VFS_SYNC -- flush unwritten data
VFS_SYNC(struct mount *mp, int waitfor, struct ucred *cred,
struct thread *td);
This writes out all unwritten data in a file system.
Its arguments are:
mp The file system.
waitfor Whether the function should wait for I/O to complete. Possible
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
cred The caller's credentials.
td The calling thread.
This would normally call VOP_FSYNC(9) for all the vnodes in the file system.
fsync(2), sync(2), VFS(9), vnode(9), VOP_FSYNC(9)
This manual page was written by Doug Rabson.
FreeBSD 5.2.1 July 24, 1996 FreeBSD 5.2.1 [ Back ]