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2018-05-18afs: Rearrange fs/afs/proc.c to move the show routines upDavid Howells1-75/+75
Rearrange fs/afs/proc.c to move the show routines up to the top of each block so the order is show, iteration, ops, file ops, fops. Signed-off-by: David Howells <dhowells@redhat.com>
2018-05-18afs: Rearrange fs/afs/proc.c by moving fops and open functions downDavid Howells1-44/+27
Rearrange fs/afs/proc.c by moving fops and open functions down so as to remove predeclarations. Signed-off-by: David Howells <dhowells@redhat.com>
2018-05-18afs: Move /proc management functions to the end of the fileDavid Howells1-81/+79
In fs/afs/proc.c, move functions that create and remove /proc files to the end of the source file as a first stage in getting rid of all the forward declarations. Signed-off-by: David Howells <dhowells@redhat.com>
2018-05-17isdn/gigaset: add back gigaset_procinfo assignmentChristoph Hellwig1-0/+1
Fixes: 2cd1f0ddbb56 ("isdn: replace ->proc_fops with ->proc_show") Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-05-16proc: update SIZEOF_PDE_INLINE_NAME for the new pde fieldsChristoph Hellwig1-2/+2
This makes Alexey happy and Al groan. Based on a patch from Alexey Dobriyan. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16tty: replace ->proc_fops with ->proc_showChristoph Hellwig14-172/+16
Just set up the show callback in the tty_operations, and use proc_create_single_data to create the file without additional boilerplace code. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ide: replace ->proc_fops with ->proc_showChristoph Hellwig6-222/+31
Just set up the show callback in the tty_operations, and use proc_create_single_data to create the file without additional boilerplace code. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ide: remove ide_driver_proc_writeChristoph Hellwig1-46/+0
The driver proc file hasn't been writeable for a long time, so this is just dead code. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
2018-05-16isdn: replace ->proc_fops with ->proc_showChristoph Hellwig15-110/+20
And switch to proc_create_single_data. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16atm: switch to proc_create_seq_privateChristoph Hellwig1-59/+13
And remove proc boilerplate code. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16atm: simplify procfs codeChristoph Hellwig1-58/+7
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Also don't bother handling proc_create* failures - the driver works perfectly fine without the proc files, and the cleanup will handle missing files gracefully. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16bluetooth: switch to proc_create_seq_dataChristoph Hellwig1-35/+5
And use proc private data directly instead of doing a detour through seq->private and private state. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16netfilter/x_tables: switch to proc_create_seq_privateChristoph Hellwig1-36/+6
And remove proc boilerplate code. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16netfilter/xt_hashlimit: switch to proc_create_{seq,single}_dataChristoph Hellwig1-74/+18
And use proc private data directly instead of doing a detour through seq->private. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16neigh: switch to proc_create_seq_dataChristoph Hellwig1-25/+6
And use proc private data directly instead of doing a detour through seq->private. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16hostap: switch to proc_create_{seq,single}_dataChristoph Hellwig3-191/+39
And use proc private data directly instead of doing a detour through seq->private. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16bonding: switch to proc_create_seq_dataChristoph Hellwig1-30/+6
And use proc private data directly instead of doing a detour through seq->private. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16rtc/proc: switch to proc_create_single_dataChristoph Hellwig1-31/+2
And stop trying to get a reference on the submodule, procfs code deals with release after an unloaded module and thus removed proc entry. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-05-16drbd: switch to proc_create_singleChristoph Hellwig3-35/+4
And stop messing with try_module_get on THIS_MODULE, which doesn't make any sense here. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16resource: switch to proc_create_seq_dataChristoph Hellwig1-38/+5
And use the root resource directly from the proc private data. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16staging/rtl8192u: simplify procfs codeChristoph Hellwig1-53/+14
Unwind the registration loop into individual calls. Switch to use proc_create_single where applicable. Also don't bother handling proc_create* failures - the driver works perfectly fine without the proc files, and the cleanup will handle missing files gracefully. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16jfs: simplify procfs codeChristoph Hellwig6-99/+24
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ext4: simplify procfs codeChristoph Hellwig3-66/+14
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16afs: simplify procfs codeChristoph Hellwig1-119/+15
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16sg: simplify procfs codeChristoph Hellwig1-112/+12
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Also don't bother handling proc_create* failures - the driver works perfectly fine without the proc files, and the cleanup will handle missing files gracefully. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16megaraid: simplify procfs codeChristoph Hellwig2-116/+36
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_single. Also don't bother handling proc_create* failures - the driver works perfectly fine without the proc files, and the cleanup will handle missing files gracefully. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16sgi-gru: simplify procfs codeChristoph Hellwig1-67/+14
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16acpi/battery: simplify procfs codeChristoph Hellwig1-95/+26
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-05-16proc: introduce proc_create_net_singleChristoph Hellwig13-307/+86
Variant of proc_create_data that directly take a seq_file show callback and deals with network namespaces in ->open and ->release. All callers of proc_create + single_open_net converted over, and single_{open,release}_net are removed entirely. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: introduce proc_create_net{,_data}Christoph Hellwig57-939/+202
Variants of proc_create{,_data} that directly take a struct seq_operations and deal with network namespaces in ->open and ->release. All callers of proc_create + seq_open_net converted over, and seq_{open,release}_net are removed entirely. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16net: move seq_file_single_net to <linux/seq_file_net.h>Christoph Hellwig2-12/+13
This helper deals with single_{open,release}_net internals and thus belongs here. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16netfilter/x_tables: simplify ѕeq_file codeChristoph Hellwig1-28/+11
Just use the address family from the proc private data instead of copying it into per-file data. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16net/kcm: simplify proc registrationChristoph Hellwig1-54/+17
Remove a couple indirections to make the code look like most other protocols. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ipv6/flowlabel: simplify pid namespace lookupChristoph Hellwig1-23/+6
The code should be using the pid namespace from the procfs mount instead of trying to look it up during open. Suggested-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ipv{4,6}/raw: simplify ѕeq_file codeChristoph Hellwig3-30/+16
Pass the hashtable to the proc private data instead of copying it into the per-file private data. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ipv{4,6}/ping: simplify proc file creationChristoph Hellwig3-59/+37
Remove the pointless ping_seq_afinfo indirection and make the code look like most other protocols. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ipv{4,6}/tcp: simplify procfs registrationChristoph Hellwig3-70/+53
Avoid most of the afinfo indirections and just call the proc helpers directly. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ipv{4,6}/udp{,lite}: simplify proc registrationChristoph Hellwig5-113/+78
Remove a couple indirections to make the code look like most other protocols. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: introduce proc_create_single{,_data}Christoph Hellwig85-1509/+235
Variants of proc_create{,_data} that directly take a seq_file show callback and drastically reduces the boilerplate code in the callers. All trivial callers converted over. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: introduce proc_create_seq_privateChristoph Hellwig12-113/+37
Variant of proc_create_data that directly take a struct seq_operations argument + a private state size and drastically reduces the boilerplate code in the callers. All trivial callers converted over. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: introduce proc_create_seq{,_data}Christoph Hellwig53-925/+151
Variants of proc_create{,_data} that directly take a struct seq_operations argument and drastically reduces the boilerplate code in the callers. All trivial callers converted over. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: add a proc_create_reg helperChristoph Hellwig2-19/+27
Common code for creating a regular file. Factor out of proc_create_data, to be reused by other functions soon. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: simplify proc_register calling conventionsChristoph Hellwig2-26/+20
Return registered entry on success, return NULL on failure and free the passed in entry. Also expose it in internal.h as we'll start using it in proc_net.c soon. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: don't detour through seq->private to get the inodeChristoph Hellwig1-14/+6
Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: introduce a proc_pid_ns helperChristoph Hellwig5-20/+19
Factor out retrieving the per-sb pid namespaces from the sb private data into an easier to understand helper. Suggested-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-14net/can: single_open_net needs to be paired with single_release_netChristoph Hellwig2-4/+4
Otherwise we will leak a reference to the network namespace. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-13Linux 4.17-rc5Linus Torvalds1-1/+1
2018-05-12swiotlb: silent unwanted warning "buffer is full"Jean Delvare1-1/+1
If DMA_ATTR_NO_WARN is passed to swiotlb_alloc_buffer(), it should be passed further down to swiotlb_tbl_map_single(). Otherwise we escape half of the warnings but still log the other half. This is one of the multiple causes of spurious warnings reported at: https://bugs.freedesktop.org/show_bug.cgi?id=104082 Signed-off-by: Jean Delvare <jdelvare@suse.de> Fixes: 0176adb00406 ("swiotlb: refactor coherent buffer allocation") Cc: Christoph Hellwig <hch@lst.de> Cc: Christian König <christian.koenig@amd.com> Cc: Michel Dänzer <michel@daenzer.net> Cc: Takashi Iwai <tiwai@suse.de> Cc: stable@vger.kernel.org # v4.16
2018-05-12Revert "sched/numa: Delay retrying placement for automatic NUMA balance after wake_affine()"Mel Gorman1-56/+1
This reverts commit 7347fc87dfe6b7315e74310ee1243dc222c68086. Srikar Dronamra pointed out that while the commit in question did show a performance improvement on ppc64, it did so at the cost of disabling active CPU migration by automatic NUMA balancing which was not the intent. The issue was that a serious flaw in the logic failed to ever active balance if SD_WAKE_AFFINE was disabled on scheduler domains. Even when it's enabled, the logic is still bizarre and against the original intent. Investigation showed that fixing the patch in either the way he suggested, using the correct comparison for jiffies values or introducing a new numa_migrate_deferred variable in task_struct all perform similarly to a revert with a mix of gains and losses depending on the workload, machine and socket count. The original intent of the commit was to handle a problem whereby wake_affine, idle balancing and automatic NUMA balancing disagree on the appropriate placement for a task. This was particularly true for cases where a single task was a massive waker of tasks but where wake_wide logic did not apply. This was particularly noticeable when a futex (a barrier) woke all worker threads and tried pulling the wakees to the waker nodes. In that specific case, it could be handled by tuning MPI or openMP appropriately, but the behavior is not illogical and was worth attempting to fix. However, the approach was wrong. Given that we're at rc4 and a fix is not obvious, it's better to play safe, revert this commit and retry later. Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: efault@gmx.de Cc: ggherdovich@suse.cz Cc: hpa@zytor.com Cc: matt@codeblueprint.co.uk Cc: mpe@ellerman.id.au Link: http://lkml.kernel.org/r/20180509163115.6fnnyeg4vdm2ct4v@techsingularity.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-05-11rbtree: include rcu.hSebastian Andrzej Siewior2-0/+2
Since commit c1adf20052d8 ("Introduce rb_replace_node_rcu()") rbtree_augmented.h uses RCU related data structures but does not include the header file. It works as long as it gets somehow included before that and fails otherwise. Link: http://lkml.kernel.org/r/20180504103159.19938-1-bigeasy@linutronix.de Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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