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    The following form allows you to view linux man pages.

    Command:

    syncfs

    
    
    

    SYNOPSIS

           #include <unistd.h>
    
           void sync(void);
    
           int syncfs(int fd);
    
       Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
    
           sync():
               _BSD_SOURCE || _XOPEN_SOURCE >= 500 ||
               _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED
    
           syncfs():
               _GNU_SOURCE
    
    
    

    DESCRIPTION

           sync() causes all buffered modifications to file metadata and  data  to
           be written to the underlying filesystems.
    
           syncfs()  is like sync(), but synchronizes just the filesystem contain-
           ing file referred to by the open file descriptor fd.
    
    
    

    RETURN VALUE

           syncfs() returns 0 on success; on error, it returns -1 and  sets  errno
           to indicate the error.
    
    
    

    ERRORS

           sync() is always successful.
    
           syncfs() can fail for at least the following reason:
    
           EBADF  fd is not a valid file descriptor.
    
    
    

    VERSIONS

           syncfs()  first  appeared in Linux 2.6.39; library support was added to
           glibc in version 2.14.
    
    
    

    CONFORMING TO

           sync(): SVr4, 4.3BSD, POSIX.1-2001.
    
           syncfs() is Linux-specific.
    
    
    

    NOTES

           Since glibc 2.2.2 the Linux prototype for sync() is  as  listed  above,
           following  the  various  standards.   In  libc4, libc5, and glibc up to
           2.2.1 it was "int sync(void)", and sync() always returned 0.
    
    
    

    BUGS

           According to the standard specification  (e.g.,  POSIX.1-2001),  sync()
           schedules the writes, but may return before the actual writing is done.
           However, since version 1.3.20 Linux does actually  wait.   (This  still
    
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