[Bug 230260] [FUSE] [PERFORMANCE]: Performance issue (I/O block size)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Feb 21 02:43:00 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230260

--- Comment #13 from commit-hook at freebsd.org ---
A commit references this bug:

Author: cem
Date: Thu Feb 21 02:41:58 UTC 2019
New revision: 344407
URL: https://svnweb.freebsd.org/changeset/base/344407

Log:
  fuse: Fix a regression introduced in r337165

  On systems with non-default DFLTPHYS and/or MAXBSIZE, FUSE would attempt to
  use a buf cache block size in excess of permitted size.  This did not affect
  most configurations, since DFLTPHYS and MAXBSIZE both default to 64kB.
  The issue was discovered and reported using a custom kernel with a DFLTPHYS
  of 512kB.

  PR:           230260 (comment #9)
  Reported by:  ken@
  MFC after:    ?/? weeks

Changes:
  head/sys/fs/fuse/fuse_vfsops.c

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