Provided by: libgfarm-dev_2.4.1-1.1ubuntu1_amd64
gfs_pio_datasync - output a file's data on memroy to disk
#include <gfarm/gfarm.h> char *gfs_pio_datasync (GFS_File gf);
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.
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.
gfs_pio_sync(3), gfs_pio_create(3), gfs_pio_open(3), gfs_pio_write(3), gfs_pio_flush(3)