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-rw-r--r--module/spl/spl-kobj.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/module/spl/spl-kobj.c b/module/spl/spl-kobj.c
new file mode 100644
index 000000000..7019369bd
--- /dev/null
+++ b/module/spl/spl-kobj.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
+ * Copyright (C) 2007 The Regents of the University of California.
+ * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
+ * Written by Brian Behlendorf <[email protected]>.
+ * UCRL-CODE-235197
+ *
+ * This file is part of the SPL, Solaris Porting Layer.
+ * For details, see <http://zfsonlinux.org/>.
+ *
+ * The SPL is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * The SPL is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with the SPL. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Solaris Porting Layer (SPL) Kobj Implementation.
+ */
+
+#include <sys/kobj.h>
+
+struct _buf *
+kobj_open_file(const char *name)
+{
+ struct _buf *file;
+ vnode_t *vp;
+ int rc;
+
+ file = kmalloc(sizeof (_buf_t), kmem_flags_convert(KM_SLEEP));
+ if (file == NULL)
+ return ((_buf_t *)-1UL);
+
+ if ((rc = vn_open(name, UIO_SYSSPACE, FREAD, 0644, &vp, 0, 0))) {
+ kfree(file);
+ return ((_buf_t *)-1UL);
+ }
+
+ file->vp = vp;
+
+ return (file);
+} /* kobj_open_file() */
+EXPORT_SYMBOL(kobj_open_file);
+
+void
+kobj_close_file(struct _buf *file)
+{
+ VOP_CLOSE(file->vp, 0, 0, 0, 0, 0);
+ kfree(file);
+} /* kobj_close_file() */
+EXPORT_SYMBOL(kobj_close_file);
+
+int
+kobj_read_file(struct _buf *file, char *buf, unsigned size, unsigned off)
+{
+ ssize_t resid;
+
+ if (vn_rdwr(UIO_READ, file->vp, buf, size, (offset_t)off,
+ UIO_SYSSPACE, 0, 0, 0, &resid) != 0)
+ return (-1);
+
+ return (size - resid);
+} /* kobj_read_file() */
+EXPORT_SYMBOL(kobj_read_file);
+
+int
+kobj_get_filesize(struct _buf *file, uint64_t *size)
+{
+ vattr_t vap;
+ int rc;
+
+ rc = VOP_GETATTR(file->vp, &vap, 0, 0, NULL);
+ if (rc)
+ return (rc);
+
+ *size = vap.va_size;
+
+ return (rc);
+} /* kobj_get_filesize() */
+EXPORT_SYMBOL(kobj_get_filesize);