From 0f221694c3baf7bb8b75eae7cd2bf2ba07ab5479 Mon Sep 17 00:00:00 2001 From: kib Date: Sat, 26 May 2012 05:29:53 +0000 Subject: Implement SEEK_HOLE/SEEK_DATA for UFS. MFC after: 2 weeks --- sys/ufs/ufs/ufs_vnops.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/sys/ufs/ufs/ufs_vnops.c b/sys/ufs/ufs/ufs_vnops.c index f55b515..a271cdf 100644 --- a/sys/ufs/ufs/ufs_vnops.c +++ b/sys/ufs/ufs/ufs_vnops.c @@ -48,6 +48,7 @@ __FBSDID("$FreeBSD$"); #include #include #include +#include #include #include #include @@ -102,6 +103,7 @@ static int ufs_chown(struct vnode *, uid_t, gid_t, struct ucred *, struct thread static vop_close_t ufs_close; static vop_create_t ufs_create; static vop_getattr_t ufs_getattr; +static vop_ioctl_t ufs_ioctl; static vop_link_t ufs_link; static int ufs_makeinode(int mode, struct vnode *, struct vnode **, struct componentname *); static vop_markatime_t ufs_markatime; @@ -2504,6 +2506,9 @@ ufs_pathconf(ap) *ap->a_retval = 0; #endif break; + case _PC_MIN_HOLE_SIZE: + *ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_iosize; + break; case _PC_ASYNC_IO: /* _PC_ASYNC_IO should have been handled by upper layers. */ KASSERT(0, ("_PC_ASYNC_IO should not get here")); @@ -2737,6 +2742,20 @@ bad: return (error); } +static int +ufs_ioctl(struct vop_ioctl_args *ap) +{ + + switch (ap->a_command) { + case FIOSEEKDATA: + case FIOSEEKHOLE: + return (vn_bmap_seekhole(ap->a_vp, ap->a_command, + (off_t *)ap->a_data, ap->a_cred)); + default: + return (ENOTTY); + } +} + /* Global vfs data structures for ufs. */ struct vop_vector ufs_vnodeops = { .vop_default = &default_vnodeops, @@ -2751,6 +2770,7 @@ struct vop_vector ufs_vnodeops = { .vop_create = ufs_create, .vop_getattr = ufs_getattr, .vop_inactive = ufs_inactive, + .vop_ioctl = ufs_ioctl, .vop_link = ufs_link, .vop_lookup = vfs_cache_lookup, .vop_markatime = ufs_markatime, -- cgit v1.1