- 03 Feb, 2016 37 commits
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Oleg Drokin authored
Make them void __user * instead of char * (or char __user *), void * removes the necessity of explicit casts to proper type where people also need to remember __user qualifiers, so I think it works better here. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Oleg Drokin authored
Make them void __user * instead of char * (or char __user *), void * removes the necessity of explicit casts to proper type where people also need to remember __user qualifiers, so I think it works better here. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Oleg Drokin authored
Just make clear which pointers are from userspace and which are not in libcfs_ioctl_getdata/libcfs_ioctl_popdata and their callers. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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John L. Hammond authored
In lustre/obdecho/echo_client.c, remove handling of lov_stripe_md passed from userspace (since userspace never passes it). Remove the LOV specific code (ed_next_islov) from the echo client (since it doesn't work). Remove echo_get_stripe_off_id() and all calls to it since the stripe count of the passed in lsm is always 0 and the funciton does nothing in this case. Remove the then unused lsm parameters of echo_client_page_debug_setup() and echo_client_page_debug_check(). In the OBD_IOC_GETATTR and OBD_IOC_SETATTR cases of echo_client_iocontrol() do not set the oi_md member of struct obd_info since only LOV OBD methods access it. Signed-off-by: John L. Hammond <john.hammond@intel.com> Reviewed-on: http://review.whamcloud.com/12446 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5814Reviewed-by: Bobi Jam <bobijam@gmail.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Oleg Drokin authored
Remove long unused ECHO_IOC_GET_STRIPE, ECHO_IOC_SET_STRIPE, ECHO_IOC_ENQUEUE and ECHO_IOC_CANCEL ioctls. Signed-off-by: John L. Hammond <john.hammond@intel.com> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Oleg Drokin authored
This has been unused for ages and could be safely removed now. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Oleg Drokin authored
IOC_LIBCFS_DEBUG_PEER was added back in the stone ages to print debug statistics on a peer when peer timeout happens. Redo it properly as a separate LNet API call, also get rid of "ioctl" forwarding into the underlying LNDs, since no current LNDs implement this function anymore. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Oleg Drokin authored
It's not used anywhere outside of api-ni.c anyway. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Julia Lawall authored
This export_operations structure is never modified, so declare it as const. Most other structures of this type are already const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Julia Lawall authored
These lu_device_operations and cl_device_operations structures are never modified, so declare them as const. Other structures of these types are already const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Joshua Clayton authored
nrs_resource_put_safe() might hold a lock one one struct while operating on the other. There are 2 levels of structures. Use nrs_policy_put(), which has locking baked in. sparse gives the following warning: drivers/staging/lustre//lustre/ptlrpc/nrs.c:498:39: warning: context imbalance in 'nrs_resource_put_safe' - different lock contexts for basic block Signed-off-by: Joshua Clayton <stillcompiling@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Valdis Kletnieks authored
Clean up another case of the compiler remininding the programmer they are an idiot: drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c:308:34: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] LASSERT(page_pools.epp_waitqlen >= 0); Just lose the assert, and save a page of compiler spew. Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Valdis Kletnieks authored
Writing asserts for almost-never-can-happen things can be valuable. Writing an assert that tests that an "unsigned int" hasn't gone negative isn't. And it generates an *ugly* message: drivers/staging/lustre/lustre/llite/rw.c:763:20: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] LASSERTF(reserved >= 0, "reserved %lu\n", reserved); ^ include/linux/compiler.h:137:45: note: in definition of macro 'unlikely' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ drivers/staging/lustre/lustre/llite/rw.c:763:2: note: in expansion of macro 'LASSERTF' LASSERTF(reserved >= 0, "reserved %lu\n", reserved); ^ drivers/staging/lustre/lustre/llite/rw.c:763:20: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] LASSERTF(reserved >= 0, "reserved %lu\n", reserved); ^ include/linux/compiler.h:137:53: note: in definition of macro 'unlikely' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ drivers/staging/lustre/lustre/llite/rw.c:763:2: note: in expansion of macro 'LASSERTF' LASSERTF(reserved >= 0, "reserved %lu\n", reserved); ^ drivers/staging/lustre/lustre/llite/rw.c:763:20: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] LASSERTF(reserved >= 0, "reserved %lu\n", reserved); ^ include/linux/compiler.h:110:47: note: in definition of macro 'likely_notrace' #define likely_notrace(x) __builtin_expect(!!(x), 1) ^ include/linux/compiler.h:137:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ drivers/staging/lustre/lustre/llite/../include/linux/../../../include/linux/libcfs/libcfs_private.h:58:6: note: in expansion of macro 'unlikely' if (unlikely(!(cond))) { \ ^ drivers/staging/lustre/lustre/llite/rw.c:763:2: note: in expansion of macro 'LASSERTF' LASSERTF(reserved >= 0, "reserved %lu\n", reserved); ^ Umm, thank you, GCC. We'll delete the problem line so we never see that spew again. Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Valdis Kletnieks authored
CC [M] drivers/staging/lustre/lustre/libcfs/module.o drivers/staging/lustre/lustre/libcfs/module.c: In function 'lustre_insert_debugfs': drivers/staging/lustre/lustre/libcfs/module.c:670:17: warning: variable 'entry' set but not used [-Wunused-but-set-variable] struct dentry *entry; ^ Just ignore the dentry returned, and add a comment that we *know* we're not really leaking the dentry because something else will be able to reap it via recursion. Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Valdis Kletnieks authored
drivers/staging/lustre/lustre/fid/../include/lustre_cfg.h: In function 'lustre_cfg_free': drivers/staging/lustre/lustre/fid/../include/lustre_cfg.h:253:6: warning: variable 'len' set but not used [-Wunused-but-set-variable] int len; Yep, we're just gonna call kfree, no need to calculate len. Bye-bye. Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Valdis Kletnieks authored
drivers/staging/lustre/lustre/fid/lproc_fid.c: In function 'ldebugfs_fid_write_common': drivers/staging/lustre/lustre/fid/lproc_fid.c:67:6: warning: variable 'rc' set but not used [-Wunused-but-set-variable] int rc; We fix it by *using* the return code to help bulletproof it. It says it's test code - it should be *more* bulletproof than production, not less. Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Valdis Kletnieks authored
Low-hanging fruit first: CC [M] drivers/staging/lustre/lustre/fid/fid_request.o In file included from drivers/staging/lustre/lustre/fid/../include/lustre_net.h:66:0, from drivers/staging/lustre/lustre/fid/../include/lustre_lib.h:64, from drivers/staging/lustre/lustre/fid/../include/obd.h:52, from drivers/staging/lustre/lustre/fid/fid_request.c:48: drivers/staging/lustre/lustre/fid/../include/lu_object.h:765:1: warning: 'inline' is not at beginning of declaration [-Wold-style-declaration] static const inline struct lu_device_operations * ^ So we just swap inline and const. 272 warnings gone. :) Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
Cleanup the last white space issues in the kernel comm code. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
Doing if (rc != 0) or if (rc == 0) is bad form. This patch corrects kernelcomm.c to behavior according to kernel coding standards. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
The functon libcfs_kkuc_msg_put() returns -ENOSYS which is not correct. Return -ENXIO instead if the kuc header is corrupt. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
Add in missing braces for libcfs_kkuc_group_put();. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
Add in missing space arouund '+' in the kernel_comm code. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
Fixup the comments to the linux kernel style for the source and headers related to the kernel_comm work. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
Fix checkpatch.pl reports of NULL comparison in kernel_comm.c. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
The group variable was converted to an unsigned int in libcfs_kkuc_group_add() to avoid a potential overflow. The variable group is used in other kernelcomm functions so it makes sense to convert the rest of the group variables to unsigned int. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Hongchao Zhang authored
In struct kkuc_reg, the "kr_data" is difficult to be freed outside of libcfs, then it's better to change it to be inline data instead of the data pointer. Signed-off-by: Hongchao Zhang <hongchao.zhang@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6485 Reviewed-on: http://review.whamcloud.com/14638Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: James Simmons <uja.ornl@yahoo.com> Reviewed-by: frank zago <fzago@cray.com> Reviewed-by: Robert Read <robert.read@intel.com> Reviewed-by: Henri Doreau <henri.doreau@cea.fr> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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frank zago authored
Split the kernel comm header in libcfs into two new headers to handle both kernel space and user space for the lustre layer. This is broken out of the original patch 14270. The part covered by this change is as follows: The original libcfs_kernelcomm.h header is split into three parts: * lustre_kernelcomm.h, a new header for the kernel parts; * uapi_kernelcomm.h, a new header for the data structures shared between userspace and kernelspace; * lustreapi_internal.h receives the private liblustreapi prototypes. Various names and filenames have been harmonized to *kernelcomm*. The unused symbol KUC_FL_BLOCK has been removed. Signed-off-by: frank zago <fzago@cray.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6245 Reviewed-on: http://review.whamcloud.com/14270Reviewed-by: Nathan Rutman <nathan.rutman@seagate.com> Reviewed-by: James Simmons <uja.ornl@yahoo.com> Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com> Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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frank zago authored
Move the kernel portion from libcfs to obdclass. This code is only used by lustre. This is broken out of the original patch 14270. The part covered by this change is as follows: The original code in kernel_user_comm.c is split into two parts: * obdclass/kernelcomm.c for the kernel part. filp_user_write() was moved there, and linux-fs.c deleted; * liblustreapi_kernelconn.c for the user part. The calls to CDEBUG have been removed, and calls to CERROR have been transformed to llapi_err_noerrno. The type lustre_kernelcomm has been removed and replace by struct lustre_kernelcomm. Various names and filenames have been harmonized to *kernelcomm*. Signed-off-by: frank zago <fzago@cray.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6245 Reviewed-on: http://review.whamcloud.com/14270Reviewed-by: Nathan Rutman <nathan.rutman@seagate.com> Reviewed-by: James Simmons <uja.ornl@yahoo.com> Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com> Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Henri Doreau authored
Associate copytool registration to a given MDC import so that multiple mounts of the same filesystem do not lead to having the copytool registered multiple time. Signed-off-by: Henri Doreau <henri.doreau@cea.fr> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3882 Reviewed-on: http://review.whamcloud.com/7612Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
During the removal of the cfs wrappers the kg_sem semaphore was handled incorrectly. We need to take a write lock when writing data to the kkuc_groups. The libcfs_kkuc_group_foreach needs to only take a read lock. This makes use match the OpenSFS development branch. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fan Yong authored
Cleanup the a style issues for the lu_object_header_flags enum by adding a comma for the last field. This is broken out of patch http://review.whamcloud.com/6321. Signed-off-by: Fan Yong <fan.yong@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2914 Reviewed-on: http://review.whamcloud.com/6321Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
Remove libcfs function cfs_strncasecmp() since the kernel already has its own strncasecmp(). Lastly remove from libcfs.h cfs_get_blocked_sigs() since this function no longer exist. Signed-off-by: James Simmons <uja.ornl@gmail.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3963 Reviewed-on: http://review.whamcloud.com/13070Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Bob Glossman <bob.glossman@intel.com> Reviewed-by: Patrick Farrell <paf@cray.com> Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fan Yong authored
Add the ability to debug LFSCK to libcfs. This is broken out of patch http://review.whamcloud.com/6321. Signed-off-by: Fan Yong <fan.yong@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2914 Reviewed-on: http://review.whamcloud.com/6321Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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frank zago authored
Adds __acquires / __releases / __must_hold sparse locking annotations to several functions. Fixes sparse warnings such as: libcfs/libcfs/hash.c:127:1: warning: context imbalance in 'cfs_hash_spin_lock' - wrong count at exit libcfs/libcfs/hash.c:133:1: warning: context imbalance in 'cfs_hash_spin_unlock' - unexpected unlock libcfs/libcfs/hash.c:141:9: warning: context imbalance in 'cfs_hash_rw_lock' - wrong count at exit include/linux/rwlock_api_smp.h:221:9: warning: context imbalance in 'cfs_hash_rw_unlock' - unexpected unlock Signed-off-by: frank zago <fzago@cray.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5396 Reviewed-on: http://review.whamcloud.com/11295Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Patrick Farrell <paf@cray.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Simmons authored
For UMP and SMP machines the struct cfs_cpt_table are defined differently. In the case handled by this patch nodemask is defined as a integer for the UMP case and as a pointer for the SMP case. This will cause a problem for ost_setup which reads the nodemask directly. Instead we create a UMP version of cfs_cpt_nodemask and use that in ost_setup. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4199 Reviewed-on: http://review.whamcloud.com/9219 Starting in 3.14 kernels nodemask_t was changed from a a unsigned long to a linux bitmap so more than 32 cores could be supported. Using set_bit in cfs_cpt_table_alloc no longer compiles so this patch backports bits of the node management function that use a linux bitmap back end. Cleaned up libcfs bitmap.h to use the libcfs layers memory allocation function. This was pulling in lustre related code that was not defined. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4993 Reviewed-on: http://review.whamcloud.com/10332Signed-off-by: James Simmons <uja.ornl@gmail.com> Reviewed-by: Liang Zhen <liang.zhen@intel.com> Reviewed-by: Li Xi <pkuelelixi@gmail.com> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Bob Glossman <bob.glossman@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Niranjan Dighe authored
Remove IOC_LIBCFS_MEMHOG ioctl functionality as it is no longer needed thereby making functions like - kportal_memhog_alloc(), kportal_memhog_free() and type - struct libcfs_device_userstate unused. Signed-off-by: Niranjan Dighe <ndighe@visteon.com> Acked-by: James Simmons <jsimmons@infradead.org> Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Ksenija Stanojevic authored
Move panel driver from drivers/staging/panel to drivers/misc. Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com> Acked-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 01 Feb, 2016 3 commits
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Greg Kroah-Hartman authored
Merge tag 'iio-for-4.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: First round of new IIO device support, features and cleanups for the 4.6 cycle. Device Support * ad5761 - new driver * at91_sama5d2 ADC. - new driver and MAINTAINERS entry. - minor cleanups followed. * atlas pH-SM - new driver (this has possibly the prettiest data sheet I've ever seen) * mcp3422 - mcp3425 ADC added. * mcp4725 - mcp4726 DAC added. * mma8452 - mma8451q accelerometer added. * mpl115 - mpl115a1 added (a lot bigger than it seems as this is an SPI part whereas previous parts were i2c). * si7005 - Hoperf th02 (seems to be a repackaged part) * si7020 - Hoperf th06 (seems to be a repackaged part) New features * Core - IIO_PH type. Does what it says on the tin. * max30100 - LED current configuration support. * mcp320x - more differential measurement combinations. * mma8452 - free fall deteciton - opt3001 - enable operation without a IRQ line. - device tree docs. Somehow the original docs have disappeared down a rabbit hole, so here is a new set. * st-sensors - Support active-low interrupts. Cleanups and minor / not so minor reworks * Documentation - drop some defunct ABI from the docs in staging. * presure / Kconfig - white space cleanup. * ad7150 - BIT macro usage - Alignment fixes * ad7192 - false indent fixed. * ak8975 - constify the ak_def structures * axp288 - drop a redundant double const. * dht11 - substantial reliability improvements by being more tolerant of missing start bits. - simplify the decoding algorithm * mma8452 - whitespace cleanup * mpl115 - don't bother setting i2c_client_data as nothing uses it. * mpu6050 - drop unused function parameter. * opt3001 - extract integration time as constants. - trivial refactoring.
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Greg Kroah-Hartman authored
This fixes a merge issue with the panel driver, and picks up fixes in iio and other drivers that we want here. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Andreas Dannenberg authored
The original documentation as submitted with the driver appears to have dropped down a rabbit hole. Signed-off-by: Andreas Dannenberg <dannenberg@ti.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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