name into the directory, while ensuring that there is a free entry in the leaf block that is large enough to hold the duplicate name. This needs to be racy, because otherwise the client VFS will see the existing name and not send the RPC to the MDS, hiding the bug. Add DLDLMRES/PLDLMRES macros for printing the whole lock resource name (including the name hash) in LDLM_DEBUG() messages in a format similar to DFID/PFID so they can be found in debug logs more easily. The patch pickes client side change of the original patch, which only contains the DLM printk part. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2901 Lustre-change: http://review.whamcloud.com/6591 Signed-off-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Lai Siyao <lai.siyao@intel.com> Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com> Reviewed-by: Mike Pershin <mike.pershin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llite: call simple_setattr() from ll_md_setattr()
This partially reverts the change from "LU-2482 layout: introduce new layout for released files" by calling simple_setattr() from ll_md_setattr() without ATTR_SIZE set. Doing so avoids failed assertions in osc_page_delete(). Disable truncates on released files and modify sanity 229 accordingly. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3448 Lustre-change: http://review.whamcloud.com/6643 Signed-off-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: jacques-Charles Lafoucriere <jacques-charles.lafoucriere@cea.fr> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/ldlm: Fix flock deadlock detection race
Deadlock isn't detected if 2 threads are trying to grant 2 locks which deadlock on each other. They call ldlm_flock_deadlock() simultaneously and deadlock ins't detected. The soulition is to add lock to blocking list before calling ldlm_flock_deadlock() Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-1602 Lustre-change: http://review.whamcloud.com/3277 Signed-off-by: Andriy Skulysh <Andriy_Skulysh@xyratex.com> Reviewed-by: Vitaly Fertman <vitaly_fertman@xyratex.com> Reviewed-by: Bruce Korb <bruce_korb@xyratex.com> Reviewed-by: Keith Mannthey <keith.mannthey@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/lnet: remove empty file lnet/lnet/api-errno.c
The file is empty. We can just remove it. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2335 Lustre-change: http://review.whamcloud.com/5880 Reviewed-by: Liang Zhen <liang.zhen@intel.com> Reviewed-by: Li Wei <wei.g.li@intel.com> Reviewed-by: Isaac Huang <he.huang@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/fld: prepare FLD module for client server split
Split FLD server from client, fld_{handler,index}.c are not compliled unless server support is enabled. Do not include dt_object.h or lustre_mdt.h in lustre_fld.h and fix the minor breakages caused by this elsewhere. Generally cleanup includes in lustre/fld. Signed-off-by: Liu Xuezhao <xuezhao.liu@emc.com> Signed-off-by: John L. Hammond <john.hammond@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-1330 Lustre-change: http://review.whamcloud.com/2675 Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/lmv: support DNE with HSM.
Send HSM requests to the appropriate MDT. Split lists of fids of HSM actions into one list per MDT. Move kuc registration/unregistration from MDC to LMV as this is not MDT related. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3365 Lustre-change: http://review.whamcloud.com/6714 Signed-off-by: Thomas Leibovici <thomas.leibovici@cea.fr> Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: jacques-Charles Lafoucriere <jacques-charles.lafoucriere@cea.fr> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/lmv: support DNE with HSM.
Send HSM requests to the appropriate MDT. Split lists of fids of HSM actions into one list per MDT. Move kuc registration/unregistration from MDC to LMV as this is not MDT related. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3365 Lustre-change: http://review.whamcloud.com/6714 Signed-off-by: Thomas Leibovici <thomas.leibovici@cea.fr> Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: jacques-Charles Lafoucriere <jacques-charles.lafoucriere@cea.fr> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/obdclass: add obd_target.h
Move some server-side data structures form obd.h to obd_target.h. To remove some code dependencies use HAVE_SERVER_SUPPORT to protect some llog/fsfilt_* functions. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-1330 Lustre-change: http://review.whamcloud.com/2678 Signed-off-by: Liu Xuezhao <xuezhao.liu@emc.com> Signed-off-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Peng Tao <bergwolf@gmail.com> Reviewed-by: Mike Pershin <mike.pershin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/procfs: return -ENOMEM from lprocfs_register()
In lprocfs_register(), if proc_mkdir() fails then return ERR_PTR(-ENOMEM) rather than NULL and hold _lprocfs_mutex for the whole function. In lprocfs_remove_nolock() return early if the entry is an error pointer. Improve error handling around lprocfs_register() in a few spots. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2650 Lustre-change: http://review.whamcloud.com/5161 Signed-off-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Emoly Liu <emoly.liu@intel.com> Reviewed-by: Keith Mannthey <keith.mannthey@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/lmv: fix duplicate directory entries
Previously, I accidentally introduced a new way for duplicate directory entries to be returned from readdir(). That patch fails to properly decrement the nlupgs counter when breaking out of the inner-for loop. This accounting error causes an extra iteration of the inner-for loop when processing the next cfs page and a bad ldp_hash_end value is then saved in the lu_dirpage. To fix this, always decrement the nlupgs counter on entry into the inner loop. Note: this bug only affects architectures with > 4k-sized pages, e.g. PowerPC. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3182 Lustre-change: http://review.whamcloud.com/6405 Signed-off-by: Ned Bass <bass6@llnl.gov> Reviewed-by: Fan Yong <fan.yong@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Bobi Jam <bobijam@gmail.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/obdclass: be more careful processing server name
Because whole options line gets passed to exclude processing, don't search from end of passed in argument to determine fsname at beginning. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2200 Lustre-change: http://review.whamcloud.com/6197 Signed-off-by: Nathaniel Clark <nathaniel.l.clark@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llite: return valid fsid for statfs
Lustre uses 64-bits inode number to identify object on client side. When re-export Lustre via NFS, NFS will detect whether support fsid via statfs(). For the non-support case, it will only recognizes and packs low 32-bits inode number in nfs handle. Such handle cannot be used to locate the object properly. To avoid patch linux kernel, Lustre client should generate fsid and return it via statfs() to up layer. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2904 Lustre-change: http://review.whamcloud.com/6493 Signed-off-by: Fan Yong <fan.yong@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Lai Siyao <lai.siyao@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llite: error of listxattr when buffer is small
According to the standard, listxattr(2) should return -1 and errno should be set to ERANGE if the size of the list buffer is too small to hold the result. However ll_listxattr() will return a value bigger than the size of buffer in some cases. Let's assume listxattr(2) returns SIZE when it is called with a large enough list buffer. If it's called again with a list buffer whose size is smaller than SIZE but bigger than (SIZE - 12), then listxattr(2) will return SIZE too. This patch fixes the problem. Original patch by Li Xi <pkuelelixi@gmail.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3403 Lustre-change: http://review.whamcloud.com/6463 Signed-off-by: Keith Mannthey <keith.mannthey@intel.com> Reviewed-by: Li Xi <pkuelelixi@gmail.com> Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/llite: Anonymous dentry incorrectly identified as root
When exporting Lustre via NFS on SLES11SP2, this check incorrectly identifies anonymous dentries as root dentries. This is due to a change in SLES11SP2 which makes the d_name.name for anonymous dentries the same as that for root dentries. (Details in LU-3484.) This changes the check to directly compare the value of the dentry pointer to the root dentry pointer found in the superblock, rather than using the name. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3484 Lustre-change: http://review.whamcloud.com/6726 Signed-off-by: Patrick Farrell <paf@cray.com> Reviewed-by: Bob Glossman <bob.glossman@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Peng Tao <bergwolf@gmail.com> Reviewed-by: James Simmons <uja.ornl@gmail.com> Reviewed-by: Alexey Shvetsov <alexxy@gentoo.org> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/build: fix 'data race condition' issues
Fix 'data race condition' defects found by Coverity version 6.5.0: Data race condition (MISSING_LOCK) Accessing variable without holding lock. Elsewhere, this variable is accessed with lock held. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2744 Lustre-change: http://review.whamcloud.com/6569 Signed-off-by: Sebastien Buisson <sebastien.buisson@bull.net> Reviewed-by: Bob Glossman <bob.glossman@intel.com> Reviewed-by: Keith Mannthey <keith.mannthey@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/build: fix 'data race condition' issues
Fix 'data race condition' defects found by Coverity version 6.5.0: Data race condition (MISSING_LOCK) Accessing variable without holding lock. Elsewhere, this variable is accessed with lock held. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2744 Lustre-change: http://review.whamcloud.com/6571 Signed-off-by: Sebastien Buisson <sebastien.buisson@bull.net> Reviewed-by: Fan Yong <fan.yong@intel.com> Reviewed-by: Keith Mannthey <keith.mannthey@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/style: removes obsolete EXPORT_SYMTAB macros v2
EXPORT_SYMTAB is obsolete after 2.4 kernel, this patch removes EXPORT_SYMTAB from the source code again. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-1347 Lustre-change: http://review.whamcloud.com/6739 Signed-off-by: Keith Mannthey <keith.mannthey@intel.com> Reviewed-by: Peng Tao <bergwolf@gmail.com> Reviewed-by: Liu Xuezhao <xuezhao.liu@emc.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/mdt: HSM on disk actions record
HSM coordinator memorizes all actions in a llog This patch implements the methods needed to create update display these records. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3339 Lustre-change: http://review.whamcloud.com/6529 Signed-off-by: JC Lafoucriere <jacques-charles.lafoucriere@cea.fr> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/scrub: purge inconsistenct objects after OI scrub
When OI scrub repaired the found inconsistency, it needs to purge the old object out of cache; otherwise, others may still use those cached stale information. Original patch adds functions in obdclass that is only used by server. Drop that part. Only merge in error handling change. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3335 Lustre-change: http://review.whamcloud.com/6697 Signed-off-by: Fan Yong <fan.yong@intel.com> Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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staging/lustre/mdc: Keep resend FLocks
FLocks requests (particulary F_UNLCKs) can't be trashed upon comm problems with Server/MDS nor upon kill/exit, thus we need to keep retry/send. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2665 Lustre-change: http://review.whamcloud.com/6415 Signed-off-by: Bruno Faccini <bruno.faccini@intel.com> Reviewed-by: Bobi Jam <bobijam@gmail.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Peng Tao <tao.peng@emc.com>
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