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Man Pages


Manual Reference Pages  -  VFS_SYNC (9)

NAME

VFS_SYNC - flush unwritten data

CONTENTS

Synopsis
Description
See Also
Authors

SYNOPSIS


.In sys/param.h
.In sys/mount.h
.In sys/vnode.h int VFS_SYNC struct mount *mp int waitfor

DESCRIPTION

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

The arguments it expects are:
mp The file system.
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

The VFS_SYNC macro calls the vfs_sync method of the file system, which normally calls VOP_FSYNC(9) for all the vnodes in the file system.

SEE ALSO

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

AUTHORS

This manual page was written by
.An Doug Rabson .
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