aboutsummaryrefslogtreecommitdiffstats
AgeCommit message (Collapse)AuthorFilesLines
2017-06-09blk-mq: switch ->queue_rq return value to blk_status_tChristoph Hellwig18-142/+131
Use the same values for use for request completion errors as the return value from ->queue_rq. BLK_STS_RESOURCE is special cased to cause a requeue, and all the others are completed as-is. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09block: introduce new block status code typeChristoph Hellwig76-428/+474
Currently we use nornal Linux errno values in the block layer, and while we accept any error a few have overloaded magic meanings. This patch instead introduces a new blk_status_t value that holds block layer specific status codes and explicitly explains their meaning. Helpers to convert from and to the previous special meanings are provided for now, but I suspect we want to get rid of them in the long run - those drivers that have a errno input (e.g. networking) usually get errnos that don't know about the special block layer overloads, and similarly returning them to userspace will usually return somethings that strictly speaking isn't correct for file system operations, but that's left as an exercise for later. For now the set of errors is a very limited set that closely corresponds to the previous overloaded errno values, but there is some low hanging fruite to improve it. blk_status_t (ab)uses the sparse __bitwise annotations to allow for sparse typechecking, so that we can easily catch places passing the wrong values. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09dm: change ->end_io calling conventionChristoph Hellwig10-50/+51
Turn the error paramter into a pointer so that target drivers can change the value, and make sure only DM_ENDIO_* values are returned from the methods. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09dm: don't return errnos from ->mapChristoph Hellwig11-33/+46
Instead use the special DM_MAPIO_KILL return value to return -EIO just like we do for the request based path. Note that dm-log-writes returned -ENOMEM in a few places, which now becomes -EIO instead. No consumer treats -ENOMEM special so this shouldn't be an issue (and it should use a mempool to start with to make guaranteed progress). Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09dm mpath: merge do_end_io_bio into multipath_end_io_bioChristoph Hellwig1-27/+15
This simplifies the code and especially the error passing a bit and will help with the next patch. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09block_dev: propagate bio_iov_iter_get_pages error in __blkdev_direct_IOChristoph Hellwig1-3/+4
Once we move the block layer to its own status code we'll still want to propagate the bio_iov_iter_get_pages, so restructure __blkdev_direct_IO to take ret into account when returning the errno. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09fs: simplify dio_bio_completeChristoph Hellwig1-4/+2
Only read bio->bi_error once in the common path. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09fs: remove the unused error argument to dio_end_io()Christoph Hellwig3-6/+5
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09dm: fix REQ_RAHEAD handlingChristoph Hellwig2-3/+3
A few (but not all) dm targets use a special EWOULDBLOCK error code for failing REQ_RAHEAD requests that fail due to a lack of available resources. But no one else knows about this magic code, and lower level drivers also don't generate it when failing read-ahead requests for similar reasons. So remove this special casing and ignore all additional error handling for REQ_RAHEAD - if this was a real underlying error we'd get a normal read once the real read comes in. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09gfs2: remove the unused sd_log_error fieldChristoph Hellwig2-4/+1
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09scsi/osd: don't save block errors into req_resultsChristoph Hellwig1-1/+1
We will only have sense data if the command executed and got a SCSI result, so this is pointless. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09nvme-lightnvm: use blk_execute_rq in nvme_nvm_submit_user_cmdChristoph Hellwig1-11/+1
Instead of reinventing it poorly. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Reviewed-by: Javier González <javier@cnexlabs.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09nbd: set sk->sk_sndtimeo for our socketsJosef Bacik1-0/+2
If the nbd server stops receiving packets altogether we will get stuck waiting for them to receive indefinitely as the tcp buffer will never empty, which looks like a deadlock. Fix this by setting the sk send timeout to our configured timeout, that way if the server really misbehaves we'll disconnect cleanly instead of waiting forever. Reported-by: Dan Melnic <dmm@fb.com> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-09loop: fix error handling regressionArnd Bergmann1-1/+2
gcc points out an unusual indentation: drivers/block/loop.c: In function 'loop_set_status': drivers/block/loop.c:1149:3: error: this 'if' clause does not guard... [-Werror=misleading-indentation] if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit, ^~ drivers/block/loop.c:1152:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' goto exit; This was introduced by a new feature that accidentally moved the opening braces from one condition to another. Adding a second pair of braces makes it work correctly again and also more readable. Fixes: f2c6df7dbf9a ("loop: support 4k physical blocksize") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-08loop: support 4k physical blocksizeHannes Reinecke3-6/+41
When generating bootable VM images certain systems (most notably s390x) require devices with 4k blocksize. This patch implements a new flag 'LO_FLAGS_BLOCKSIZE' which will set the physical blocksize to that of the underlying device, and allow to change the logical blocksize for up to the physical blocksize. Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-08loop: Remove unused 'bdev' argument from loop_set_capacityHannes Reinecke1-2/+2
Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-01nfsd: Check queue type before submitting a SCSI requestBart Van Assche1-0/+3
Since using scsi_req() is only allowed against request queues for which struct scsi_request is the first member of their private request data, refuse to submit SCSI commands against a queue for which this is not the case. References: commit 82ed4db499b8 ("block: split scsi_request out of struct request") Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: J. Bruce Fields <bfields@redhat.com> Cc: Jeff Layton <jlayton@poochiereds.net> Cc: Omar Sandoval <osandov@fb.com> Cc: linux-nfs@vger.kernel.org Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-01cdrom: Check SCSI passthrough support before reading audioBart Van Assche1-0/+6
The CDROMREADAUDIO ioctl uses SCSI passthrough when the .disk pointer has been set in struct cdrom_device_info. Hence check whether SCSI passthrough is supported before submitting a SCSI command. Note: both the ide-cd and sr drivers set the disk pointer in struct cdrom_device_info but neither the pcd nor the gdrom driver sets that pointer. References: commit 82ed4db499b8 ("block: split scsi_request out of struct request") Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Omar Sandoval <osandov@fb.com> Cc: linux-block@vger.kernel.org Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-01pktcdvd: Check queue type before attaching to a queueBart Van Assche1-0/+5
Since the pktcdvd driver only supports request queues for which struct scsi_request is the first member of their private request data, refuse to register block layer queues for which struct scsi_request is not the first member of the private data. References: commit 82ed4db499b8 ("block: split scsi_request out of struct request") Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-01bsg: Check queue type before attaching to a queueBart Van Assche1-0/+6
Since BSG only supports request queues for which struct scsi_request is the first member of their private request data, refuse to register block layer queues for which struct scsi_request is not the first member of their private data. References: commit bd1599d931ca ("scsi_transport_sas: fix BSG ioctl memory corruption") References: commit 82ed4db499b8 ("block: split scsi_request out of struct request") Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-01block: Introduce queue flag QUEUE_FLAG_SCSI_PASSTHROUGHBart Van Assche6-0/+9
From the context where a SCSI command is submitted it is not always possible to figure out whether or not the queue the command is submitted to has struct scsi_request as the first member of its private data. Hence introduce the flag QUEUE_FLAG_SCSI_PASSTHROUGH. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Cc: Omar Sandoval <osandov@fb.com> Cc: Don Brace <don.brace@microsemi.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-01blk-mq-debugfs: Add 'kick' operationBart Van Assche1-1/+3
Running a queue causes the block layer to examine the per-CPU and hw queues but not the requeue list. Hence add a 'kick' operation that also examines the requeue list. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Eduardo Valentin <eduval@amazon.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Cc: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-01blk-mq-debugfs: Show busy requestsBart Van Assche1-0/+31
Requests that got stuck in a block driver are neither on blk_mq_ctx.rq_list nor on any hw dispatch queue. Make these visible in debugfs through the "busy" attribute. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Eduardo Valentin <eduval@amazon.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Cc: Omar Sandoval <osandov@fb.com> Cc: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-01blk-mq-debugfs: Show requeue listBart Van Assche1-0/+32
When verifying whether or not a blk-mq driver forgot to kick the requeue list after having requeued a request it is important to be able to verify the contents of the requeue list. Hence export that list through debugfs. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Eduardo Valentin <eduval@amazon.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-06-01blk-mq-debugfs: Show atomic request flagsBart Van Assche1-0/+10
When analyzing e.g. queue lockups it is important to know whether or not a request has already been started. Hence also show the atomic request flags. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Eduardo Valentin <eduval@amazon.com> Cc: Omar Sandoval <osandov@fb.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-30cfq-iosched: Delete unused function min_vdisktime()Matthias Kaehlcke1-9/+0
This fixes the following warning when building with clang: block/cfq-iosched.c:970:19: error: unused function 'min_vdisktime' [-Werror,-Wunused-function] Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-30nbd: add FUA op supportShaun McDowell2-3/+17
NBD userland client and server have FUA (forced unit access) support and flags defined. Make NBD kernel module recognize NBD_FLAG_SEND_FUA, enable FUA on the queue, and forward FUA requests to the server. Signed-off-by: Shaun McDowell <shaunjmcdowell@gmail.com> Reviewed-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-26blk-mq: make per-sw-queue bio merge as default .bio_mergeMing Lei3-72/+58
Because what the per-sw-queue bio merge does is basically same with scheduler's .bio_merge(), this patch makes per-sw-queue bio merge as the default .bio_merge if no scheduler is used or io scheduler doesn't provide .bio_merge(). Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-26blk-mq: merge bio into sw queue before pluggingMing Lei1-22/+26
Before blk-mq is introduced, I/O is merged to elevator before being putted into plug queue, but blk-mq changed the order and makes merging to sw queue basically impossible. Then it is observed that throughput of sequential I/O is degraded about 10%~20% on virtio-blk in the test[1] if mq-deadline isn't used. This patch moves the bio merging per sw queue before plugging, like what blk_queue_bio() does, and the performance regression is fixed under this situation. [1]. test script: sudo fio --direct=1 --size=128G --bsrange=4k-4k --runtime=40 --numjobs=16 --ioengine=libaio --iodepth=64 --group_reporting=1 --filename=/dev/vdb --name=virtio_blk-test-$RW --rw=$RW --output-format=json RW=read or write Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-26Merge tag 'xfs-4.12-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds6-74/+66
Pull XFS fixes from Darrick Wong: "A few miscellaneous bug fixes & cleanups: - Fix indlen block reservation accounting bug when splitting delalloc extent - Fix warnings about unused variables that appeared in -rc1. - Don't spew errors when bmapping a local format directory - Fix an off-by-one error in a delalloc eof assertion - Make fsmap only return inode information for CAP_SYS_ADMIN - Fix a potential mount time deadlock recovering cow extents - Fix unaligned memory access in _btree_visit_blocks - Fix various SEEK_HOLE/SEEK_DATA bugs" * tag 'xfs-4.12-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: Move handling of missing page into one place in xfs_find_get_desired_pgoff() xfs: Fix off-by-in in loop termination in xfs_find_get_desired_pgoff() xfs: Fix missed holes in SEEK_HOLE implementation xfs: fix off-by-one on max nr_pages in xfs_find_get_desired_pgoff() xfs: fix unaligned access in xfs_btree_visit_blocks xfs: avoid mount-time deadlock in CoW extent recovery xfs: only return detailed fsmap info if the caller has CAP_SYS_ADMIN xfs: bad assertion for delalloc an extent that start at i_size xfs: fix warnings about unused stack variables xfs: BMAPX shouldn't barf on inline-format directories xfs: fix indlen accounting error on partial delalloc conversion
2017-05-26Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds12-210/+247
Pull block fixes from Jens Axboe: "A collection of fixes that should go into this series. This contains: - A set of NVMe fixes, pulled from Christoph. This includes a set of fixes for the fiber channel bits from James Smart, rdma queue depth fix from Marta, controller removal fixes from Ming, and some more APST quirk updates from Andy. - A blk-mq debugfs fix from Bart, fixing a problem with the untangling of the sysfs and debugfs blk-mq bits that was added in this series. - Error code fix in add_partition() from Dan. - A small series of fixes for the new blk-throttle code from Shaohua" * 'for-linus' of git://git.kernel.dk/linux-block: (21 commits) blk-mq: Only register debugfs attributes for blk-mq queues nvme: Quirk APST on Intel 600P/P3100 devices nvme: only setup block integrity if supported by the driver nvme: replace is_flags field in nvme_ctrl_ops with a flags field nvme-pci: consistencly use ctrl->device for logging partitions/msdos: FreeBSD UFS2 file systems are not recognized block: fix an error code in add_partition() blk-throttle: force user to configure all settings for io.low blk-throttle: respect 0 bps/iops settings for io.low blk-throttle: output some debug info in trace blk-throttle: add hierarchy support for latency target and idle time nvme_fc: remove extra controller reference taken on reconnect nvme_fc: correct nvme status set on abort nvme_fc: set logging level on resets/deletes nvme_fc: revise comment on teardown nvme_fc: Support ctrl_loss_tmo nvme_fc: get rid of local reconnect_delay blk-mq: remove blk_mq_abort_requeue_list() nvme: avoid to use blk_mq_abort_requeue_list() nvme: use blk_mq_start_hw_queues() in nvme_kill_queues() ...
2017-05-26Merge tag 'pci-v4.12-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pciLinus Torvalds5-14/+44
Pull PCI fixes from Bjorn Helgaas: - fix PCI_ENDPOINT build error (merged for v4.12) - fix Switchtec driver (merged for v4.12) - fix imx6 config read timeouts, fallout from changing to non-postable reads - add PM "needs_resume" flag for i915 suspend issue * tag 'pci-v4.12-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI/PM: Add needs_resume flag to avoid suspend complete optimization PCI: imx6: Fix config read timeout handling switchtec: Fix minor bug with partition ID register switchtec: Use new cdev_device_add() helper function PCI: endpoint: Make PCI_ENDPOINT depend on HAS_DMA
2017-05-26Merge tag 'ceph-for-4.12-rc3' of git://github.com/ceph/ceph-clientLinus Torvalds7-35/+34
Pul ceph fixes from Ilya Dryomov: "A bunch of make W=1 and static checker fixups, a RECONNECT_SEQ messenger patch from Zheng and Luis' fallocate fix" * tag 'ceph-for-4.12-rc3' of git://github.com/ceph/ceph-client: ceph: check that the new inode size is within limits in ceph_fallocate() libceph: cleanup old messages according to reconnect seq libceph: NULL deref on crush_decode() error path libceph: fix error handling in process_one_ticket() libceph: validate blob_struct_v in process_one_ticket() libceph: drop version variable from ceph_monmap_decode() libceph: make ceph_msg_data_advance() return void libceph: use kbasename() and kill ceph_file_part()
2017-05-26Merge tag 'mmc-v4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmcLinus Torvalds5-45/+79
Pull MMC fixes from Ulf Hansson: "This contains fixes to make the WiFi work again for the ARM64 Hikey board. Together with a couple of DTS updates for the Hikey board we have also extended the mmc pwrseq_simple, to support a new power-off-delay-us DT property, as that was required to enable a graceful power off sequence for the WiFi chip" * tag 'mmc-v4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: arm64: dts: hikey: Fix WiFi support arm64: dts: hi6220: Move board data from the dwmmc nodes to hikey dts arm64: dts: hikey: Add the SYS_5V and the VDD_3V3 regulators arm64: dts: hi6220: Move the fixed_5v_hub regulator to the hikey dts arm64: dts: hikey: Add clock for the pmic mfd mfd: dts: hi655x: Add clock binding for the pmic mmc: pwrseq_simple: Parse DTS for the power-off-delay-us property mmc: dt: pwrseq-simple: Invent power-off-delay-us
2017-05-26Merge tag 'sound-4.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds4-50/+75
Pull sound fixes from Takashi Iwai: "This contains a few HD-audio device-specific quirks and an endianess fix for USB-audio, as well as the update of quirk model list document. All fixes are small and trivial. The document update could have been postponed, but it's a good thing for user and has absolutely zero risk of breakage, so included here" * tag 'sound-4.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - apply STAC_9200_DELL_M22 quirk for Dell Latitude D430 ALSA: hda - Update the list of quirk models ALSA: hda - Provide dual-codecs model option for a few Realtek codecs ALSA: hda - Apply dual-codec quirk for MSI Z270-Gaming mobo ALSA: hda - No loopback on ALC299 codec ALSA: usb-audio: fix Amanero Combo384 quirk on big-endian hosts
2017-05-26Merge tag 'drm-fixes-for-v4.12-rc3' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds19-80/+102
Pull drm fixes from Dave Airlie: "Not a whole lot happening here, a set of amdgpu fixes and one core deadlock fix, and some misc drivers fixes" * tag 'drm-fixes-for-v4.12-rc3' of git://people.freedesktop.org/~airlied/linux: drm/amdgpu: fix null point error when rmmod amdgpu. drm/amd/powerplay: fix a signedness bugs drm/amdgpu: fix NULL pointer panic of emit_gds_switch drm/radeon: Unbreak HPD handling for r600+ drm/amd/powerplay/smu7: disable mclk switching for high refresh rates drm/amd/powerplay/smu7: add vblank check for mclk switching (v2) drm/radeon/ci: disable mclk switching for high refresh rates (v2) drm/amdgpu/ci: disable mclk switching for high refresh rates (v2) drm/amdgpu: fix fundamental suspend/resume issue drm/gma500/psb: Actually use VBT mode when it is found drm: Fix deadlock retry loop in page_flip_ioctl drm: qxl: Delay entering atomic context during cursor update drm/radeon: Fix oops upon driver load on PowerXpress laptops
2017-05-26PCI/msi: fix the pci_alloc_irq_vectors_affinity stubChristoph Hellwig1-3/+3
We need to return an error for any call that asks for MSI / MSI-X vectors only, so that non-trivial fallback logic can work properly. Also valid dev->irq and use the "correct" errno value based on feedback from Linus. Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Steven Rostedt <rostedt@goodmis.org> Fixes: aff17164 ("PCI: Provide sensible IRQ vector alloc/free routines") Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-26Merge branch 'nvme-4.12' of git://git.infradead.org/nvme into for-linusJens Axboe8-143/+130
Christoph writes: "A couple of fixes for the next rc on the nvme front. Various FC fixes from James, controller removal fixes from Ming (including a block layer patch), a APST related device quirk from Andy, a RDMA fix for small queue depth device from Marta, as well as fixes for the lack of metadata support in non-PCIe drivers and the printk logging format from me."
2017-05-26blk-mq: Only register debugfs attributes for blk-mq queuesBart Van Assche1-3/+3
The code in blk-mq-debugfs.c assumes that it is working on a blk-mq queue and is not intended to work on a blk-sq queue. Hence only register blk-mq debugfs attributes for blk-mq queues. Fixes: commit 9c1051aacde8 ("blk-mq: untangle debugfs and sysfs") Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Ming Lei <ming.lei@redhat.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-26nvme: Quirk APST on Intel 600P/P3100 devicesAndy Lutomirski1-0/+2
They have known firmware bugs. A fix is apparently in the works -- once fixed firmware is available, someone from Intel (Hi, Keith!) can adjust the quirk accordingly. Cc: stable@vger.kernel.org # v4.11 Cc: Kai-Heng Feng <kai.heng.feng@canonical.com> Cc: Mario Limonciello <mario_limonciello@dell.com> Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-05-26nvme: only setup block integrity if supported by the driverChristoph Hellwig3-19/+33
Currently only the PCIe driver supports metadata, so we should not claim integrity support for the other drivers. This prevents nasty crashes with targets that advertise metadata support on fabrics. Also use the opportunity to factor out some code into a separate helper that isn't even compiled if CONFIG_BLK_DEV_INTEGRITY is disabled. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <keith.busch@intel.com>
2017-05-26nvme: replace is_flags field in nvme_ctrl_ops with a flags fieldChristoph Hellwig5-5/+6
So that we can have more flags for transport-specific behavior. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <keith.busch@intel.com>
2017-05-26nvme-pci: consistencly use ctrl->device for loggingChristoph Hellwig1-6/+6
This is what most of the code already does and gives much more useful prefixes than the device embedded in the pci_dev. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <keith.busch@intel.com>
2017-05-26Merge branch 'drm-fixes-4.12' of git://people.freedesktop.org/~agd5f/linux into drm-fixesDave Airlie15-68/+85
A bunch of bug fixes: - Fix display flickering on some chips at high refresh rates - suspend/resume fix - hotplug fix - a couple of segfault fixes for certain cases * 'drm-fixes-4.12' of git://people.freedesktop.org/~agd5f/linux: drm/amdgpu: fix null point error when rmmod amdgpu. drm/amd/powerplay: fix a signedness bugs drm/amdgpu: fix NULL pointer panic of emit_gds_switch drm/radeon: Unbreak HPD handling for r600+ drm/amd/powerplay/smu7: disable mclk switching for high refresh rates drm/amd/powerplay/smu7: add vblank check for mclk switching (v2) drm/radeon/ci: disable mclk switching for high refresh rates (v2) drm/amdgpu/ci: disable mclk switching for high refresh rates (v2) drm/amdgpu: fix fundamental suspend/resume issue
2017-05-26Merge tag 'drm-misc-fixes-2017-05-25' of git://anongit.freedesktop.org/git/drm-misc into drm-fixesDave Airlie4-12/+17
Core Changes: - Don't drop vblank reference more than once in cases of ww retry (Daniel) Driver Changes: - radeon: Fix oops during radeon probe trying to reference wrong device (Lukas) - qxl: Avoid sleeping while in atomic context on cursor update (Gabriel) - gma500: Use VBT mode instead of pre-programmed mode for LVDS (Patrik) Cc: Lukas Wunner <lukas@wunner.de> Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> * tag 'drm-misc-fixes-2017-05-25' of git://anongit.freedesktop.org/git/drm-misc: drm/gma500/psb: Actually use VBT mode when it is found drm: Fix deadlock retry loop in page_flip_ioctl drm: qxl: Delay entering atomic context during cursor update drm/radeon: Fix oops upon driver load on PowerXpress laptops
2017-05-25drm/amdgpu: fix null point error when rmmod amdgpu.Rex Zhu1-1/+6
this bug happened when amdgpu load failed. [ 75.740951] BUG: unable to handle kernel paging request at 00000000000031c0 [ 75.748167] IP: [<ffffffffa064a0e0>] amdgpu_fbdev_restore_mode+0x20/0x60 [amdgpu] [ 75.755774] PGD 0 [ 75.759185] Oops: 0000 [#1] SMP [ 75.762408] Modules linked in: amdgpu(OE-) ttm(OE) drm_kms_helper(OE) drm(OE) i2c_algo_bit(E) fb_sys_fops(E) syscopyarea(E) sysfillrect(E) sysimgblt(E) rpcsec_gss_krb5(E) nfsv4(E) nfs(E) fscache(E) eeepc_wmi(E) asus_wmi(E) sparse_keymap(E) intel_rapl(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) snd_hda_intel(E) snd_hda_codec(E) snd_hda_core(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) snd_hwdep(E) snd_pcm(E) snd_seq_midi(E) coretemp(E) kvm_intel(E) snd_seq_midi_event(E) snd_rawmidi(E) kvm(E) snd_seq(E) joydev(E) snd_seq_device(E) snd_timer(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) mei_me(E) ghash_clmulni_intel(E) snd(E) aesni_intel(E) mei(E) soundcore(E) aes_x86_64(E) shpchp(E) serio_raw(E) lrw(E) acpi_pad(E) gf128mul(E) glue_helper(E) ablk_helper(E) mac_hid(E) [ 75.835574] cryptd(E) parport_pc(E) ppdev(E) lp(E) nfsd(E) parport(E) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E) sunrpc(E) autofs4(E) hid_generic(E) usbhid(E) mxm_wmi(E) psmouse(E) e1000e(E) ptp(E) pps_core(E) ahci(E) libahci(E) wmi(E) video(E) i2c_hid(E) hid(E) [ 75.858489] CPU: 5 PID: 1603 Comm: rmmod Tainted: G OE 4.9.0-custom #2 [ 75.866183] Hardware name: System manufacturer System Product Name/Z170-A, BIOS 0901 08/31/2015 [ 75.875050] task: ffff88045d1bbb80 task.stack: ffffc90002de4000 [ 75.881094] RIP: 0010:[<ffffffffa064a0e0>] [<ffffffffa064a0e0>] amdgpu_fbdev_restore_mode+0x20/0x60 [amdgpu] [ 75.891238] RSP: 0018:ffffc90002de7d48 EFLAGS: 00010286 [ 75.896648] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 75.903933] RDX: 0000000000000000 RSI: ffff88045d1bbb80 RDI: 0000000000000286 [ 75.911183] RBP: ffffc90002de7d50 R08: 0000000000000502 R09: 0000000000000004 [ 75.918449] R10: 0000000000000000 R11: 0000000000000001 R12: ffff880464bf0000 [ 75.925675] R13: ffffffffa0853000 R14: 0000000000000000 R15: 0000564e44f88210 [ 75.932980] FS: 00007f13d5400700(0000) GS:ffff880476540000(0000) knlGS:0000000000000000 [ 75.941238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.947088] CR2: 00000000000031c0 CR3: 000000045fd0b000 CR4: 00000000003406e0 [ 75.954332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.961566] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.968834] Stack: [ 75.970881] ffff880464bf0000 ffffc90002de7d60 ffffffffa0636592 ffffc90002de7d80 [ 75.978454] ffffffffa059015f ffff880464bf0000 ffff880464bf0000 ffffc90002de7da8 [ 75.986076] ffffffffa0595216 ffff880464bf0000 ffff880460f4d000 ffffffffa0853000 [ 75.993692] Call Trace: [ 75.996177] [<ffffffffa0636592>] amdgpu_driver_lastclose_kms+0x12/0x20 [amdgpu] [ 76.003700] [<ffffffffa059015f>] drm_lastclose+0x2f/0xd0 [drm] [ 76.009777] [<ffffffffa0595216>] drm_dev_unregister+0x16/0xd0 [drm] [ 76.016255] [<ffffffffa0595944>] drm_put_dev+0x34/0x70 [drm] [ 76.022139] [<ffffffffa062f365>] amdgpu_pci_remove+0x15/0x20 [amdgpu] [ 76.028800] [<ffffffff81416499>] pci_device_remove+0x39/0xc0 [ 76.034661] [<ffffffff81531caa>] __device_release_driver+0x9a/0x140 [ 76.041121] [<ffffffff81531e58>] driver_detach+0xb8/0xc0 [ 76.046575] [<ffffffff81530c95>] bus_remove_driver+0x55/0xd0 [ 76.052401] [<ffffffff815325fc>] driver_unregister+0x2c/0x50 [ 76.058244] [<ffffffff81416289>] pci_unregister_driver+0x29/0x90 [ 76.064466] [<ffffffffa0596c5e>] drm_pci_exit+0x9e/0xb0 [drm] [ 76.070507] [<ffffffffa0796d71>] amdgpu_exit+0x1c/0x32 [amdgpu] [ 76.076609] [<ffffffff81104810>] SyS_delete_module+0x1a0/0x200 [ 76.082627] [<ffffffff810e2b1a>] ? rcu_eqs_enter.isra.36+0x4a/0x50 [ 76.089001] [<ffffffff8100392e>] do_syscall_64+0x6e/0x180 [ 76.094583] [<ffffffff817e1d2f>] entry_SYSCALL64_slow_path+0x25/0x25 [ 76.101114] Code: 94 c0 c3 31 c0 5d c3 0f 1f 40 00 0f 1f 44 00 00 55 31 c0 48 89 e5 53 48 89 fb 48 c7 c7 1d 21 84 a0 e8 ab 77 b3 e0 e8 fc 8b d7 e0 <48> 8b bb c0 31 00 00 48 85 ff 74 09 e8 ff eb fc ff 85 c0 75 03 [ 76.121432] RIP [<ffffffffa064a0e0>] amdgpu_fbdev_restore_mode+0x20/0x60 [amdgpu] Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-25xfs: Move handling of missing page into one place in xfs_find_get_desired_pgoff()Jan Kara1-30/+8
Currently several places in xfs_find_get_desired_pgoff() handle the case of a missing page. Make them all handled in one place after the loop has terminated. Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-05-25xfs: Fix off-by-in in loop termination in xfs_find_get_desired_pgoff()Jan Kara1-1/+1
There is an off-by-one error in loop termination conditions in xfs_find_get_desired_pgoff() since 'end' may index a page beyond end of desired range if 'endoff' is page aligned. It doesn't have any visible effects but still it is good to fix it. Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-05-25xfs: Fix missed holes in SEEK_HOLE implementationJan Kara1-20/+9
XFS SEEK_HOLE implementation could miss a hole in an unwritten extent as can be seen by the following command: xfs_io -c "falloc 0 256k" -c "pwrite 0 56k" -c "pwrite 128k 8k" -c "seek -h 0" file wrote 57344/57344 bytes at offset 0 56 KiB, 14 ops; 0.0000 sec (49.312 MiB/sec and 12623.9856 ops/sec) wrote 8192/8192 bytes at offset 131072 8 KiB, 2 ops; 0.0000 sec (70.383 MiB/sec and 18018.0180 ops/sec) Whence Result HOLE 139264 Where we can see that hole at offset 56k was just ignored by SEEK_HOLE implementation. The bug is in xfs_find_get_desired_pgoff() which does not properly detect the case when pages are not contiguous. Fix the problem by properly detecting when found page has larger offset than expected. CC: stable@vger.kernel.org Fixes: d126d43f631f996daeee5006714fed914be32368 Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-05-25xfs: fix off-by-one on max nr_pages in xfs_find_get_desired_pgoff()Eryu Guan1-1/+1
xfs_find_get_desired_pgoff() is used to search for offset of hole or data in page range [index, end] (both inclusive), and the max number of pages to search should be at least one, if end == index. Otherwise the only page is missed and no hole or data is found, which is not correct. When block size is smaller than page size, this can be demonstrated by preallocating a file with size smaller than page size and writing data to the last block. E.g. run this xfs_io command on a 1k block size XFS on x86_64 host. # xfs_io -fc "falloc 0 3k" -c "pwrite 2k 1k" \ -c "seek -d 0" /mnt/xfs/testfile wrote 1024/1024 bytes at offset 2048 1 KiB, 1 ops; 0.0000 sec (33.675 MiB/sec and 34482.7586 ops/sec) Whence Result DATA EOF Data at offset 2k was missed, and lseek(2) returned ENXIO. This is uncovered by generic/285 subtest 07 and 08 on ppc64 host, where pagesize is 64k. Because a recent change to generic/285 reduced the preallocated file size to smaller than 64k. Cc: stable@vger.kernel.org # v3.7+ Signed-off-by: Eryu Guan <eguan@redhat.com> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.