Page MenuHomeFreeBSD

Do not use waitable allocation of pbuf when creating cluster for write.
ClosedPublic

Authored by kib on Dec 21 2019, 5:17 PM.
Tags
None
Referenced Files
Unknown Object (File)
Sat, Oct 11, 2:09 PM
Unknown Object (File)
Fri, Sep 26, 6:43 PM
Unknown Object (File)
Sep 14 2025, 8:50 AM
Unknown Object (File)
Aug 31 2025, 9:16 AM
Unknown Object (File)
Aug 22 2025, 8:39 PM
Unknown Object (File)
Aug 17 2025, 11:21 AM
Unknown Object (File)
Aug 4 2025, 2:51 AM
Unknown Object (File)
Jul 6 2025, 10:05 PM
Subscribers

Details

Summary

Previously just ensuring that we do not sleep when clustering for md(4) vnode was enough.

Now, with the switch of the pbuf allocator to uma and completely broken per-subsystem pbuf limits, it might cause unbounded sleep even for non-md(4) vnodes.

Reported and tested by: pho

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Not Applicable
Unit
Tests Not Applicable