Author: pfg
Date: Sun Jul 7 15:51:28 2013
New Revision: 252956
URL: http://svnweb.freebsd.org/changeset/base/252956
Log:
Implement SEEK_HOLE/SEEK_DATA for ext2fs.
Merged from r236044 on UFS.
MFC after: 3 days
Modified:
head/sys/fs/ext2fs/ext2_vnops.c
Modified: head/sys/fs/ext2fs/ext2_vnops.c
==============================================================================
--- head/sys/fs/ext2fs/ext2_vnops.c Sun Jul 7 15:50:01 2013
(r252955)
+++ head/sys/fs/ext2fs/ext2_vnops.c Sun Jul 7 15:51:28 2013
(r252956)
@@ -48,6 +48,7 @@
#include <sys/systm.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>
@@ -92,6 +93,7 @@ static vop_close_t ext2_close;
static vop_create_t ext2_create;
static vop_fsync_t ext2_fsync;
static vop_getattr_t ext2_getattr;
+static vop_ioctl_t ext2_ioctl;
static vop_link_t ext2_link;
static vop_mkdir_t ext2_mkdir;
static vop_mknod_t ext2_mknod;
@@ -122,6 +124,7 @@ struct vop_vector ext2_vnodeops = {
.vop_fsync = ext2_fsync,
.vop_getattr = ext2_getattr,
.vop_inactive = ext2_inactive,
+ .vop_ioctl = ext2_ioctl,
.vop_link = ext2_link,
.vop_lookup = vfs_cache_lookup,
.vop_mkdir = ext2_mkdir,
@@ -1427,6 +1430,9 @@ ext2_pathconf(struct vop_pathconf_args *
case _PC_NO_TRUNC:
*ap->a_retval = 1;
return (0);
+ case _PC_MIN_HOLE_SIZE:
+ *ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_iosize;
+ return(0);
default:
return (EINVAL);
}
@@ -1702,6 +1708,20 @@ ext2_read(struct vop_read_args *ap)
return (error);
}
+static int
+ext2_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);
+ }
+}
+
/*
* Vnode op for writing.
*/
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