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ufs_disk_fillout (3)
  • >> ufs_disk_fillout (3) ( FreeBSD man: Библиотечные вызовы )

  • BSD mandoc
     

    NAME

    
    
    ufs_disk_close , ufs_disk_fillout , ufs_disk_fillout_blank, ufs_disk_write
    
     - open and close userland UFS disks
    
     
    

    LIBRARY

    Lb libufs
    
     
    

    SYNOPSIS

       #include <sys/param.h>
       #include <sys/mount.h>
       #include <ufs/ufs/ufsmount.h>
       #include <ufs/ufs/dinode.h>
       #include <ufs/ffs/fs.h>
       #include <libufs.h>
    int ufs_disk_close (struct uufsd *disk);
    int ufs_disk_fillout (struct uufsd *disk const char *name);
    int ufs_disk_fillout_blank (struct uufsd *disk const char *name);
    int ufs_disk_write (struct uufsd *disk);
     

    DESCRIPTION

    The ufs_disk_close ();
    function closes a disk and frees internal memory related to it. It does not free the Fa disk structure.

    The ufs_disk_fillout ();
    and ufs_disk_fillout_blank ();
    functions open a disk specified by Fa name and populate the structure pointed to by Fa disk . The disk is opened read-only. The specified Fa name may be either a mountpoint, or a device name. The ufs_disk_fillout ();
    function assumes there is a valid superblock and will fail if not, whereas the ufs_disk_fillout_blank ();
    function makes no assumptions of that sort.

    The ufs_disk_write ();
    function attempts to re-open a disk as writable if it is not currently.  

    ERRORS

    The function ufs_disk_close ();
    has no failure points.

    The function ufs_disk_fillout ();
    may fail for any of the reasons ufs_disk_fillout_blank ();
    might, as well as for any reason sbread(3) might.

    The ufs_disk_fillout_blank ();
    may fail and set errno for any of the errors specified for the library functions open(2), strdup(3). Additionally, it may follow the libufs(3) error methodologies in situations where no device could be found to open.

    The function ufs_disk_write ();
    may fail and set errno for any of the errors specified for the library functions open(2) and stat(2). Namely, it will fail if the disk in question may not be written to.  

    SEE ALSO

    open(2), getfsfile(3), libufs(3), sbread(3)  

    HISTORY

    These functions first appeared as part of libufs(3) in Fx 5.0 .  

    AUTHORS

    An Juli Mallett Aq jmallett@FreeBSD.org


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    ERRORS
    SEE ALSO
    HISTORY
    AUTHORS


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