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Using per-cpu thread pool we can reduce the scheduling latency compared
to workqueue implementation. With this patch scheduling latency and
variation is reduced as per-cpu threads are high priority kthread_workers.
The results were evaluated on arm64 Android devices running 5.10 kernel.
The table below shows resulting improvements of total scheduling latency
for the same app launch benchmark runs with 50 iterations. Scheduling
latency is the latency between when the task (workqueue kworker vs
kthread_worker) became eligible to run to when it actually started
running.
+-------------------------+-----------+----------------+---------+
| | workqueue | kthread_worker | diff |
+-------------------------+-----------+----------------+---------+
| Average (us) | 15253 | 2914 | -80.89% |
| Median (us) | 14001 | 2912 | -79.20% |
| Minimum (us) | 3117 | 1027 | -67.05% |
| Maximum (us) | 30170 | 3805 | -87.39% |
| Standard deviation (us) | 7166 | 359 | |
+-------------------------+-----------+----------------+---------+
Background: Boot times and cold app launch benchmarks are very
important to the Android ecosystem as they directly translate to
responsiveness from user point of view. While EROFS provides
a lot of important features like space savings, we saw some
performance penalty in cold app launch benchmarks in few scenarios.
Analysis showed that the significant variance was coming from the
scheduling cost while decompression cost was more or less the same.
Having per-cpu thread pool we can see from the above table that this
variation is reduced by ~80% on average. This problem was discussed
at LPC 2022. Link to LPC 2022 slides and talk at [1]
[1] https://lpc.events/event/16/contributions/1338/
[ Gao Xiang: At least, we have to add this until WQ_UNBOUND workqueue
issue [2] on many arm64 devices is resolved. ]
[2] https://lore.kernel.org/r/CAJkfWY490-m6wNubkxiTPsW59sfsQs37Wey279LmiRxKt7aQYg@mail.gmail.com
Signed-off-by: Sandeep Dhavale <dhavale@google.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230208093322.75816-1-hsiangkao@linux.alibaba.com
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Reorder internal.h code so that removing unneeded macros and more.
No logic changes.
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230204093040.97967-6-hsiangkao@linux.alibaba.com
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The code can be neater without forward declarations. Let's
get rid of z_erofs_do_map_blocks() forward declaration.
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230204093040.97967-5-hsiangkao@linux.alibaba.com
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Definitions in zdata.h are only used in zdata.c and for internal
use only. No logic changes.
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230204093040.97967-4-hsiangkao@linux.alibaba.com
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Just open-code the remaining one to simplify the code.
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230204093040.97967-3-hsiangkao@linux.alibaba.com
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We could just use a boolean in z_erofs_decompressqueue for sync
decompression to simplify the code.
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230204093040.97967-2-hsiangkao@linux.alibaba.com
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erofs_inode_datablocks() has the only one caller, let's just get
rid of it entirely. No logic changes.
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230204093040.97967-1-hsiangkao@linux.alibaba.com
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Actually we could pass in inodes directly to clean up all callers.
Also rename iloc() as erofs_iloc().
Link: https://lore.kernel.org/r/20230114150823.432069-1-xiang@kernel.org
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Since erofsdump is available, no need to keep this debugging
functionality at all.
Also drop a useless comment since it's the VFS behavior.
Link: https://lore.kernel.org/r/20230114125746.399253-1-xiang@kernel.org
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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EROFS actually never uses buffer heads, therefore just get rid of
BH_xxx definitions and linux/buffer_head.h inclusive.
Link: https://lore.kernel.org/r/20230113065226.68801-2-hsiangkao@linux.alibaba.com
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Move inode hash function into inode.c and simplify erofs_iget().
Link: https://lore.kernel.org/r/20230113065226.68801-1-hsiangkao@linux.alibaba.com
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Commit 4bf8860760d9 ("riscv: cpufeature: extend
riscv_cpufeature_patch_func to all ISA extensions") switched ISA
extension alternatives to use the RISCV_ISA_EXT_* macros instead of
CPUFEATURE_*. This was mismerged when applied on top of the Zbb series,
so the Zbb alternatives referenced the wrong errata ID values.
Fixes: 9daca9a5b9ac ("Merge patch series "riscv: improve boot time isa extensions handling"")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230212021534.59121-3-samuel@sholland.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Now that the text to patch is located using a relative offset from the
alternative entry, the text address should be computed without applying
the kernel mapping offset, both before and after VM setup.
Fixes: 8d23e94a4433 ("riscv: switch to relative alternative entries")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Jisheng Zhang <jszhang@kernel.org>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230212021534.59121-2-samuel@sholland.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Pick up the CXL DVSEC range register emulation for v6.3, and resolve
conflicts with the cxl_port_probe() split (from for-6.3/cxl-ram-region)
and event handling (from for-6.3/cxl-events).
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Selects should be sorted alphanumerically, and were tidied up originally
by Palmer in commit e8c7ef7d5819 ("RISC-V: Sort select statements
alphanumerically") since then, things have gotten out of order again.
Fish RMK's original script out of commit b1b3f49ce460 ("ARM: config:
sort select statements alphanumerically") and do some spring cleaning.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20221219172836.134709-1-conor@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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When adding the ISA string ordering rules, I didn't sufficiently indent
one of the list items.
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/linux-doc/202301300743.bp7Dpazv-lkp@intel.com/
Fixes: f07b2b3f9d47 ("Documentation: riscv: add a section about ISA string ordering in /proc/cpuinfo")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20230129235701.2393241-1-conor@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Remove the CXL_DECODER_F_LOCK check to be permissive of platform BIOSes
that allow CXL.mem to be remapped.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167640370085.935665.13128321011001358077.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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For the case where DVSEC range register(s) are active and HDM decoders are
not committed, use RR to provide emulation. A first pass is done to note
whether any decoders are committed. If there are no committed endpoint
decoders, then DVSEC ranges will be used for emulation.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167640369536.935665.611974113442400127.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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CXL rev3 spec 8.1.3
RCDs may not have HDM register blocks. Create a fake HDM with information
from the CXL PCIe DVSEC registers. The decoder count will be set to the
HDM count retrieved from the DVSEC cap register.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167640368994.935665.15831225724059704620.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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In the case where HDM decoder register block exists but is not programmed
and at the same time the DVSEC range register range is active, populate the
CXL decoder object 'cxl_decoder' with info from DVSEC range registers.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167640368454.935665.13806415120298330717.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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With the previous refactoring of DVSEC range registers out of
cxl_hdm_decode_init(), it basically becomes a skeleton function. Squash
__cxl_hdm_decode_init() with cxl_hdm_decode_init() to simplify the code.
cxl_hdm_decode_init() now returns more error codes than just -EBUSY.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167640367916.935665.12898404758336059003.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Call cxl_dvsec_rr_decode() in the beginning of cxl_port_probe() and
preserve the decoded information in a local
'struct cxl_endpoint_dvsec_info'. This info can be passed to various
functions later on in order to support the HDM decoder emulation.
The invocation of cxl_dvsec_rr_decode() in cxl_hdm_decode_init() is
removed and a pointer to the 'struct cxl_endpoint_dvsec_info' is passed
in.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167640367377.935665.2848747799651019676.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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There are 2 scenarios that requires additional handling. 1. A device that
has active ranges in DVSEC range registers (RR) but no HDM decoder register
block. 2. A device that has both RR active and HDM, but the HDM decoders
are not programmed. The goal is to create emulated decoder software structs
based on the RR.
Move the CXL DVSEC range register decoding code block from
cxl_hdm_decode_init() to its own function. Refactor code in preparation for
the HDM decoder emulation. There is no functionality change to the code.
Name the new function to cxl_dvsec_rr_decode().
The only change is to set range->start and range->end to CXL_RESOURCE_NONE
and skipping the reading of base registers if the range size is 0, which
equates to range not active.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167640366839.935665.11816388524993234329.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Pick up the AER unmasking patches for v6.3.
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Pick up some fixes from exposure of for-6.3/cxl-ram-region in
linux-next.
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The of_gpio.h is going to be removed. In preparation of that convert
the driver to the agnostic API.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230213161713.1450-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The comment that says mwait_play_dead() returns only on failure is a bit
misleading because mwait_play_dead() could actually return for valid
reasons (such as mwait not being supported by the platform) that do not
indicate a failure of the CPU offline operation. So, remove the comment.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230128003751.141317-1-srivatsa@csail.mit.edu
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By default the CXL RAS mask registers bits are defaulted to 1's and
suppress all error reporting. If the kernel has negotiated ownership
of error handling for CXL then unmask the mask registers by writing 0s.
PCI_EXP_DEVCTL capability is checked to see uncorrectable or correctable
errors bits are set before unmasking the respective errors.
Acked-by: Bjorn Helgaas <bhelgaas@google.com> # pci_regs.h
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167639402301.778884.12556849214955646539.stgit@djiang5-mobl3.local
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The original behavior introduced by commit c6acd629eec7 ("net/mlx5e: Add
support for devlink-port in non-representors mode") correctly
re-instantiated uplink devlink port and related netdevice during devlink
reload. However with migration to auxiliary devices, this behaviour
changed.
Restore the original behaviour and tear down auxiliary devices
completely during devlink reload.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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mlx5_load_one() is always called with recovery==false, so remove the
unneeded function arg.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Commit cited in "fixes" tag moved the devlink port under separate
devlink entity created for auxiliary device. Respect the network
namespace of parent devlink entity and allocate the devlink there.
Fixes: ee75f1fc44dd ("net/mlx5e: Create separate devlink instance for ethernet auxiliary device")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Move the devlink port registration to be done right after devlink
instance registration.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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No need to have dl_port which is tightly coupled with mlx5e code
in mlx5 core code. Move it to struct mlx5e_dev and loose
mlx5e_devlink_get_dl_port() helper.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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On places where netdev pointer is available, access related devlink_port
pointer by netdev->devlink_port instead of using
mlx5e_devlink_get_dl_port() which is going to be removed.
Move SET_NETDEV_DEVLINK_PORT() call right after devlink port
registration to make sure netdev->devlink_port is valid.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Instead of accessing priv->mdev, pass mdev pointer to
mlx5e_devlink_port_register() and access it directly.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The comment is no longer applicable, as the devlink reload and instance
cleanup are both protected with devlink instance lock, therefore no race
can happen.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The parse_attr argument is not being used in
actions_match_supported_fdb(). remove it.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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get_route_and_out_devs() is uses the following condition
mlx5e_eswitch_rep() && mlx5e_is_uplink_rep() to check if a given netdev is the
uplink rep.
Alternatively we can just use the straight forward version
mlx5e_eswitch_uplink_rep() that only checks if a given netdev is uplink rep.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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In MultiPort E-Switch mode a single RDMA is created. This device has multiple
RDMA ports that represent the uplink ports that are connected to the E-Switch.
Account for this when creating the RDMA device so it has an additional port for
the non native uplink.
As a side effect of this patch, use shared fdb in multiport eswitch mode.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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In a follow-up commit multiport eswitch mode will use a shared fdb.
In shared fdb there is a single eswitch fdb and traffic could come from any
port. to distinguish between the ports set a different metadata per uplink port.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The vport bond update function is really updating the vport metadata
and there is no direct relation to bond. Rename the function
to vport metadata update to be used a followup commit.
This commit doesn't change any functionality.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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While at it rename mlx5_lag_mpesw_is_activated() to mlx5_lag_is_mpesw() to
be consistent with checking if other lag modes are activated.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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MultiPort E-Switch builds on newer hardware's capabilities and introduces
a mode where a single E-Switch is used and all the vports and physical
ports on the NIC are connected to it.
The new mode will allow in the future a decrease in the memory used by the
driver and advanced features that aren't possible today.
This represents a big change in the current E-Switch implantation in mlx5.
Currently, by default, each E-Switch manager manages its E-Switch.
Steering rules in each E-Switch can only forward traffic to the native
physical port associated with that E-Switch. While there are ways to target
non-native physical ports, for example using a bond or via special TC
rules. None of the ways allows a user to configure the driver
to operate by default in such a mode nor can the driver decide
to move to this mode by default as it's user configuration-driven right now.
While MultiPort E-Switch single FDB mode is the preferred mode, older
generations of ConnectX hardware couldn't support this mode so it was never
implemented. Now that there is capable hardware present, start the
transition to having this mode by default.
Introduce a devlink parameter to control MultiPort E-Switch single FDB mode.
This will allow users to select this mode on their system right now
and in the future will allow the driver to move to this mode by default.
Example:
$ devlink dev param set pci/0000:00:0b.0 name esw_multiport value 1 \
cmode runtime
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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With this [1] commit upstream, pci_enable_pci_error_report() is no longer
necessary for the driver to call. Remove call and related cleanups.
[1]: f26e58bf6f54 ("PCI/AER: Enable error reporting when AER is native")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167632012093.4153151.5360778069735064322.stgit@djiang5-mobl3.local
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The Hardkernel Odroid Go Ultra poweroff scheme requires requesting a poweroff
to its two PMICs in order, this represents the poweroff scheme needed to complete
a clean poweroff of the system.
This implement this scheme by implementing a self registering driver to permit
using probe defer until both pmics are finally probed.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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This reverts commit 84d7d462b16dd5f0bf7c7ca9254bf81db2c952a2.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230214183308.1658775-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This reverts commit 821e840c08ad83736eced4037cdad864e95e2584.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230214183308.1658775-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This reverts commit 178fa7d49815ea8001f43ade37a22072829fd8ab.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230214183308.1658775-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This reverts commit c43332fe028c252a2a28e46be70a530f64fc3c9d as it is not
needed without moving to disk references in the blkg.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230214183308.1658775-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This reverts commit 3f13ab7c80fdb0ada86a8e3e818960bc1ccbaa59 as a patch
it depends on caused a few problems.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230214183308.1658775-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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