Date: Sun, 7 Jan 2018 18:07:22 +0000 (UTC) From: Ian Lepore <ian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r327679 - head/sys/kern Message-ID: <201801071807.w07I7MQm084641@repo.freebsd.org>
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Author: ian Date: Sun Jan 7 18:07:22 2018 New Revision: 327679 URL: https://svnweb.freebsd.org/changeset/base/327679 Log: Use EVENTHANDLER_DIRECT_INVOKE for [un]mount events, for better performance. Modified: head/sys/kern/vfs_mount.c Modified: head/sys/kern/vfs_mount.c ============================================================================== --- head/sys/kern/vfs_mount.c Sun Jan 7 18:06:30 2018 (r327678) +++ head/sys/kern/vfs_mount.c Sun Jan 7 18:07:22 2018 (r327679) @@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/conf.h> +#include <sys/eventhandler.h> #include <sys/fcntl.h> #include <sys/jail.h> #include <sys/kernel.h> @@ -91,6 +92,9 @@ struct mntlist mountlist = TAILQ_HEAD_INITIALIZER(moun struct mtx mountlist_mtx; MTX_SYSINIT(mountlist, &mountlist_mtx, "mountlist", MTX_DEF); +EVENTHANDLER_LIST_DEFINE(vfs_mounted); +EVENTHANDLER_LIST_DEFINE(vfs_unmounted); + /* * Global opts, taken by all filesystems */ @@ -865,7 +869,7 @@ vfs_domount_first( if (VFS_ROOT(mp, LK_EXCLUSIVE, &newdp)) panic("mount: lost mount"); VOP_UNLOCK(vp, 0); - EVENTHANDLER_INVOKE(vfs_mounted, mp, newdp, td); + EVENTHANDLER_DIRECT_INVOKE(vfs_mounted, mp, newdp, td); VOP_UNLOCK(newdp, 0); mountcheckdirs(vp, newdp); vrele(newdp); @@ -1401,7 +1405,7 @@ dounmount(struct mount *mp, int flags, struct thread * mtx_lock(&mountlist_mtx); TAILQ_REMOVE(&mountlist, mp, mnt_list); mtx_unlock(&mountlist_mtx); - EVENTHANDLER_INVOKE(vfs_unmounted, mp, td); + EVENTHANDLER_DIRECT_INVOKE(vfs_unmounted, mp, td); if (coveredvp != NULL) { coveredvp->v_mountedhere = NULL; VOP_UNLOCK(coveredvp, 0);
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