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937879f11d
- Replacing all BUG_ON()'s with proper ASSERT()'s - Using ENTRY,EXIT,GOTO, and RETURN macro to instument call paths git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@78 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
#include <sys/kobj.h>
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#include "config.h"
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#ifdef DEBUG_SUBSYSTEM
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#undef DEBUG_SUBSYSTEM
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#endif
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#define DEBUG_SUBSYSTEM S_KOBJ
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struct _buf *
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kobj_open_file(const char *name)
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{
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struct _buf *file;
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vnode_t *vp;
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int rc;
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ENTRY;
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if ((rc = vn_open(name, UIO_SYSSPACE, FREAD, 0644, &vp, 0, 0)))
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RETURN((_buf_t *)-1UL);
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file = kmalloc(sizeof(_buf_t), GFP_KERNEL);
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file->vp = vp;
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RETURN(file);
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} /* kobj_open_file() */
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EXPORT_SYMBOL(kobj_open_file);
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void
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kobj_close_file(struct _buf *file)
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{
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ENTRY;
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VOP_CLOSE(file->vp, 0, 0, 0, 0, 0);
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VN_RELE(file->vp);
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kfree(file);
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EXIT;
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} /* kobj_close_file() */
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EXPORT_SYMBOL(kobj_close_file);
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int
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kobj_read_file(struct _buf *file, char *buf, ssize_t size, offset_t off)
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{
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ENTRY;
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RETURN(vn_rdwr(UIO_READ, file->vp, buf, size, off,
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UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL));
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} /* kobj_read_file() */
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EXPORT_SYMBOL(kobj_read_file);
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int
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kobj_get_filesize(struct _buf *file, uint64_t *size)
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{
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vattr_t vap;
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int rc;
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ENTRY;
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rc = VOP_GETATTR(file->vp, &vap, 0, 0, NULL);
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if (rc)
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RETURN(rc);
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*size = vap.va_size;
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RETURN(rc);
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} /* kobj_get_filesize() */
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EXPORT_SYMBOL(kobj_get_filesize);
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