NAME¶

gfs_pio_datasync - output a file's data on memroy to disk

SYNOPSIS¶

#include <gfarm/gfarm.h> char *gfs_pio_datasync (GFS_File gf);

DESCRIPTION¶

The function gfs_pio_datasync copies data on memory of the gf, and waits for the I/O to complete before returning. It does nod update metadtata stat information, while another function gfs_pio_sync updates the metadata in addition to the contents.

RETURN VALUES¶

NULL

The function terminated successfully.

GFARM_ERR_NO_MEMORY

Insufficient memory was available.

Others

An error except the above occurred. The reason is shown by its pointed strings.

SEE ALSO¶

gfs_pio_sync(3), gfs_pio_create(3), gfs_pio_open(3), gfs_pio_write(3), gfs_pio_flush(3)