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VFS_SYNC ()
  • >> VFS_SYNC (9) ( FreeBSD man: Ядро )

  • BSD mandoc
     

    NAME

    VFS_SYNC
    
     - flush unwritten data
    
     
    

    SYNOPSIS

       #include <sys/param.h>
       #include <sys/mount.h>
       #include <sys/vnode.h>
    int VFS_SYNC (struct mount *mp int waitfor struct thread *td);
     

    DESCRIPTION

    The VFS_SYNC ();
    macro writes out all unwritten data in the file system mounted as Fa mp .

    The arguments it expects are:

    Fa mp
    The file system.
    Fa waitfor
    Whether the function should wait for I/O to complete. Possible values are:

    MNT_WAIT
    synchronously wait for I/O to complete
    MNT_NOWAIT
    start all I/O, but do not wait for it
    MNT_LAZY
    push data not written by file system syncer

    Fa td
    The calling thread.

    The VFS_SYNC ();
    macro calls the vfs_sync method of the file system, which normally calls VOP_FSYNC9 for all the vnodes in the file system.  

    SEE ALSO

    fsync(2), sync(2), VFS(9), vnode(9), VOP_FSYNC9  

    AUTHORS

    This manual page was written by An Doug Rabson .


     

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    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    AUTHORS


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