- 13 May, 2021 2 commits
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git://git.infradead.org/nvmeJens Axboe authored
Pull NVMe fixes from Christoph: "nvme fix for Linux 5.13 - correct the check for using the inline bio in nvmet (Chaitanya Kulkarni) - demote unsupported command warnings (Chaitanya Kulkarni) - fix corruption due to double initializing ANA state (me, Hou Pu) - reset ns->file when open fails (Daniel Wagner) - fix a NULL deref when SEND is completed with error in nvmet-rdma (Michal Kalderon)" * tag 'nvme-5.13-2021-05-13' of git://git.infradead.org/nvme: nvmet: use new ana_log_size instead the old one nvmet: seset ns->file when open fails nvmet: demote fabrics cmd parse err msg to debug nvmet: use helper to remove the duplicate code nvmet: demote discovery cmd parse err msg to debug nvmet-rdma: Fix NULL deref when SEND is completed with error nvmet: fix inline bio check for passthru nvmet: fix inline bio check for bdev-ns nvme-multipath: fix double initialization of ANA state
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Hou Pu authored
The new ana_log_size should be used instead of the old one. Or kernel NULL pointer dereference will happen like below: [ 38.957849][ T69] BUG: kernel NULL pointer dereference, address: 000000000000003c [ 38.975550][ T69] #PF: supervisor write access in kernel mode [ 38.975955][ T69] #PF: error_code(0x0002) - not-present page [ 38.976905][ T69] PGD 0 P4D 0 [ 38.979388][ T69] Oops: 0002 [#1] SMP NOPTI [ 38.980488][ T69] CPU: 0 PID: 69 Comm: kworker/0:2 Not tainted 5.12.0+ #54 [ 38.981254][ T69] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 38.982502][ T69] Workqueue: events nvme_loop_execute_work [ 38.985219][ T69] RIP: 0010:memcpy_orig+0x68/0x10f [ 38.986203][ T69] Code: 83 c2 20 eb 44 48 01 d6 48 01 d7 48 83 ea 20 0f 1f 00 48 83 ea 20 4c 8b 46 f8 4c 8b 4e f0 4c 8b 56 e8 4c 8b 5e e0 48 8d 76 e0 <4c> 89 47 f8 4c 89 4f f0 4c 89 57 e8 4c 89 5f e0 48 8d 7f e0 73 d2 [ 38.987677][ T69] RSP: 0018:ffffc900001b7d48 EFLAGS: 00000287 [ 38.987996][ T69] RAX: 0000000000000020 RBX: 0000000000000024 RCX: 0000000000000010 [ 38.988327][ T69] RDX: ffffffffffffffe4 RSI: ffff8881084bc004 RDI: 0000000000000044 [ 38.988620][ T69] RBP: 0000000000000024 R08: 0000000100000000 R09: 0000000000000000 [ 38.988991][ T69] R10: 0000000100000000 R11: 0000000000000001 R12: 0000000000000024 [ 38.989289][ T69] R13: ffff8881084bc000 R14: 0000000000000000 R15: 0000000000000024 [ 38.989845][ T69] FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 38.990234][ T69] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.990490][ T69] CR2: 000000000000003c CR3: 00000001085b2000 CR4: 00000000000006f0 [ 38.991105][ T69] Call Trace: [ 38.994157][ T69] sg_copy_buffer+0xb8/0xf0 [ 38.995357][ T69] nvmet_copy_to_sgl+0x48/0x6d [ 38.995565][ T69] nvmet_execute_get_log_page_ana+0xd4/0x1cb [ 38.995792][ T69] nvmet_execute_get_log_page+0xc9/0x146 [ 38.995992][ T69] nvme_loop_execute_work+0x3e/0x44 [ 38.996181][ T69] process_one_work+0x1c3/0x3c0 [ 38.996393][ T69] worker_thread+0x44/0x3d0 [ 38.996600][ T69] ? cancel_delayed_work+0x90/0x90 [ 38.996804][ T69] kthread+0xf7/0x130 [ 38.996961][ T69] ? kthread_create_worker_on_cpu+0x70/0x70 [ 38.997171][ T69] ret_from_fork+0x22/0x30 [ 38.997705][ T69] Modules linked in: [ 38.998741][ T69] CR2: 000000000000003c [ 39.000104][ T69] ---[ end trace e719927b609d0fa0 ]--- Fixes: 5e1f6899 ("nvme-multipath: fix double initialization of ANA state") Signed-off-by:
Hou Pu <houpu.main@gmail.com> Signed-off-by:
Christoph Hellwig <hch@lst.de>
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- 12 May, 2021 6 commits
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Daniel Wagner authored
Reset the ns->file value to NULL also in the error case in nvmet_file_ns_enable(). The ns->file variable points either to file object or contains the error code after the filp_open() call. This can lead to following problem: When the user first setups an invalid file backend and tries to enable the ns, it will fail. Then the user switches over to a bdev backend and enables successfully the ns. The first received I/O will crash the system because the IO backend is chosen based on the ns->file value: static u16 nvmet_parse_io_cmd(struct nvmet_req *req) { [...] if (req->ns->file) return nvmet_file_parse_io_cmd(req); return nvmet_bdev_parse_io_cmd(req); } Reported-by:Enzo Matsumiya <ematsumiya@suse.com> Signed-off-by:
Daniel Wagner <dwagner@suse.de> Signed-off-by:
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Sun Ke authored
Replace the following two statements by the statement “goto put_nbd;” nbd_put(nbd); return 0; Signed-off-by:
Sun Ke <sunke32@huawei.com> Suggested-by:
Markus Elfring <Markus.Elfring@web.de> Reviewed-by:
Josef Bacik <josef@toxicpanda.com> Link: https://lore.kernel.org/r/20210512114331.1233964-3-sunke32@huawei.comSigned-off-by:
Jens Axboe <axboe@kernel.dk>
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Sun Ke authored
Open /dev/nbdX first, the config_refs will be 1 and the pointers in nbd_device are still null. Disconnect /dev/nbdX, then reference a null recv_workq. The protection by config_refs in nbd_genl_disconnect is useless. [ 656.366194] BUG: kernel NULL pointer dereference, address: 0000000000000020 [ 656.368943] #PF: supervisor write access in kernel mode [ 656.369844] #PF: error_code(0x0002) - not-present page [ 656.370717] PGD 10cc87067 P4D 10cc87067 PUD 1074b4067 PMD 0 [ 656.371693] Oops: 0002 [#1] SMP [ 656.372242] CPU: 5 PID: 7977 Comm: nbd-client Not tainted 5.11.0-rc5-00040-g76c057c8 #1 [ 656.373661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014 [ 656.375904] RIP: 0010:mutex_lock+0x29/0x60 [ 656.376627] Code: 00 0f 1f 44 00 00 55 48 89 fd 48 83 05 6f d7 fe 08 01 e8 7a c3 ff ff 48 83 05 6a d7 fe 08 01 31 c0 65 48 8b 14 25 00 6d 01 00 <f0> 48 0f b1 55 d [ 656.378934] RSP: 0018:ffffc900005eb9b0 EFLAGS: 00010246 [ 656.379350] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 656.379915] RDX: ffff888104cf2600 RSI: ffffffffaae8f452 RDI: 0000000000000020 [ 656.380473] RBP: 0000000000000020 R08: 0000000000000000 R09: ffff88813bd6b318 [ 656.381039] R10: 00000000000000c7 R11: fefefefefefefeff R12: ffff888102710b40 [ 656.381599] R13: ffffc900005eb9e0 R14: ffffffffb2930680 R15: ffff88810770ef00 [ 656.382166] FS: 00007fdf117ebb40(0000) GS:ffff88813bd40000(0000) knlGS:0000000000000000 [ 656.382806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 656.383261] CR2: 0000000000000020 CR3: 0000000100c84000 CR4: 00000000000006e0 [ 656.383819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 656.384370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 656.384927] Call Trace: [ 656.385111] flush_workqueue+0x92/0x6c0 [ 656.385395] nbd_disconnect_and_put+0x81/0xd0 [ 656.385716] nbd_genl_disconnect+0x125/0x2a0 [ 656.386034] genl_family_rcv_msg_doit.isra.0+0x102/0x1b0 [ 656.386422] genl_rcv_msg+0xfc/0x2b0 [ 656.386685] ? nbd_ioctl+0x490/0x490 [ 656.386954] ? genl_family_rcv_msg_doit.isra.0+0x1b0/0x1b0 [ 656.387354] netlink_rcv_skb+0x62/0x180 [ 656.387638] genl_rcv+0x34/0x60 [ 656.387874] netlink_unicast+0x26d/0x590 [ 656.388162] netlink_sendmsg+0x398/0x6c0 [ 656.388451] ? netlink_rcv_skb+0x180/0x180 [ 656.388750] ____sys_sendmsg+0x1da/0x320 [ 656.389038] ? ____sys_recvmsg+0x130/0x220 [ 656.389334] ___sys_sendmsg+0x8e/0xf0 [ 656.389605] ? ___sys_recvmsg+0xa2/0xf0 [ 656.389889] ? handle_mm_fault+0x1671/0x21d0 [ 656.390201] __sys_sendmsg+0x6d/0xe0 [ 656.390464] __x64_sys_sendmsg+0x23/0x30 [ 656.390751] do_syscall_64+0x45/0x70 [ 656.391017] entry_SYSCALL_64_after_hwframe+0x44/0xa9 To fix it, just add if (nbd->recv_workq) to nbd_disconnect_and_put(). Fixes: e9e006f5 ("nbd: fix max number of supported devs") Signed-off-by:
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Lin Feng authored
Last users of blk_account_rq gone with patch commit a1ce35fa ("block: remove dead elevator code") and now it gets no caller, it can be safely removed. Signed-off-by:
Lin Feng <linf@wangsu.com> Link: https://lore.kernel.org/r/20210512100124.173769-1-linf@wangsu.comSigned-off-by:
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Paolo Valente authored
BFQ may merge a new bfq_queue, stably, with the last bfq_queue created. In particular, BFQ first waits a little bit for some I/O to flow inside the new queue, say Q2, if this is needed to understand whether it is better or worse to merge Q2 with the last queue created, say Q1. This delayed stable merge is performed by assigning bic->stable_merge_bfqq = Q1, for the bic associated with Q1. Yet, while waiting for some I/O to flow in Q2, a non-stable queue merge of Q2 with Q1 may happen, causing the bic previously associated with Q2 to be associated with exactly Q1 (bic->bfqq = Q1). After that, Q2 and Q1 may happen to be split, and, in the split, Q1 may happen to be recycled as a non-shared bfq_queue. In that case, Q1 may then happen to undergo a stable merge with the bfq_queue pointed by bic->stable_merge_bfqq. Yet bic->stable_merge_bfqq still points to Q1. So Q1 would be merged with itself. This commit fixes this error by intercepting this situation, and canceling the schedule of the stable merge. Fixes: 430a67f9 ("block, bfq: merge bursts of newly-created queues") Signed-off-by:
Pietro Pedroni <pedroni.pietro.96@gmail.com> Signed-off-by:
Paolo Valente <paolo.valente@linaro.org> Link: https://lore.kernel.org/r/20210512094352.85545-2-paolo.valente@linaro.orgSigned-off-by:
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Tejun Heo authored
When the weight of an active iocg is updated, weight_updated() is called which in turn calls __propagate_weights() to update the active and inuse weights so that the effective hierarchical weights are update accordingly. The current implementation is incorrect for inner active nodes. For an active leaf iocg, inuse can be any value between 1 and active and the difference represents how much the iocg is donating. When weight is updated, as long as inuse is clamped between 1 and the new weight, we're alright and this is what __propagate_weights() currently implements. However, that's not how an active inner node's inuse is set. An inner node's inuse is solely determined by the ratio between the sums of inuse's and active's of its children - ie. they're results of propagating the leaves' active and inuse weights upwards. __propagate_weights() incorrectly applies the same clamping as for a leaf when an active inner node's weight is updated. Consider a hierarchy which looks like the following with saturating workloads in AA and BB. R / \ A B | | AA BB 1. For both A and B, active=100, inuse=100, hwa=0.5, hwi=0.5. 2. echo 200 > A/io.weight 3. __propagate_weights() update A's active to 200 and leave inuse at 100 as it's already between 1 and the new active, making A:active=200, A:inuse=100. As R's active_sum is updated along with A's active, A:hwa=2/3, B:hwa=1/3. However, because the inuses didn't change, the hwi's remain unchanged at 0.5. 4. The weight of A is now twice that of B but AA and BB still have the same hwi of 0.5 and thus are doing the same amount of IOs. Fix it by making __propgate_weights() always calculate the inuse of an active inner iocg based on the ratio of child_inuse_sum to child_active_sum. Signed-off-by:Tejun Heo <tj@kernel.org> Reported-by:
Dan Schatzberg <dschatzberg@fb.com> Fixes: 7caa4715 ("blkcg: implement blk-iocost") Cc: stable@vger.kernel.org # v5.4+ Link: https://lore.kernel.org/r/YJsxnLZV1MnBcqjj@slm.duckdns.orgSigned-off-by:
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- 11 May, 2021 8 commits
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Chaitanya Kulkarni authored
Host can send invalid commands and flood the target with error messages. Demote the error message from pr_err() to pr_debug() in nvmet_parse_fabrics_cmd() and nvmet_parse_connect_cmd(). Signed-off-by:
Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by:
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Chaitanya Kulkarni authored
Use the helper nvmet_report_invalid_opcode() to report invalid opcode so we can remove the duplicate code. Signed-off-by:
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Chaitanya Kulkarni authored
Host can send invalid commands and flood the target with error messages for the discovery controller. Demote the error message from pr_err() to pr_debug( in nvmet_parse_discovery_cmd(). Signed-off-by:
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Michal Kalderon authored
When running some traffic and taking down the link on peer, a retry counter exceeded error is received. This leads to nvmet_rdma_error_comp which tried accessing the cq_context to obtain the queue. The cq_context is no longer valid after the fix to use shared CQ mechanism and should be obtained similar to how it is obtained in other functions from the wc->qp. [ 905.786331] nvmet_rdma: SEND for CQE 0x00000000e3337f90 failed with status transport retry counter exceeded (12). [ 905.832048] BUG: unable to handle kernel NULL pointer dereference at 0000000000000048 [ 905.839919] PGD 0 P4D 0 [ 905.842464] Oops: 0000 1 SMP NOPTI [ 905.846144] CPU: 13 PID: 1557 Comm: kworker/13:1H Kdump: loaded Tainted: G OE --------- - - 4.18.0-304.el8.x86_64 #1 [ 905.872135] RIP: 0010:nvmet_rdma_error_comp+0x5/0x1b [nvmet_rdma] [ 905.878259] Code: 19 4f c0 e8 89 b3 a5 f6 e9 5b e0 ff ff 0f b7 75 14 4c 89 ea 48 c7 c7 08 1a 4f c0 e8 71 b3 a5 f6 e9 4b e0 ff ff 0f 1f 44 00 00 <48> 8b 47 48 48 85 c0 74 08 48 89 c7 e9 98 bf 49 00 e9 c3 e3 ff ff [ 905.897135] RSP: 0018:ffffab601c45fe28 EFLAGS: 00010246 [ 905.902387] RAX: 0000000000000065 RBX: ffff9e729ea2f800 RCX: 0000000000000000 [ 905.909558] RDX: 0000000000000000 RSI: ffff9e72df9567c8 RDI: 0000000000000000 [ 905.916731] RBP: ffff9e729ea2b400 R08: 000000000000074d R09: 0000000000000074 [ 905.923903] R10: 0000000000000000 R11: ffffab601c45fcc0 R12: 0000000000000010 [ 905.931074] R13: 0000000000000000 R14: 0000000000000010 R15: ffff9e729ea2f400 [ 905.938247] FS: 0000000000000000(0000) GS:ffff9e72df940000(0000) knlGS:0000000000000000 [ 905.938249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 905.950067] nvmet_rdma: SEND for CQE 0x00000000c7356cca failed with status transport retry counter exceeded (12). [ 905.961855] CR2: 0000000000000048 CR3: 000000678d010004 CR4: 00000000007706e0 [ 905.961855] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 905.961856] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 905.961857] PKRU: 55555554 [ 906.010315] Call Trace: [ 906.012778] __ib_process_cq+0x89/0x170 [ib_core] [ 906.017509] ib_cq_poll_work+0x26/0x80 [ib_core] [ 906.022152] process_one_work+0x1a7/0x360 [ 906.026182] ? create_worker+0x1a0/0x1a0 [ 906.030123] worker_thread+0x30/0x390 [ 906.033802] ? create_worker+0x1a0/0x1a0 [ 906.037744] kthread+0x116/0x130 [ 906.040988] ? kthread_flush_work_fn+0x10/0x10 [ 906.045456] ret_from_fork+0x1f/0x40 Fixes: ca0f1a80 ("nvmet-rdma: use new shared CQ mechanism") Signed-off-by:
Shai Malin <smalin@marvell.com> Signed-off-by:
Michal Kalderon <michal.kalderon@marvell.com> Reviewed-by:
Sagi Grimberg <sagi@grimberg.me> Signed-off-by:
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Chaitanya Kulkarni authored
When handling passthru commands, for inline bio allocation we only consider the transfer size. This works well when req->sg_cnt fits into the req->inline_bvec, but it will result in the early return from bio_add_hw_page() when req->sg_cnt > NVMET_MAX_INLINE_BVEC. Consider an I/O of size 32768 and first buffer is not aligned to the page boundary, then I/O is split in following manner :- [ 2206.256140] nvmet: sg->length 3440 sg->offset 656 [ 2206.256144] nvmet: sg->length 4096 sg->offset 0 [ 2206.256148] nvmet: sg->length 4096 sg->offset 0 [ 2206.256152] nvmet: sg->length 4096 sg->offset 0 [ 2206.256155] nvmet: sg->length 4096 sg->offset 0 [ 2206.256159] nvmet: sg->length 4096 sg->offset 0 [ 2206.256163] nvmet: sg->length 4096 sg->offset 0 [ 2206.256166] nvmet: sg->length 4096 sg->offset 0 [ 2206.256170] nvmet: sg->length 656 sg->offset 0 Now the req->transfer_size == NVMET_MAX_INLINE_DATA_LEN i.e. 32768, but the req->sg_cnt is (9) > NVMET_MAX_INLINE_BIOVEC which is (8). This will result in early return in the following code path :- nvmet_bdev_execute_rw() bio_add_pc_page() bio_add_hw_page() if (bio_full(bio, len)) return 0; Use previously introduced helper nvmet_use_inline_bvec() to consider req->sg_cnt when using inline bio. This only affects nvme-loop transport. Fixes: dab3902b ("nvmet: use inline bio for passthru fast path") Signed-off-by:
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Chaitanya Kulkarni authored
When handling rw commands, for inline bio case we only consider transfer size. This works well when req->sg_cnt fits into the req->inline_bvec, but it will result in the warning in __bio_add_page() when req->sg_cnt > NVMET_MAX_INLINE_BVEC. Consider an I/O size 32768 and first page is not aligned to the page boundary, then I/O is split in following manner :- [ 2206.256140] nvmet: sg->length 3440 sg->offset 656 [ 2206.256144] nvmet: sg->length 4096 sg->offset 0 [ 2206.256148] nvmet: sg->length 4096 sg->offset 0 [ 2206.256152] nvmet: sg->length 4096 sg->offset 0 [ 2206.256155] nvmet: sg->length 4096 sg->offset 0 [ 2206.256159] nvmet: sg->length 4096 sg->offset 0 [ 2206.256163] nvmet: sg->length 4096 sg->offset 0 [ 2206.256166] nvmet: sg->length 4096 sg->offset 0 [ 2206.256170] nvmet: sg->length 656 sg->offset 0 Now the req->transfer_size == NVMET_MAX_INLINE_DATA_LEN i.e. 32768, but the req->sg_cnt is (9) > NVMET_MAX_INLINE_BIOVEC which is (8). This will result in the following warning message :- nvmet_bdev_execute_rw() bio_add_page() __bio_add_page() WARN_ON_ONCE(bio_full(bio, len)); This scenario is very hard to reproduce on the nvme-loop transport only with rw commands issued with the passthru IOCTL interface from the host application and the data buffer is allocated with the malloc() and not the posix_memalign(). Fixes: 73383adf ("nvmet: don't split large I/Os unconditionally") Signed-off-by:
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Christoph Hellwig authored
nvme_init_identify and thus nvme_mpath_init can be called multiple times and thus must not overwrite potentially initialized or in-use fields. Split out a helper for the basic initialization when the controller is initialized and make sure the init_identify path does not blindly change in-use data structures. Fixes: 0d0b660f ("nvme: add ANA support") Reported-by:
Martin Wilck <mwilck@suse.com> Signed-off-by:
Keith Busch <kbusch@kernel.org> Reviewed-by:
Hannes Reinecke <hare@suse.de>
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Omar Sandoval authored
__blk_mq_sched_bio_merge() gets the ctx and hctx for the current CPU and passes the hctx to ->bio_merge(). kyber_bio_merge() then gets the ctx for the current CPU again and uses that to get the corresponding Kyber context in the passed hctx. However, the thread may be preempted between the two calls to blk_mq_get_ctx(), and the ctx returned the second time may no longer correspond to the passed hctx. This "works" accidentally most of the time, but it can cause us to read garbage if the second ctx came from an hctx with more ctx's than the first one (i.e., if ctx->index_hw[hctx->type] > hctx->nr_ctx). This manifested as this UBSAN array index out of bounds error reported by Jakub: UBSAN: array-index-out-of-bounds in ../kernel/locking/qspinlock.c:130:9 index 13106 is out of range for type 'long unsigned int [128]' Call Trace: dump_stack+0xa4/0xe5 ubsan_epilogue+0x5/0x40 __ubsan_handle_out_of_bounds.cold.13+0x2a/0x34 queued_spin_lock_slowpath+0x476/0x480 do_raw_spin_lock+0x1c2/0x1d0 kyber_bio_merge+0x112/0x180 blk_mq_submit_bio+0x1f5/0x1100 submit_bio_noacct+0x7b0/0x870 submit_bio+0xc2/0x3a0 btrfs_map_bio+0x4f0/0x9d0 btrfs_submit_data_bio+0x24e/0x310 submit_one_bio+0x7f/0xb0 submit_extent_page+0xc4/0x440 __extent_writepage_io+0x2b8/0x5e0 __extent_writepage+0x28d/0x6e0 extent_write_cache_pages+0x4d7/0x7a0 extent_writepages+0xa2/0x110 do_writepages+0x8f/0x180 __writeback_single_inode+0x99/0x7f0 writeback_sb_inodes+0x34e/0x790 __writeback_inodes_wb+0x9e/0x120 wb_writeback+0x4d2/0x660 wb_workfn+0x64d/0xa10 process_one_work+0x53a/0xa80 worker_thread+0x69/0x5b0 kthread+0x20b/0x240 ret_from_fork+0x1f/0x30 Only Kyber uses the hctx, so fix it by passing the request_queue to ->bio_merge() instead. BFQ and mq-deadline just use that, and Kyber can map the queues itself to avoid the mismatch. Fixes: a6088845 ("block: kyber: make kyber more friendly with merging") Reported-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
Omar Sandoval <osandov@fb.com> Link: https://lore.kernel.org/r/c7598605401a48d5cfeadebb678abd10af22b83f.1620691329.git.osandov@fb.comSigned-off-by:
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- 10 May, 2021 1 commit
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Damien Le Moal authored
Fix the comment mentioning ioctl command range used for zoned block devices to reflect the range of commands actually implemented. Signed-off-by:
Damien Le Moal <damien.lemoal@wdc.com> Link: https://lore.kernel.org/r/20210509234806.3000-1-damien.lemoal@wdc.comSigned-off-by:
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- 09 May, 2021 1 commit
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Jens Axboe authored
This reverts commit cd2c7545. Alex reports that the commit causes corruption with LUKS on ext4. Revert it for now so that this can be investigated properly. Link: https://lore.kernel.org/linux-block/1620493841.bxdq8r5haw.none@localhost/Reported-by:
Alex Xu (Hello71) <alex_y_xu@yahoo.ca> Signed-off-by:
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- 06 May, 2021 1 commit
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yangerkun authored
We get a bug: BUG: KASAN: slab-out-of-bounds in iov_iter_revert+0x11c/0x404 lib/iov_iter.c:1139 Read of size 8 at addr ffff0000d3fb11f8 by task CPU: 0 PID: 12582 Comm: syz-executor.2 Not tainted 5.10.0-00843-g352c8610ccd2 #2 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x0/0x2d0 arch/arm64/kernel/stacktrace.c:132 show_stack+0x28/0x34 arch/arm64/kernel/stacktrace.c:196 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x110/0x164 lib/dump_stack.c:118 print_address_description+0x78/0x5c8 mm/kasan/report.c:385 __kasan_report mm/kasan/report.c:545 [inline] kasan_report+0x148/0x1e4 mm/kasan/report.c:562 check_memory_region_inline mm/kasan/generic.c:183 [inline] __asan_load8+0xb4/0xbc mm/kasan/generic.c:252 iov_iter_revert+0x11c/0x404 lib/iov_iter.c:1139 io_read fs/io_uring.c:3421 [inline] io_issue_sqe+0x2344/0x2d64 fs/io_uring.c:5943 __io_queue_sqe+0x19c/0x520 fs/io_uring.c:6260 io_queue_sqe+0x2a4/0x590 fs/io_uring.c:6326 io_submit_sqe fs/io_uring.c:6395 [inline] io_submit_sqes+0x4c0/0xa04 fs/io_uring.c:6624 __do_sys_io_uring_enter fs/io_uring.c:9013 [inline] __se_sys_io_uring_enter fs/io_uring.c:8960 [inline] __arm64_sys_io_uring_enter+0x190/0x708 fs/io_uring.c:8960 __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline] invoke_syscall arch/arm64/kernel/syscall.c:48 [inline] el0_svc_common arch/arm64/kernel/syscall.c:158 [inline] do_el0_svc+0x120/0x290 arch/arm64/kernel/syscall.c:227 el0_svc+0x1c/0x28 arch/arm64/kernel/entry-common.c:367 el0_sync_handler+0x98/0x170 arch/arm64/kernel/entry-common.c:383 el0_sync+0x140/0x180 arch/arm64/kernel/entry.S:670 Allocated by task 12570: stack_trace_save+0x80/0xb8 kernel/stacktrace.c:121 kasan_save_stack mm/kasan/common.c:48 [inline] kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc+0xdc/0x120 mm/kasan/common.c:461 kasan_kmalloc+0xc/0x14 mm/kasan/common.c:475 __kmalloc+0x23c/0x334 mm/slub.c:3970 kmalloc include/linux/slab.h:557 [inline] __io_alloc_async_data+0x68/0x9c fs/io_uring.c:3210 io_setup_async_rw fs/io_uring.c:3229 [inline] io_read fs/io_uring.c:3436 [inline] io_issue_sqe+0x2954/0x2d64 fs/io_uring.c:5943 __io_queue_sqe+0x19c/0x520 fs/io_uring.c:6260 io_queue_sqe+0x2a4/0x590 fs/io_uring.c:6326 io_submit_sqe fs/io_uring.c:6395 [inline] io_submit_sqes+0x4c0/0xa04 fs/io_uring.c:6624 __do_sys_io_uring_enter fs/io_uring.c:9013 [inline] __se_sys_io_uring_enter fs/io_uring.c:8960 [inline] __arm64_sys_io_uring_enter+0x190/0x708 fs/io_uring.c:8960 __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline] invoke_syscall arch/arm64/kernel/syscall.c:48 [inline] el0_svc_common arch/arm64/kernel/syscall.c:158 [inline] do_el0_svc+0x120/0x290 arch/arm64/kernel/syscall.c:227 el0_svc+0x1c/0x28 arch/arm64/kernel/entry-common.c:367 el0_sync_handler+0x98/0x170 arch/arm64/kernel/entry-common.c:383 el0_sync+0x140/0x180 arch/arm64/kernel/entry.S:670 Freed by task 12570: stack_trace_save+0x80/0xb8 kernel/stacktrace.c:121 kasan_save_stack mm/kasan/common.c:48 [inline] kasan_set_track+0x38/0x6c mm/kasan/common.c:56 kasan_set_free_info+0x20/0x40 mm/kasan/generic.c:355 __kasan_slab_free+0x124/0x150 mm/kasan/common.c:422 kasan_slab_free+0x10/0x1c mm/kasan/common.c:431 slab_free_hook mm/slub.c:1544 [inline] slab_free_freelist_hook mm/slub.c:1577 [inline] slab_free mm/slub.c:3142 [inline] kfree+0x104/0x38c mm/slub.c:4124 io_dismantle_req fs/io_uring.c:1855 [inline] __io_free_req+0x70/0x254 fs/io_uring.c:1867 io_put_req_find_next fs/io_uring.c:2173 [inline] __io_queue_sqe+0x1fc/0x520 fs/io_uring.c:6279 __io_req_task_submit+0x154/0x21c fs/io_uring.c:2051 io_req_task_submit+0x2c/0x44 fs/io_uring.c:2063 task_work_run+0xdc/0x128 kernel/task_work.c:151 get_signal+0x6f8/0x980 kernel/signal.c:2562 do_signal+0x108/0x3a4 arch/arm64/kernel/signal.c:658 do_notify_resume+0xbc/0x25c arch/arm64/kernel/signal.c:722 work_pending+0xc/0x180 blkdev_read_iter can truncate iov_iter's count since the count + pos may exceed the size of the blkdev. This will confuse io_read that we have consume the iovec. And once we do the iov_iter_revert in io_read, we will trigger the slab-out-of-bounds. Fix it by reexpand the count with size has been truncated. blkdev_write_iter can trigger the problem too. Signed-off-by:
yangerkun <yangerkun@huawei.com> Acked-by:
Pavel Begunkov <asml.silencec@gmail.com> Link: https://lore.kernel.org/r/20210401071807.3328235-1-yangerkun@huawei.comSigned-off-by:
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- 05 May, 2021 1 commit
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git://git.infradead.org/nvmeJens Axboe authored
Pull NVMe fixes from Christoph: "nvme updates for Linux 5.13 - reset the bdev to ns head when failover (Daniel Wagner) - remove unsupported command noise (Keith Busch) - misc passthrough improvements (Kanchan Joshi) - fix controller ioctl through ns_head (Minwoo Im) - fix controller timeouts during reset (Tao Chiu)" * tag 'nvme-5.13-2021-05-05' of git://git.infradead.org/nvme: nvmet: remove unsupported command noise nvme-multipath: reset bdev to ns head when failover nvme-pci: fix controller reset hang when racing with nvme_timeout nvme: move the fabrics queue ready check routines to core nvme: avoid memset for passthrough requests nvme: add nvme_get_ns helper nvme: fix controller ioctl through ns_head
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- 04 May, 2021 7 commits
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Keith Busch authored
Nothing can stop a host from submitting invalid commands. The target just needs to respond with an appropriate status, but that's not a target error. Demote invalid command messages to the debug level so these events don't spam the kernel logs. Reported-by:
Yi Zhang <yi.zhang@redhat.com> Signed-off-by:
Klaus Jensen <k.jensen@samsung.com> Reviewed-by:
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Daniel Wagner authored
When a request finally completes in end_io() after it has failed over, the bdev pointer can be stale and thus the system can crash. Set the bdev back to ns head, so the request is map to an active path when resubmitted. Signed-off-by:
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Tao Chiu authored
reset_work() in nvme-pci may hang forever in the following scenario: 1) A reset caused by a command timeout occurs due to a controller being temporarily irresponsive. 2) nvme_reset_work() restarts admin queue at nvme_alloc_admin_tags(). At the same time, a user-submitted admin command is queued and waiting for completion. Then, reset_work() changes its state to CONNECTING, and submits an identify command. 3) However, the controller does still not respond to any command, causing a timeout being fired at the user-submitted command. Unfortunately, nvme_timeout() does not see the completion on cq, and any timeout that takes place under CONNECTING state causes a controller shutdown. 4) Normally, the identify command in reset_work() would be canceled with SC_HOST_ABORTED by nvme_dev_disable(), then reset_work can tear down the controller accordingly. But the controller happens to return online and respond the identify command before nvme_dev_disable() should have been reaped it off. 5) reset_work() continues to setup_io_queues() as it observes no error in init_identify(). However, the admin queue has already been quiesced in dev_disable(). Thus, any following commands would be blocked forever in blk_execute_rq(). This can be fixed by restricting usercmd commands when controller is not in a LIVE state in nvme_queue_rq(), as what has been done previously in fabrics. ``` nvme_reset_work(): | nvme_alloc_admin_tags() | | nvme_submit_user_cmd(): nvme_init_identify(): | ... __nvme_submit_sync_cmd(): | ... | ... ---------------------------------------> nvme_timeout(): (Controller starts reponding commands) | nvme_dev_disable(, true): nvme_setup_io_queues(): | __nvme_submit_sync_cmd(): | (hung in blk_execute_rq | since run_hw_queue sees | queue quiesced) | ``` Signed-off-by:Tao Chiu <taochiu@synology.com> Signed-off-by:
Cody Wong <codywong@synology.com> Reviewed-by:
Leon Chien <leonchien@synology.com> Reviewed-by:
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Tao Chiu authored
queue_rq() in pci only checks if the dispatched queue (nvmeq) is ready, e.g. not being suspended. Since nvme_alloc_admin_tags() in reset flow restarts the admin queue, users are able to submit admin commands to a controller before reset_work() completes. Commands submitted under this condition may interfere with commands that performs identify, IO queue setup in reset_work(), and may result in a hang described in the following patch. As seen in the fabrics, user commands are prevented from being executed under inproper controller states. We may reuse this logic to maintain a clear admin queue during reset_work(). Signed-off-by:
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Kanchan Joshi authored
nvme_clear_nvme_request() clears the nvme_command, which is unncessary for passthrough requests as nvme_command is overwritten immediately. Move clearing part from this helper to the caller, so that double memset for passthrough requests is avoided. Signed-off-by:
Kanchan Joshi <joshi.k@samsung.com> Signed-off-by:
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Kanchan Joshi authored
Add a helper to avoid opencoding ns->kref increment. Decrement is already done via nvme_put_ns helper. Signed-off-by:
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Minwoo Im authored
In multipath case, we should consider namespace attachment with controllers in a subsystem when we find out the live controller for the namespace. This patch manually reverted the commit 3557a440 ("nvme: don't bother to look up a namespace for controller ioctls") with few more updates to nvme_ns_head_chr_ioctl which has been newly updated. Fixes: 3557a440 ("nvme: don't bother to look up a namespace for controller ioctls") Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
Minwoo Im <minwoo.im.dev@gmail.com> Signed-off-by:
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- 03 May, 2021 7 commits
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Changheun Lee authored
bio size can grow up to 4GB when muli-page bvec is enabled. but sometimes it would lead to inefficient behaviors. in case of large chunk direct I/O, - 32MB chunk read in user space - all pages for 32MB would be merged to a bio structure if the pages physical addresses are contiguous. it makes some delay to submit until merge complete. bio max size should be limited to a proper size. When 32MB chunk read with direct I/O option is coming from userspace, kernel behavior is below now in do_direct_IO() loop. it's timeline. | bio merge for 32MB. total 8,192 pages are merged. | total elapsed time is over 2ms. |------------------ ... ----------------------->| | 8,192 pages merged a bio. | at this time, first bio submit is done. | 1 bio is split to 32 read request and issue. |---------------> |---------------> |---------------> ...... |---------------> |--------------->| total 19ms elapsed to complete 32MB read done from device. | If bio max size is limited with 1MB, behavior is changed below. | bio merge for 1MB. 256 pages are merged for each bio. | total 32 bio will be made. | total elapsed time is over 2ms. it's same. | but, first bio submit timing is fast. about 100us. |--->|--->|--->|---> ... -->|--->|--->|--->|--->| | 256 pages merged a bio. | at this time, first bio submit is done. | and 1 read request is issued for 1 bio. |---------------> |---------------> |---------------> ...... |---------------> |--------------->| total 17ms elapsed to complete 32MB read done from device. | As a result, read request issue timing is faster if bio max size is limited. Current kernel behavior with multipage bvec, super large bio can be created. And it lead to delay first I/O request issue. Signed-off-by:Changheun Lee <nanich.lee@samsung.com> Reviewed-by:
Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20210503095203.29076-1-nanich.lee@samsung.comSigned-off-by:
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Gioh Kim authored
rtrs_clt_rdma_cq_direct returns an ninitialized value in cnt if there is no session. This patch makes rtrs_clt_rdma_cq_direct returns a negative value for block layer not to try again. Fixes: 2958a995 ("block/rnbd-clt: Support polling mode for IO latency optimization") Reported-by:
kernel test robot <lkp@intel.com> Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Gioh Kim <gi-oh.kim@ionos.com> Signed-off-by:
Jack Wang <jinpu.wang@ionos.com> Link: https://lore.kernel.org/r/20210429092741.266533-1-gi-oh.kim@ionos.comSigned-off-by:
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Bhaskar Chowdhury authored
s/Subssystem/Subsystem/ ......two different places s/reportet/reported/ s/managemnet/management/ Signed-off-by:
Bhaskar Chowdhury <unixbhaskar@gmail.com> Acked-by:
Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
Stefan Haberland <sth@linux.ibm.com> Link: https://lore.kernel.org/r/20210428153521.2050899-2-sth@linux.ibm.comSigned-off-by:
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Gioh Kim authored
The IO performance test with fio after removing the likely and unlikely macros in all if-statement shows no performance drop. They do not help for the performance of rnbd. The fio test did random read on 32 rnbd devices and 64 processes. Test environment: - AMD Opteron(tm) Processor 6386 SE - 125G memory - kernel version: 5.4.86 - gcc version: gcc (Debian 8.3.0-6) 8.3.0 - Infiniband controller: InfiniBand: Mellanox Technologies MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR / 10GigE] (rev b0) before read: IOPS=549k, BW=2146MiB/s read: IOPS=544k, BW=2125MiB/s read: IOPS=553k, BW=2158MiB/s read: IOPS=535k, BW=2089MiB/s read: IOPS=543k, BW=2122MiB/s read: IOPS=552k, BW=2154MiB/s average: IOPS=546k, BW=2132MiB/s after read: IOPS=556k, BW=2172MiB/s read: IOPS=561k, BW=2191MiB/s read: IOPS=552k, BW=2156MiB/s read: IOPS=551k, BW=2154MiB/s read: IOPS=562k, BW=2194MiB/s ----------- average: IOPS=556k, BW=2173MiB/s The IOPS and bandwidth got better slightly after removing likely/unlikely. (IOPS= +1.8% BW= +1.9%) But we cannot make sure that removing the likely/unlikely help the performance because it depends on various situations. We only make sure that removing the likely/unlikely does not drop the performance. Signed-off-by:
Md Haris Iqbal <haris.iqbal@ionos.com> Link: https://lore.kernel.org/r/20210428061359.206794-5-gi-oh.kim@ionos.comSigned-off-by:
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Md Haris Iqbal authored
In case none of the paths are in connected state, the function rtrs_clt_query returns an error. In such a case, error out since the values in the rtrs_attrs structure would be garbage. Fixes: f7a7a5c2 ("block/rnbd: client: main functionality") Signed-off-by:
Guoqing Jiang <guoqing.jiang@ionos.com> Signed-off-by:
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Dima Stepanov authored
This patch fixes some style issues detected by scripts/checkpatch.pl * Resolve spacing and tab issues * Remove extra braces in rnbd_get_iu * Use num_possible_cpus() instead of NR_CPUS in alloc_sess * Fix the comments styling in rnbd_queue_rq Signed-off-by:
Dima Stepanov <dmitrii.stepanov@ionos.com> Signed-off-by:
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Md Haris Iqbal authored
The member queue_depth in the structure rnbd_clt_session is read from the rtrs client side using the function rtrs_clt_query, which in turn is read from the rtrs_clt structure. It should really be of type size_t. Fixes: 90426e89 ("block/rnbd: client: private header with client structs and functions") Signed-off-by:
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- 29 Apr, 2021 6 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 tlb updates from Ingo Molnar: "The x86 MM changes in this cycle were: - Implement concurrent TLB flushes, which overlaps the local TLB flush with the remote TLB flush. In testing this improved sysbench performance measurably by a couple of percentage points, especially if TLB-heavy security mitigations are active. - Further micro-optimizations to improve the performance of TLB flushes" * tag 'x86-mm-2021-04-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: smp: Micro-optimize smp_call_function_many_cond() smp: Inline on_each_cpu_cond() and on_each_cpu() x86/mm/tlb: Remove unnecessary uses of the inline keyword cpumask: Mark functions as pure x86/mm/tlb: Do not make is_lazy dirty for no reason x86/mm/tlb: Privatize cpu_tlbstate x86/mm/tlb: Flush remote and local TLBs concurrently x86/mm/tlb: Open-code on_each_cpu_cond_mask() for tlb_is_not_lazy() x86/mm/tlb: Unify flush_tlb_func_local() and flush_tlb_func_remote() smp: Run functions concurrently in smp_call_function_many_cond() -
git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds authored
Pull Microblaze updates from Michal Simek: "No new features, just about cleaning up some code and moving to generic syscall solution used by other architectures: - Switch to generic syscall scripts - Some small fixes" * tag 'microblaze-v5.13' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: add 'fallthrough' to memcpy/memset/memmove microblaze: Fix a typo microblaze: tag highmem_setup() with __meminit microblaze: syscalls: switch to generic syscallhdr.sh microblaze: syscalls: switch to generic syscalltbl.sh
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linuxLinus Torvalds authored
Pull MIPS updates from Thomas Bogendoerfer: - removed get_fs/set_fs - removed broken/unmaintained MIPS KVM trap and emulate support - added support for Loongson-2K1000 - fixes and cleanups * tag 'mips_5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (107 commits) MIPS: BCM63XX: Use BUG_ON instead of condition followed by BUG. MIPS: select ARCH_KEEP_MEMBLOCK unconditionally mips: Do not include hi and lo in clobber list for R6 MIPS:DTS:Correct the license for Loongson-2K MIPS:DTS:Fix label name and interrupt number of ohci for Loongson-2K MIPS: Avoid handcoded DIVU in `__div64_32' altogether lib/math/test_div64: Correct the spelling of "dividend" lib/math/test_div64: Fix error message formatting mips/bootinfo:correct some comments of fw_arg MIPS: Avoid DIVU in `__div64_32' is result would be zero MIPS: Reinstate platform `__div64_32' handler div64: Correct inline documentation for `do_div' lib/math: Add a `do_div' test module MIPS: Makefile: Replace -pg with CC_FLAGS_FTRACE MIPS: pci-legacy: revert "use generic pci_enable_resources" MIPS: Loongson64: Add kexec/kdump support MIPS: pci-legacy: use generic pci_enable_resources MIPS: pci-legacy: remove busn_resource field MIPS: pci-legacy: remove redundant info messages MIPS: pci-legacy: stop using of_pci_range_to_resource ...
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fsLinus Torvalds authored
Pull fsnotify updates from Jan Kara: - support for limited fanotify functionality for unpriviledged users - faster merging of fanotify events - a few smaller fsnotify improvements * tag 'fsnotify_for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: shmem: allow reporting fanotify events with file handles on tmpfs fs: introduce a wrapper uuid_to_fsid() fanotify_user: use upper_32_bits() to verify mask fanotify: support limited functionality for unprivileged users fanotify: configurable limits via sysfs fanotify: limit number of event merge attempts fsnotify: use hash table for faster events merge fanotify: mix event info and pid into merge key hash fanotify: reduce event objectid to 29-bit hash fsnotify: allow fsnotify_{peek,remove}_first_event with empty queue
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fsLinus Torvalds authored
Pull quota, ext2, reiserfs updates from Jan Kara: - support for path (instead of device) based quotactl syscall (quotactl_path(2)) - ext2 conversion to kmap_local() - other minor cleanups & fixes * tag 'for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fs/reiserfs/journal.c: delete useless variables fs/ext2: Replace kmap() with kmap_local_page() ext2: Match up ext2_put_page() with ext2_dotdot() and ext2_find_entry() fs/ext2/: fix misspellings using codespell tool quota: report warning limits for realtime space quotas quota: wire up quotactl_path quota: Add mountpath based quota support
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull xfs updates from Darrick Wong: "The notable user-visible addition this cycle is ability to remove space from the last AG in a filesystem. This is the first of many changes needed for full-fledged support for shrinking a filesystem. Still needed are (a) the ability to reorganize files and metadata away from the end of the fs; (b) the ability to remove entire allocation groups; (c) shrink support for realtime volumes; and (d) thorough testing of (a-c). There are a number of performance improvements in this code drop: Dave streamlined various parts of the buffer logging code and reduced the cost of various debugging checks, and added the ability to pre-create the xattr structures while creating files. Brian eliminated transaction reservations that were being held across writeback (thus reducing livelock potential. Other random pieces: Pavel fixed the repetitve warnings about deprecated mount options, I fixed online fsck to behave itself when a readonly remount comes in during scrub, and refactored various other parts of that code, Christoph contributed a lot of refactoring this cycle. The xfs_icdinode structure has been absorbed into the (incore) xfs_inode structure, and the format and flags handling around xfs_inode_fork structures has been simplified. Chandan provided a number of fixes for extent count overflow related problems that have been shaken out by debugging knobs added during 5.12. Summary: - Various minor fixes in online scrub. - Prevent metadata files from being automatically inactivated. - Validate btree heights by the computed per-btree limits. - Don't warn about remounting with deprecated mount options. - Initialize attr forks at create time if we suspect we're going to need to store them. - Reduce memory reallocation workouts in the logging code. - Fix some theoretical math calculation errors in logged buffers that span multiple discontig memory ranges but contiguous ondisk regions. - Speedups in dirty buffer bitmap handling. - Make type verifier functions more inline-happy to reduce overhead. - Reduce debug overhead in directory checking code. - Many many typo fixes. - Begin to handle the permanent loss of the very end of a filesystem. - Fold struct xfs_icdinode into xfs_inode. - Deprecate the long defunct BMV_IF_NO_DMAPI_READ from the bmapx ioctl. - Remove a broken directory block format check from online scrub. - Fix a bug where we could produce an unnecessarily tall data fork btree when creating an attr fork. - Fix scrub and readonly remounts racing. - Fix a writeback ioend log deadlock problem by dropping the behavior where we could preallocate a setfilesize transaction. - Fix some bugs in the new extent count checking code. - Fix some bugs in the attr fork preallocation code. - Refactor if_flags out of the incore inode fork data structure" * tag 'xfs-5.13-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (77 commits) xfs: remove xfs_quiesce_attr declaration xfs: remove XFS_IFEXTENTS xfs: remove XFS_IFINLINE xfs: remove XFS_IFBROOT xfs: only look at the fork format in xfs_idestroy_fork xfs: simplify xfs_attr_remove_args xfs: rename and simplify xfs_bmap_one_block xfs: move the XFS_IFEXTENTS check into xfs_iread_extents xfs: drop unnecessary setfilesize helper xfs: drop unused ioend private merge and setfilesize code xfs: open code ioend needs workqueue helper xfs: drop submit side trans alloc for append ioends xfs: fix return of uninitialized value in variable error xfs: get rid of the ip parameter to xchk_setup_* xfs: fix scrub and remount-ro protection when running scrub xfs: move the check for post-EOF mappings into xfs_can_free_eofblocks xfs: move the xfs_can_free_eofblocks call under the IOLOCK xfs: precalculate default inode attribute offset xfs: default attr fork size does not handle device inodes xfs: inode fork allocation depends on XFS_IFEXTENT flag ...
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