Application Memory
Page Cache
Disk Cache
Disk Storage
write()
O_DIRECT
+ O_SYNC
O_DIRECT + O_DSYNC
fsync()
Data Integrity
File Integrity
fdatasync()
fsync()
macOS Only
fcntl(F_FULLSYNC)
F_NOCACHE + O_DSYNC
sync_file_range (btrfs,zfs)
sync_file_range (ext4,xfs)
Windows Only
NO_BUFFERING
FlushFileBuffers
F_NOCACHE + O_SYNC
+ WRITE_THROUGH
Text is not SVG - cannot display