- Jun 23, 2023
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Jan Kara authored
ext4_blkdev_remove() passes a wrong holder pointer to blkdev_put() which triggers a warning there. Fix it. Fixes: 2736e8ee ("block: use the holder as indication for exclusive opens") Signed-off-by:
Jan Kara <jack@suse.cz> Reviewed-by:
Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20230622165107.13687-1-jack@suse.cz Signed-off-by:
Jens Axboe <axboe@kernel.dk>
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- Jun 22, 2023
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Christoph Hellwig authored
When we didn't find a device and didn't guess it might be a partition, it might still show up later, so don't disable rootwait for it by returning -EINVAL. Fixes: 079caa35 ("init: clear root_wait on all invalid root= strings") Reported-by:
Guenter Roeck <linux@roeck-us.net> Signed-off-by:
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Jordy Zomer authored
This patch fixes a spectre-v1 gadget in cdrom. The gadget could be triggered by speculatively bypassing the cdi->capacity check. Signed-off-by:
Jordy Zomer <jordyzomer@google.com> Link: https://lore.kernel.org/all/20230612110040.849318-2-jordyzomer@google.com Reviewed-by:
Phillip Potter <phil@philpotter.co.uk> Link: https://lore.kernel.org/all/ZI1+1OG9Ut1MqsUC@equinox Signed-off-by:
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Bart Van Assche authored
Fix the documentation of the devt_from_partuuid() return value. Fix the following two recently introduced kernel-doc warnings: block/bdev.c:570: warning: Function parameter or member 'hops' not described in 'bd_finish_claiming' block/early-lookup.c:46: warning: Function parameter or member 'devt' not described in 'devt_from_partuuid' Cc: Christoph Hellwig <hch@lst.de> Fixes: 0718afd4 ("block: introduce holder ops") Fixes: cf056a43 ("init: improve the name_to_dev_t interface") Signed-off-by:
Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20230621165054.743815-1-bvanassche@acm.org Signed-off-by:
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- Jun 21, 2023
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Ming Lei authored
In case of real io scheduler, q->elevator is set, so blk_mq_run_hw_queue() may just check if scheduler queue has request to dispatch, see __blk_mq_sched_dispatch_requests(). Then IO hang may be caused because all passthorugh requests may stay in sw queue. And any passthrough request should have been inserted to hctx->dispatch always. Reported-by:
Guangwu Zhang <guazhang@redhat.com> Fixes: d97217e7 ("blk-mq: don't queue plugged passthrough requests into scheduler") Signed-off-by:
Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20230621132208.1142318-1-ming.lei@redhat.com Signed-off-by:
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Ivan Orlov authored
Now that the driver core allows for struct class to be in read-only memory, move the bsg_class structure to be declared at build time placing it into read-only memory, instead of having to be dynamically allocated at boot time. Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Jens Axboe <axboe@kernel.dk> Cc: linux-scsi@vger.kernel.org Cc: linux-block@vger.kernel.org Suggested-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
Ivan Orlov <ivan.orlov0322@gmail.com> Signed-off-by:
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Ivan Orlov authored
Now that the driver core allows for struct class to be in read-only memory, move the ublk_chr_class structure to be declared at build time placing it into read-only memory, instead of having to be dynamically allocated at boot time. Cc: Ming Lei <ming.lei@redhat.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: linux-block@vger.kernel.org Suggested-by:
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Ivan Orlov authored
Now that the driver core allows for struct class to be in read-only memory, move the aoe_class structure to be declared at build time placing it into read-only memory, instead of having to be dynamically allocated at boot time. Cc: Justin Sanders <justin@coraid.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: linux-block@vger.kernel.org Suggested-by:
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Ivan Orlov authored
Now that the driver core allows for struct class to be in read-only memory, making all 'class' structures to be declared at build time placing them into read-only memory, instead of having to be dynamically allocated at load time. Cc: "Md. Haris Iqbal" <haris.iqbal@ionos.com> Cc: Jack Wang <jinpu.wang@ionos.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: linux-block@vger.kernel.org Suggested-by:
Jack Wang <jinpu.wang@ionos.com> Link: https://lore.kernel.org/r/20230620180129.645646-5-gregkh@linuxfoundation.org Signed-off-by:
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Christoph Hellwig authored
FMODE_EXEC has nothing to do with exclusive opens, and even is of the wrong type. We need to check for BLK_OPEN_EXCL here. Fixes: 985958b8 ("block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions()") Reported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
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Michael Schmitz authored
The Amiga partition parser module uses signed int for partition sector address and count, which will overflow for disks larger than 1 TB. Use u64 as type for sector address and size to allow using disks up to 2 TB without LBD support, and disks larger than 2 TB with LBD. The RBD format allows to specify disk sizes up to 2^128 bytes (though native OS limitations reduce this somewhat, to max 2^68 bytes), so check for u64 overflow carefully to protect against overflowing sector_t. Bail out if sector addresses overflow 32 bits on kernels without LBD support. This bug was reported originally in 2012, and the fix was created by the RDB author, Joanne Dow <jdow@earthlink.net>. A patch had been discussed and reviewed on linux-m68k at that time but never officially submitted (now resubmitted as patch 1 in this series). This patch adds additional error checking and warning messages. Reported-by:
Martin Steigerwald <Martin@lichtvoll.de> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=43511 Fixes: 1da177e4 ("Linux-2.6.12-rc2") Message-ID: <201206192146.09327.Martin@lichtvoll.de> Cc: <stable@vger.kernel.org> # 5.2 Signed-off-by:
Michael Schmitz <schmitzmic@gmail.com> Reviewed-by:
Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by:
Christoph Hellwig <hch@infradead.org> Link: https://lore.kernel.org/r/20230620201725.7020-4-schmitzmic@gmail.com Signed-off-by:
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Michael Schmitz authored
The Amiga partition parser module uses signed int for partition sector address and count, which will overflow for disks larger than 1 TB. Use u64 as type for sector address and size to allow using disks up to 2 TB without LBD support, and disks larger than 2 TB with LBD. The RBD format allows to specify disk sizes up to 2^128 bytes (though native OS limitations reduce this somewhat, to max 2^68 bytes), so check for u64 overflow carefully to protect against overflowing sector_t. This bug was reported originally in 2012, and the fix was created by the RDB author, Joanne Dow <jdow@earthlink.net>. A patch had been discussed and reviewed on linux-m68k at that time but never officially submitted (now resubmitted as patch 1 of this series). Patch 3 (this series) adds additional error checking and warning messages. One of the error checks now makes use of the previously unused rdb_CylBlocks field, which causes a 'sparse' warning (cast to restricted __be32). Annotate all 32 bit fields in affs_hardblocks.h as __be32, as the on-disk format of RDB and partition blocks is always big endian. Reported-by:
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Michael Schmitz authored
The Amiga partition parser module uses signed int for partition sector address and count, which will overflow for disks larger than 1 TB. Use sector_t as type for sector address and size to allow using disks up to 2 TB without LBD support, and disks larger than 2 TB with LBD. This bug was reported originally in 2012, and the fix was created by the RDB author, Joanne Dow <jdow@earthlink.net>. A patch had been discussed and reviewed on linux-m68k at that time but never officially submitted. This patch differs from Joanne's patch only in its use of sector_t instead of unsigned int. No checking for overflows is done (see patch 3 of this series for that). Reported-by:
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Min Li authored
In the function bdev_add_partition(),there is no check that the start and end sectors exceed the size of the disk before calling add_partition. When we call the block's ioctl interface directly to add a partition, and the capacity of the disk is set to 0 by driver,the command will continue to execute. Signed-off-by:
Min Li <min15.li@samsung.com> Reviewed-by:
Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20230619091214.31615-1-min15.li@samsung.com Signed-off-by:
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Jingbo Xu authored
Allow of unprivileged Persistent Reservation operations on devices if the write permission check on the device node has passed. brw-rw---- 1 root disk 259, 0 Jun 13 07:09 /dev/nvme0n1 In the example above, the "disk" group of nvme0n1 is also allowed to make reservations on the device even without CAP_SYS_ADMIN. Signed-off-by:
Jingbo Xu <jefflexu@linux.alibaba.com> Reviewed-by:
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Jingbo Xu authored
Refuse Persistent Reservation operations on partitions as reservation on partitions doesn't make sense. Besides, introduce blkdev_pr_allowed() helper, where more policies could be placed here later. Signed-off-by:
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- Jun 20, 2023
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Yu Kuai authored
In journal_init_dev(), if super bdev is used as 'j_dev_bd', then blkdev_get_by_dev() is called with NULL holder, otherwise, holder will be journal. However, later in release_journal_dev(), blkdev_put() is called with journal unconditionally, cause following warning: WARNING: CPU: 1 PID: 5034 at block/bdev.c:617 bd_end_claim block/bdev.c:617 [inline] WARNING: CPU: 1 PID: 5034 at block/bdev.c:617 blkdev_put+0x562/0x8a0 block/bdev.c:901 RIP: 0010:blkdev_put+0x562/0x8a0 block/bdev.c:901 Call Trace: <TASK> release_journal_dev fs/reiserfs/journal.c:2592 [inline] free_journal_ram+0x421/0x5c0 fs/reiserfs/journal.c:1896 do_journal_release fs/reiserfs/journal.c:1960 [inline] journal_release+0x276/0x630 fs/reiserfs/journal.c:1971 reiserfs_put_super+0xe4/0x5c0 fs/reiserfs/super.c:616 generic_shutdown_super+0x158/0x480 fs/super.c:499 kill_block_super+0x64/0xb0 fs/super.c:1422 deactivate_locked_super+0x98/0x160 fs/super.c:330 deactivate_super+0xb1/0xd0 fs/super.c:361 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1247 task_work_run+0x16f/0x270 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xadc/0x2a30 kernel/exit.c:874 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024 __do_sys_exit_group kernel/exit.c:1035 [inline] __se_sys_exit_group kernel/exit.c:1033 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Fix this problem by passing in NULL holder in this case. Reported-by:
<syzbot+04625c80899f4555de39@syzkaller.appspotmail.com> Link: https://syzkaller.appspot.com/bug?extid=04625c80899f4555de39 Fixes: 2736e8ee ("block: use the holder as indication for exclusive opens") Signed-off-by:
Yu Kuai <yukuai3@huawei.com> Reviewed-by:
Christian Brauner <brauner@kernel.org> Reviewed-by:
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Yu Kuai authored
After commit 2736e8ee ("block: use the holder as indication for exclusive opens"), blkdev_get_by_dev() will warn if holder is NULL and mode contains 'FMODE_EXCL'. holder from blkdev_get_by_dev() from disk_scan_partitions() is always NULL, hence it should not use 'FMODE_EXCL', which is broben by the commit. For consequence, WARN_ON_ONCE() will be triggered from blkdev_get_by_dev() if user scan partitions with device opened exclusively. Fix this problem by removing 'FMODE_EXCL' from disk_scan_partitions(), as it used to be. Reported-by:
<syzbot+00cd27751f78817f167b@syzkaller.appspotmail.com> Link: https://syzkaller.appspot.com/bug?extid=00cd27751f78817f167b Fixes: 2736e8ee ("block: use the holder as indication for exclusive opens") Signed-off-by:
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Christoph Hellwig authored
Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
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Demi Marie Obenour authored
Currently, associating a loop device with a different file descriptor does not increment its diskseq. This allows the following race condition: 1. Program X opens a loop device 2. Program X gets the diskseq of the loop device. 3. Program X associates a file with the loop device. 4. Program X passes the loop device major, minor, and diskseq to something. 5. Program X exits. 6. Program Y detaches the file from the loop device. 7. Program Y attaches a different file to the loop device. 8. The opener finally gets around to opening the loop device and checks that the diskseq is what it expects it to be. Even though the diskseq is the expected value, the result is that the opener is accessing the wrong file. From discussions with Christoph Hellwig, it appears that disk_force_media_change() was supposed to call inc_diskseq(), but in fact it does not. Adding a Fixes: tag to indicate this. Christoph's Reported-by is because he stated that disk_force_media_change() calls inc_diskseq(), which is what led me to discover that it should but does not. Reported-by:
Demi Marie Obenour <demi@invisiblethingslab.com> Fixes: e6138dc1 ("block: add a helper to raise a media changed event") Cc: stable@vger.kernel.org # 5.15+ Reviewed-by:
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Christoph Hellwig authored
Fix a missing conversion to the new BLK_OPEN constant in swim. Fixes: 05bdb996 ("block: replace fmode_t with a block-specific type for block open flags") Reported-by:
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- Jun 17, 2023
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Ming Lei authored
After grabbing q->sysfs_lock, q->elevator may become NULL because of elevator switch. Fix the NULL dereference on q->elevator by checking it with lock. Reported-by:
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Christoph Hellwig authored
Now that the direct I/O helpers have switched to use iov_iter_extract_pages, these helpers are unused. Signed-off-by:
David Howells <dhowells@redhat.com> Link: https://lore.kernel.org/r/20230614140341.521331-5-hch@lst.de Signed-off-by:
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Christoph Hellwig authored
Now that all block direct I/O helpers use page pinning, this flag is unused. Signed-off-by:
Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by:
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Christoph Hellwig authored
Check for -EFAULT instead of wrapping the check in an ret < 0 block. Signed-off-by:
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Christoph Hellwig authored
copy_splice_read calls into ->read_iter to read the data, which already calls file_accessed. Fixes: 33b3b041 ("splice: Add a func to do a splice from an O_DIRECT file without ITER_PIPE") Signed-off-by:
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- Jun 16, 2023
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git://git.infradead.org/nvmeJens Axboe authored
Pull NVMe updates from Keith: "nvme updates for Linux 6.5 - Various cleanups all around (Irvin, Chaitanya, Christophe) - Better struct packing (Christophe JAILLET) - Reduce controller error logs for optional commands (Keith) - Support for >=64KiB block sizes (Daniel Gomez) - Fabrics fixes and code organization (Max, Chaitanya, Daniel Wagner)" * tag 'nvme-6.5-2023-06-16' of git://git.infradead.org/nvme: (27 commits) nvme: forward port sysfs delete fix nvme: skip optional id ctrl csi if it failed nvme-core: use nvme_ns_head_multipath instead of ns->head->disk nvmet-fcloop: Do not wait on completion when unregister fails nvme-fabrics: open code __nvmf_host_find() nvme-fabrics: error out to unlock the mutex nvme: Increase block size variable size to 32-bit nvme-fcloop: no need to return from void function nvmet-auth: remove unnecessary break after goto nvmet-auth: remove some dead code nvme-core: remove redundant check from nvme_init_ns_head nvme: move sysfs code to a dedicated sysfs.c file nvme-fabrics: prevent overriding of existing host nvme-fabrics: check hostid using uuid_equal nvme-fabrics: unify common code in admin and io queue connect nvmet: reorder fields in 'struct nvmefc_fcp_req' nvmet: reorder fields in 'struct nvme_dhchap_queue_context' nvmet: reorder fields in 'struct nvmf_ctrl_options' nvme: reorder fields in 'struct nvme_ctrl' nvmet: reorder fields in 'struct nvmet_sq' ...
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Keith Busch authored
We had a late fix that modified nvme_sysfs_delete() after the staging branch for the next merge window relocated the function to a new file. Port commit 2eb94dd5 ("nvme: do not let the user delete a ctrl before a complete") to the latest to avoid a potentially confusing merge conflict. Cc: Maurizio Lombardi <mlombard@redhat.com> Cc: Max Gurtovoy <mgurtovoy@nvidia.com> Reviewed-by:
Keith Busch <kbusch@kernel.org>
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- Jun 15, 2023
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Mingzhe Zou authored
We get a kernel crash about "list_add corruption. next->prev should be prev (ffff9c801bc01210), but was ffff9c77b688237c. (next=ffffae586d8afe68)." crash> struct list_head 0xffff9c801bc01210 struct list_head { next = 0xffffae586d8afe68, prev = 0xffffae586d8afe68 } crash> struct list_head 0xffff9c77b688237c struct list_head { next = 0x0, prev = 0x0 } crash> struct list_head 0xffffae586d8afe68 struct list_head struct: invalid kernel virtual address: ffffae586d8afe68 type: "gdb_readmem_callback" Cannot access memory at address 0xffffae586d8afe68 [230469.019492] Call Trace: [230469.032041] prepare_to_wait+0x8a/0xb0 [230469.044363] ? bch_btree_keys_free+0x6c/0xc0 [escache] [230469.056533] mca_cannibalize_lock+0x72/0x90 [escache] [230469.068788] mca_alloc+0x2ae/0x450 [escache] [230469.080790] bch_btree_node_get+0x136/0x2d0 [escache] [230469.092681] bch_btree_check_thread+0x1e1/0x260 [escache] [230469.104382] ? finish_wait+0x80/0x80 [230469.115884] ? bch_btree_check_recurse+0x1a0/0x1a0 [escache] [230469.127259] kthread+0x112/0x130 [230469.138448] ? kthread_flush_work_fn+0x10/0x10 [230469.149477] ret_from_fork+0x35/0x40 bch_btree_check_thread() and bch_dirty_init_thread() may call mca_cannibalize() to cannibalize other cached btree nodes. Only one thread can do it at a time, so the op of other threads will be added to the btree_cache_wait list. We must call finish_wait() to remove op from btree_cache_wait before free it's memory address. Otherwise, the list will be damaged. Also should call bch_cannibalize_unlock() to release the btree_cache_alloc_lock and wake_up other waiters. Fixes: 8e710227 ("bcache: make bch_btree_check() to be multithreaded") Fixes: b144e45f ("bcache: make bch_sectors_dirty_init() to be multithreaded") Cc: stable@vger.kernel.org Signed-off-by:Mingzhe Zou <mingzhe.zou@easystack.cn> Signed-off-by:
Coly Li <colyli@suse.de> Link: https://lore.kernel.org/r/20230615121223.22502-7-colyli@suse.de Signed-off-by:
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Zheng Wang authored
In some specific situations, the return value of __bch_btree_node_alloc may be NULL. This may lead to a potential NULL pointer dereference in caller function like a calling chain : btree_split->bch_btree_node_alloc->__bch_btree_node_alloc. Fix it by initializing the return value in __bch_btree_node_alloc. Fixes: cafe5635 ("bcache: A block layer cache") Cc: stable@vger.kernel.org Signed-off-by:
Zheng Wang <zyytlz.wz@163.com> Signed-off-by:
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Zheng Wang authored
Due to the previous fix of __bch_btree_node_alloc, the return value will never be a NULL pointer. So IS_ERR is enough to handle the failure situation. Fix it by replacing IS_ERR_OR_NULL check by an IS_ERR check. Fixes: cafe5635 ("bcache: A block layer cache") Cc: stable@vger.kernel.org Signed-off-by:
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Andrea Tomassetti authored
The cache_readaheads stat counter is not used anymore and should be removed. Signed-off-by:
Andrea Tomassetti <andrea.tomassetti-opensource@devo.com> Signed-off-by:
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Thomas Weißschuh authored
Since commit ee6d3dd4 ("driver core: make kobj_type constant.") the driver core allows the usage of const struct kobj_type. Take advantage of this to constify the structure definitions to prevent modification at runtime. Signed-off-by:
Thomas Weißschuh <linux@weissschuh.net> Signed-off-by:
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ye xingchen authored
Follow the advice of the Documentation/filesystems/sysfs.rst and show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Signed-off-by:
ye xingchen <ye.xingchen@zte.com.cn> Signed-off-by:
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Yu Kuai authored
Commit 99d055b4 ("block: remove per-disk debugfs files in blk_unregister_queue") moves blk_trace_shutdown() from blk_release_queue() to blk_unregister_queue(), this is safe if blktrace is created through sysfs, however, there is a regression in corner case. blktrace can still be enabled after del_gendisk() through ioctl if the disk is opened before del_gendisk(), and if blktrace is not shutdown through ioctl before closing the disk, debugfs entries will be leaked. Fix this problem by shutdown blktrace in disk_release(), this is safe because blk_trace_remove() is reentrant. Fixes: 99d055b4 ("block: remove per-disk debugfs files in blk_unregister_queue") Signed-off-by:
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Yu Kuai authored
sg_ioctl() support to enable blktrace, which will create debugfs entries "/sys/kernel/debug/block/sgx/", however, there is no guarantee that user will remove these entries through ioctl, and deleting sg device doesn't cleanup these blktrace entries. This problem can be fixed by cleanup blktrace while releasing request_queue, however, it's not a good idea to do this special handling in common layer just for sg device. Fix this problem by shutdown bltkrace in sg_device_destroy(), where the device is deleted and all the users close the device, also grab a scsi_device reference from sg_add_device() to prevent scsi_device to be freed before sg_device_destroy(); Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20230610022003.2557284-3-yukuai1@huaweicloud.com Signed-off-by:
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Yu Kuai authored
If config is disabled, call blk_trace_remove() directly will trigger build warning, hence use inline function instead, prepare to fix blktrace debugfs entries leakage. Signed-off-by:
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Pankaj Raghav authored
The body of the loop is run without RCU lock held. Use the regular cond_resched() instead of cond_resched_rcu(). Fixes: 786bb024 ("brd: use XArray instead of radix-tree to index backing pages") Suggested-by:
Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by:
Pankaj Raghav <p.raghav@samsung.com> Reviewed-by:
Hannes Reinecke <hare@suse.de> Link: https://lore.kernel.org/r/20230614133538.1279369-1-p.raghav@samsung.com Signed-off-by:
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Ed Tsai authored
commit f168420c ("blk-mq: don't redirect completion for hctx withs only one ctx mapping") When nvme applies a 1:1 mapping of hctx and ctx, there will be no remote request. But for ufs, the submission and completion queues could be asymmetric. (e.g. Multiple SQs share one CQ) Therefore, 1:1 mapping of hctx and ctx won't complete request on the submission cpu. In this situation, this nr_ctx check could violate the QUEUE_FLAG_SAME_FORCE, as a result, check on cpu id when there is only one ctx mapping. Signed-off-by:
Ed Tsai <ed.tsai@mediatek.com> Signed-off-by:
Po-Wen Kao <powen.kao@mediatek.com> Suggested-by:
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- Jun 14, 2023
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Jens Axboe authored
Merge tag 'md-next-20230613' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-6.5/block Pull MD updates from Song: "The major changes are: 1. Protect md_thread with rcu, by Yu Kuai; 2. Various non-urgent raid5 and raid1/10 fixes, by Yu Kuai; 3. Non-urgent raid10 fixes, by Li Nan." * tag 'md-next-20230613' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md: (29 commits) md/raid1-10: limit the number of plugged bio md/raid1-10: don't handle pluged bio by daemon thread md/md-bitmap: add a new helper to unplug bitmap asynchrously md/raid1-10: submit write io directly if bitmap is not enabled md/raid1-10: factor out a helper to submit normal write md/raid1-10: factor out a helper to add bio to plug md/raid10: prevent soft lockup while flush writes md/raid10: fix io loss while replacement replace rdev md/raid10: Do not add spare disk when recovery fails md/raid10: clean up md_add_new_disk() md/raid10: prioritize adding disk to 'removed' mirror md/raid10: improve code of mrdev in raid10_sync_request md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request md/raid5: don't start reshape when recovery or replace is in progress md: protect md_thread with rcu md/bitmap: factor out a helper to set timeout md/bitmap: always wake up md_thread in timeout_store dm-raid: remove useless checking in raid_message() md: factor out a helper to wake up md_thread directly md: fix duplicate filename for rdev ...
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