Date: Fri, 23 Dec 2011 20:11:37 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r228849 - in head/sys: kern sys Message-ID: <201112232011.pBNKBbaW081393@svn.freebsd.org>
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Author: jhb Date: Fri Dec 23 20:11:37 2011 New Revision: 228849 URL: http://svn.freebsd.org/changeset/base/228849 Log: Add post-VOP hooks for VOP_DELETEEXTATTR() and VOP_SETEXTATTR() and use these to trigger a NOTE_ATTRIB EVFILT_VNODE kevent when the extended attributes of a vnode are changed. Note that OS X already implements this behavior. Reviewed by: rwatson MFC after: 2 weeks Modified: head/sys/kern/vfs_subr.c head/sys/kern/vnode_if.src head/sys/sys/vnode.h Modified: head/sys/kern/vfs_subr.c ============================================================================== --- head/sys/kern/vfs_subr.c Fri Dec 23 20:03:18 2011 (r228848) +++ head/sys/kern/vfs_subr.c Fri Dec 23 20:11:37 2011 (r228849) @@ -4033,6 +4033,15 @@ vop_create_post(void *ap, int rc) } void +vop_deleteextattr_post(void *ap, int rc) +{ + struct vop_setattr_args *a = ap; + + if (!rc) + VFS_KNOTE_LOCKED(a->a_vp, NOTE_ATTRIB); +} + +void vop_link_post(void *ap, int rc) { struct vop_link_args *a = ap; @@ -4114,6 +4123,15 @@ vop_setattr_post(void *ap, int rc) } void +vop_setextattr_post(void *ap, int rc) +{ + struct vop_setattr_args *a = ap; + + if (!rc) + VFS_KNOTE_LOCKED(a->a_vp, NOTE_ATTRIB); +} + +void vop_symlink_post(void *ap, int rc) { struct vop_symlink_args *a = ap; Modified: head/sys/kern/vnode_if.src ============================================================================== --- head/sys/kern/vnode_if.src Fri Dec 23 20:03:18 2011 (r228848) +++ head/sys/kern/vnode_if.src Fri Dec 23 20:11:37 2011 (r228849) @@ -569,6 +569,7 @@ vop_openextattr { %% deleteextattr vp E E E +%! deleteextattr post vop_deleteextattr_post vop_deleteextattr { IN struct vnode *vp; @@ -580,6 +581,7 @@ vop_deleteextattr { %% setextattr vp E E E +%! setextattr post vop_setextattr_post vop_setextattr { IN struct vnode *vp; Modified: head/sys/sys/vnode.h ============================================================================== --- head/sys/sys/vnode.h Fri Dec 23 20:03:18 2011 (r228848) +++ head/sys/sys/vnode.h Fri Dec 23 20:11:37 2011 (r228849) @@ -705,6 +705,7 @@ int vop_panic(struct vop_generic_args *a /* These are called from within the actual VOPS. */ void vop_create_post(void *a, int rc); +void vop_deleteextattr_post(void *a, int rc); void vop_link_post(void *a, int rc); void vop_lock_pre(void *a); void vop_lock_post(void *a, int rc); @@ -717,6 +718,7 @@ void vop_rename_post(void *a, int rc); void vop_rename_pre(void *a); void vop_rmdir_post(void *a, int rc); void vop_setattr_post(void *a, int rc); +void vop_setextattr_post(void *a, int rc); void vop_strategy_pre(void *a); void vop_symlink_post(void *a, int rc); void vop_unlock_post(void *a, int rc);
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