lfsinit.c File Reference

#include <xinu.h>

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Functions
devcall	lfsinit (struct dentry *devptr)

Variables
struct lfdata	Lf_data

Function Documentation

lfsinit()

devcall lfsinit

(

struct dentry *

devptr

)

Definition at line 11 of file lfsinit.c.

References FALSE, Lf_data, lfdata::lf_dir, lfdata::lf_dirdirty, lfdata::lf_dirpresent, LF_DISK_DEV, lfdata::lf_dskdev, lfdata::lf_mutex, memset(), NULLCH, OK, and semcreate().

{
    /* Assign ID of disk device that will be used */

    Lf_data.lf_dskdev = LF_DISK_DEV;

    /* Create a mutual exclusion semaphore */

    Lf_data.lf_mutex = semcreate(1);

    /* Zero directory area (for debugging) */

    memset((char *)&Lf_data.lf_dir, NULLCH, sizeof(struct lfdir));

    /* Initialize directory to "not present" in memory */

    Lf_data.lf_dirpresent = Lf_data.lf_dirdirty = FALSE;

    return OK;
}

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Variable Documentation

Lf_data

struct lfdata Lf_data

Definition at line 5 of file lfsinit.c.

Referenced by lfdballoc(), lfdbfree(), lfflush(), lfiballoc(), lflclose(), lflcontrol(), lflputc(), lfsetup(), lfsinit(), lfsopen(), lftruncate(), and xsh_ls().