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2016-07-18dm: call PR reserve/unreserve on each underlying deviceChristoph Hellwig
So far we tried to rely on the SCSI 'all target ports' bit to register all path, but for many setups this didn't work properly as the different paths are seen as separate initiators to the target instead of multiple ports of the same initiator. Because of that we'll stop setting the 'all target ports' bit in SCSI, and let device mapper handle iterating over the device for each path and register them manually. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18sd: don't use the ALL_TG_PT bit for reservationsChristoph Hellwig
These only work if the we use the same initiator ID for all path, which might not be true if we use different protocols, or even just different HBAs. Instead dm-mpath will grow support to register all path manually later in this series. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <mchristi@redhat.com> Acked-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm: fix second blk_delay_queue() parameter to be in msec units not jiffiesTahsin Erdogan
Commit d548b34b062 ("dm: reduce the queue delay used in dm_request_fn from 100ms to 10ms") always intended the value to be 10 msecs -- it just expressed it in jiffies because earlier commit 7eaceaccab ("block: remove per-queue plugging") did. Signed-off-by: Tahsin Erdogan <tahsin@google.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Fixes: d548b34b062 ("dm: reduce the queue delay used in dm_request_fn from 100ms to 10ms") Cc: stable@vger.kernel.org # 4.1+ -- stable@ backports must be applied to drivers/md/dm.c
2016-07-18wlcore: Add support for get_expected_throughput opcodeMaxim Altshul
Adding this opcode, allows the TI wireless driver, to report throughput directly from FW to mac80211. This is used mainly for mesh metric calculation. Signed-off-by: Maxim Altshul <maxim.altshul@ti.com> [kvalo@codeaurora.org: fix indentation] Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-18dm raid: change logical functions to actually return boolHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: use rdev_for_each in statusHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: use rs->raid_disks to avoid memory leaks on freeHeinz Mauelshagen
Also makes code more consistent throughout. Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: support delta_disks for raid1, fix table outputHeinz Mauelshagen
Add "delta_disks" constructor argument support to raid1 to allow for consistent userspace disk addition/removal handling. Fix raid_status() to report all raid disks with status and table output on disk adding reshapes, not just the ones listed on the mddev; optimize its rebuild and writemostly output. Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: enhance reshape check and factor out reshape setupHeinz Mauelshagen
Enhance rs_reshape_requested() check function to be more transparent and fix its raid10 check. Streamline the constructor by factoring out reshaping preparation into fucntion rs_prepare_reshape(). Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: allow resize during recoveryHeinz Mauelshagen
Resizing a RAID set during recovery can be allowed, because the MD resynchronization thread will either stop any ongoing recovery in case of shrinking below the current recovery position or carry on recovery to the new size if the set is growing. Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: fix rs_is_recovering() to allow for lvextendHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: fix rebuild and catch bogus sync/resync flagsHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: fix ctr memory leaks on error pathsHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: fix typo in write_mostly flagHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: also reject size change during recoveryHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: fix new superblock/bitmap creation on disk additionHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: add comments and fix typosHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: fix raid10 device size error on out-of-place reshapeHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: prohibit 'nosync' on new raid6 and reject resize during reshapeHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: clarify and fix recoveryHeinz Mauelshagen
Add function rs_setup_recovery() to allow for defined setup of RAID set recovery in the constructor. Will be called with dev_sectors={0, rdev->sectors, MaxSectors} to recover a new or enforced sync, grown or not to be synhronized RAID set respectively. Prevents recovery on raid0, which doesn't support it. Enforces recovery on raid6 to ensure properly defined Syndromes mandatory for that MD personality are being created. Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: fix rs_set_capacity on growing reshapeHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: make rs_set_capacity to work on shrinking reshapeHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: enhance comments in takeover checksHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: remove bogus comment and fix comment typosHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: more restricting data_offset value checksHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: reject too many write_mostly devicesHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: the sync_page_io() metadata_op argument is boolHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: prohibit to pass in both sync and nosync ctr flagsHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18dm raid: avoid superfluous memory barriers on static metadataHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-18wlcore/wl18xx: Add functionality to accept TX rate per linkMaxim Altshul
FW will provide a TX rate per link for each FW status, and wlcore will be able to store the information for the use of the mesh hwmp module. This is used mainly in mesh. Rates are reported when a mesh interface is up. Signed-off-by: Maxim Altshul <maxim.altshul@ti.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-18netfilter: x_tables: speed up jump target validationFlorian Westphal
The dummy ruleset I used to test the original validation change was broken, most rules were unreachable and were not tested by mark_source_chains(). In some cases rulesets that used to load in a few seconds now require several minutes. sample ruleset that shows the behaviour: echo "*filter" for i in $(seq 0 100000);do printf ":chain_%06x - [0:0]\n" $i done for i in $(seq 0 100000);do printf -- "-A INPUT -j chain_%06x\n" $i printf -- "-A INPUT -j chain_%06x\n" $i printf -- "-A INPUT -j chain_%06x\n" $i done echo COMMIT [ pipe result into iptables-restore ] This ruleset will be about 74mbyte in size, with ~500k searches though all 500k[1] rule entries. iptables-restore will take forever (gave up after 10 minutes) Instead of always searching the entire blob for a match, fill an array with the start offsets of every single ipt_entry struct, then do a binary search to check if the jump target is present or not. After this change ruleset restore times get again close to what one gets when reverting 36472341017529e (~3 seconds on my workstation). [1] every user-defined rule gets an implicit RETURN, so we get 300k jumps + 100k userchains + 100k returns -> 500k rule entries Fixes: 36472341017529e ("netfilter: x_tables: validate targets of jumps") Reported-by: Jeff Wu <wujiafu@gmail.com> Tested-by: Jeff Wu <wujiafu@gmail.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-07-18brcmfmac: respect hidden_ssid for AP interfacesRafał Miłecki
This was succesfully tested with 4366B1. A small workaround is needed for the main interface otherwise it would stuck at the hidden state. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-18wlcore/wl18xx: mesh: added initial mesh support for wl8Maital Hahn
1. Added support for interface and role of mesh type. 2. Enabled enable/start of mesh-point role, and opening and closing a connection with a mesh peer. 3. Added multirole combination of mesh and ap under the same limits of dual ap mode. 4. Add support for 'sta_rc_update' opcode for mesh IF. The 'sta_rc_update' opcode is being used in mesh_plink.c. Add support in wlcore to handle this opcode correctly for mesh (as opposed to current implementation that handles STA only). 5. Bumped the firmware version to support new Mesh functionality Signed-off-by: Maital Hahn <maitalm@ti.com> Signed-off-by: Yaniv Machani <yanivma@ti.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-18mwifiex: Reduce endian conversion for REG Host CommandsPrasun Maiti
For multiple REG Host Commands (e.g HostCmd_CMD_802_11_EEPROM_ACCESS, HostCmd_CMD_MAC_REG_ACCESS etc.) "cpu_to_leX"-converted values are saved to driver. So, "leX_to_cpu" conversion is required too many times afterwards in driver. This patch reduces the endian: conversion without saving "cpu_to_leX" converted values in driver. This will convert endianness in prepare command and command response path. Signed-off-by: Prasun Maiti <prasunmaiti87@gmail.com> Acked-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-18i2c: Update the description of I2C_SMBUSJean Delvare
We support the SMBus Host Notify protocol now. Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-07-18i2c: i2c-smbus: fix i2c_handle_smbus_host_notify documentationJean Delvare
The parameter description is from a previous implementation, update it to describe the actual implementation. Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-07-18eeprom: at24: tweak the loop_until_timeout() macroBartosz Golaszewski
loop_until_timeout() replaced a do {} while loop in the at24 driver with a for loop which, under certain circumstances (such as heavy load or low value of the write_timeout argument), can lead to the code in the loop never being executed. Make sure that at least one iteration of the code enclosed within loop_until_timeout() is always executed. Suggested-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-07-18[media] doc-rst: better name the media booksMauro Carvalho Chehab
The titles at the media books were misleading, and some books were not numbered. Rename the kAPI book to better reflect its contents, be more consistent on the initial rst file for each book and better name them. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-18[media] doc-rst: fix media kAPI documentationMauro Carvalho Chehab
I ended by adding twice each media header, because I saw some missing stuff at the documents. It seems it was my mistake, as everything seems to be there. So, remove those extra stuff, to avoid duplicating the documentation of the functions. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-18[media] get rid of Documentation/video4linux/lifeview.txtMauro Carvalho Chehab
Move the contents of this file to bttv.rst and saa7134.rst. With that, we can finally remove Documentation/video4linux. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-18f2fs: avoid memory allocation failure due to a long lengthJaegeuk Kim
We need to avoid ENOMEM due to unexpected long length. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-07-18[media] cx88.rst: add contents of hauppauge-wintv-cx88-ir.txtMauro Carvalho Chehab
Import the contents of hauppauge-wintv-cx88-ir.txt, after converted to ReST into cx88.rst file. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-18[media] cx88.rst: add contents from not-in-cx2388x-datasheet.txtMauro Carvalho Chehab
There are some information about missing/wrong documentation at cx231xx datasheet. Add it to the cx88 chapter. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-18[media] cx2341x.rst: add contents of README.vbiMauro Carvalho Chehab
Finally, adds the content of README.vbi at cx2341x.rst after its conversion to ReST format. Now, add information about this chipset and its driver is inside a single chapter at the media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-18[media] cx2341x: add contents of README.hm12Mauro Carvalho Chehab
The README.hm12 file describes the proprietary format used by this driver for raw format, called HM12. Add its description at the document, after converted to ReST. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-18[media] cx2341x.rst: add contents of fw-osd-api.txtMauro Carvalho Chehab
Convert it to ReST format and add to cx2341x.rst file. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-18drm/i915/kbl: Introduce the first official DMC for Kabylake.Rodrigo Vivi
Version 1.01. This firmware is made for Kabylake platform so it doesn't need the stepping workaround that we had before. v2: Rebased on top of latest nightly with min version required change. v3: With right CSR_VERSION (Patrik). Cc: Christophe Prigent <christophe.prigent@intel.com> Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Reviewed-by: Ben Widawsky <benjamin.widawsky@intel.com> (v1) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Link: http://patchwork.freedesktop.org/patch/msgid/1461707991-15336-1-git-send-email-rodrigo.vivi@intel.com (cherry picked from commit 4922d4919596219864686be1e70dcd92c685ec9f) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2016-07-18[media] cx2341x.rst: add the contents of fw-upload.txtMauro Carvalho Chehab
Add the contents of fw-upload.txt, after converting it to ReST format. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-18[media] cx2341x.rst: add contents of fw-memory.txtMauro Carvalho Chehab
Convert the content to ReST and add it at the cx231xx.rst file. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-18[media] cx2341x.rst: add contents of fw-dma.txtMauro Carvalho Chehab
Add the contents of fw-dma.txt, converted to ReST, and drop the old file. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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