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0cf14bf4b5
torvalds/linux@09022bc196 removes the flag, and the corresponding SetPageError() and ClearPageError() macros, with no replacement offered. Going back through the upstream history, use of this flag has been gradually removed over the last year as part of the long tail of converting everything to folios. Interesting tidbit comments from torvalds/linux@29e9412b25 and torvalds/linux@420e05d0de suggest that this flag has not been used meaningfully since page writeback failures started being recorded in errseq_t instead (the whole "fsyncgate" thing, ~2017, around torvalds/linux@8ed1e46aaf). Given that, it's possible that since perhaps Linux 4.13 we haven't been getting anything by setting the flag. I don't know if that's true and/or if there's something we should be doing instead, but my gut feel is that its probably fine we only use the page cache as a proxy to allow mmap() to work, rather than backing IO with it. As such, I'm expecting that removing this will do no harm, but I'm leaving it in for older kernels to maintain status quo, and if there is an overall better way, that is left for a future change. Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #16582 |
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OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.
Official Resources
- Documentation - for using and developing this repo
- ZoL Site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
Installation
Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.
Contribute & Develop
We have a separate document with contribution guidelines.
We have a Code of Conduct.
Release
OpenZFS is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197
Supported Kernels
- The
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 13.0-RELEASE.