On Fri, Aug 7, 2020 at 5:06 PM Mateusz Guzik <m...@freebsd.org> wrote:
> Author: mjg > Date: Fri Aug 7 23:06:40 2020 > New Revision: 364044 > URL: https://svnweb.freebsd.org/changeset/base/364044 > > Log: > vfs: add VOP_STAT > > The current scheme of calling VOP_GETATTR adds avoidable overhead. > > An example with tmpfs doing fstat (ops/s): > before: 7488958 > after: 7913833 > > Reviewed by: kib (previous version) > Differential Revision: https://reviews.freebsd.org/D25910 > > Modified: > head/share/man/man9/Makefile > head/share/man/man9/VOP_ATTRIB.9 > head/sys/compat/linuxkpi/common/src/linux_compat.c > head/sys/kern/vfs_default.c > head/sys/kern/vfs_syscalls.c > head/sys/kern/vfs_vnops.c > head/sys/kern/vnode_if.src > head/sys/security/audit/audit_arg.c > head/sys/sys/vnode.h > What avoidable overhead? The tmpfs_stat handler that you added in your next commit looks pretty much the same as vop_getattr. I'm missing where the performance improvement comes from. Could you please fill me in? -Alan _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
