Re: [PATCH v7 0/5] block: enable RWF_DONTCACHE for block devices
Jens Axboe <[email protected]>
| Newsgroups | gmane.linux.file-systems,gmane.linux.block,gmane.linux.kernel,gmane.linux.kernel.mm |
|---|---|
| Message-ID | <178551006694.14426.18417795913299417263.b4-ty@b4> |
On Thu, 30 Jul 2026 02:57:50 -0400, Tal Zussman wrote:
> Add support for using RWF_DONTCACHE with block devices.
>
> Dropbehind pruning needs to be done in non-IRQ context, but block
> devices complete writeback in IRQ context. To fix this, we defer
> dropbehind invalidation to task context. Add infrastructure that lets
> bi_end_io callbacks run from a worker, in two forms:
>
> [...]
Applied, thanks!
[1/5] block: introduce bio_in_atomic()
commit: 8ed0831b5263e1aa48d99063795a1f20e4e69b50
[2/5] block: add task-context bio completion infrastructure
commit: 77e73fa61b3888c9765a549af02c928372522cc9
[3/5] iomap: use BIO_COMPLETE_IN_TASK for dropbehind writeback
commit: efbde6f9f449da3306f5b5d32f08829954ffb44d
[4/5] buffer: set BIO_COMPLETE_IN_TASK for dropbehind writeback
commit: a2c924c240e74dc2dd14ff763245dc86b93db714
[5/5] block: enable RWF_DONTCACHE for block devices
commit: 8b5ffb43ae9d27eed9165e1962963d685d879219
Best regards,
--
Jens Axboe