Diffusion FreeBSD src repository 651fdc3d198d

Revert "vnode read(2)/write(2): acquire rangelock regardless of do_vn_io_fault…
651fdc3d198d
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Description

Revert "vnode read(2)/write(2): acquire rangelock regardless of do_vn_io_fault()"

This reverts commit 5b353925ff61b9ddb97bb453ba75278b578ed7d9.

The reason is the lesser scalability of the vnode' rangelock comparing
with the vnode lock.

Requested by: mjg
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D41334

Details

Provenance

kib	Authored on Aug 6 2023, 1:23 AM

Differential Revision

D41334: Revert "vnode read(2)/write(2): acquire rangelock regardless of do_vn_io_fault()"

Parents

rG07d3738b82b6: soxstack: silence GCC warning

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Reverts

D41158: vnode read(2)/write(2): acquire rangelock regardless of do_vn_io_fault()
rG5b353925ff61: vnode read(2)/write(2): acquire rangelock regardless of do_vn_io_fault()

Event Timeline

kib committed rG651fdc3d198d: Revert "vnode read(2)/write(2): acquire rangelock regardless of do_vn_io_fault… (authored by kib).Aug 9 2023, 3:54 AM

kib added reverted changes: rG5b353925ff61: vnode read(2)/write(2): acquire rangelock regardless of do_vn_io_fault(), D41158: vnode read(2)/write(2): acquire rangelock regardless of do_vn_io_fault().Aug 9 2023, 4:04 AM

kib added an edge: D41334: Revert "vnode read(2)/write(2): acquire rangelock regardless of do_vn_io_fault()".

kib mentioned this in rGfebdac6a879a: Revert "vnode read(2)/write(2): acquire rangelock regardless of do_vn_io_fault….Aug 16 2023, 9:17 AM

Changes (1)

Path

Size

sys/

kern/

rG651fdc3d198d

sys/kern/vfs_vnops.c

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