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| author | kib <kib@FreeBSD.org> | 2012-05-26 05:29:53 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2012-05-26 05:29:53 +0000 |
| commit | 0f221694c3baf7bb8b75eae7cd2bf2ba07ab5479 (patch) | |
| tree | 893a38b46a2c597f4b3c78d494f180cf79ae3a2c | |
| parent | 08dbe8fa01b3d86ff4c013895e550837ae597f5e (diff) | |
| download | FreeBSD-src-0f221694c3baf7bb8b75eae7cd2bf2ba07ab5479.zip FreeBSD-src-0f221694c3baf7bb8b75eae7cd2bf2ba07ab5479.tar.gz | |
Implement SEEK_HOLE/SEEK_DATA for UFS.
MFC after: 2 weeks
| -rw-r--r-- | sys/ufs/ufs/ufs_vnops.c | 20 |
1 files changed, 20 insertions, 0 deletions
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 <sys/namei.h> #include <sys/kernel.h> #include <sys/fcntl.h> +#include <sys/filio.h> #include <sys/stat.h> #include <sys/bio.h> #include <sys/buf.h> @@ -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, |
