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2018-05-18proc: Add a way to make network proc files writableDavid Howells4-0/+130
Provide two extra functions, proc_create_net_data_write() and proc_create_net_single_write() that act like their non-write versions but also set a write method in the proc_dir_entry struct. An internal simple write function is provided that will copy its buffer and hand it to the pde->write() method if available (or give an error if not). The buffer may be modified by the write method. Signed-off-by: David Howells <dhowells@redhat.com>
2018-05-18afs: Rearrange fs/afs/proc.c to remove remaining predeclarations.David Howells1-192/+160
Rearrange fs/afs/proc.c to get rid of all the remaining predeclarations. Signed-off-by: David Howells <dhowells@redhat.com>
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
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