On 1/22/13 8:34 AM, Bradley C. Kuszmaul wrote: > Hi, > > Do any of the ext file systems support hole punching? ext4 does: [esandeen@host linux-2.6]$ grep -l FALLOC_FL_PUNCH_HOLE fs/ext?/*.[ch] fs/ext4/extents.c > If so, do the redhat distributions support it? Normally a question for Red Hat support, but yes, recent RHEL6 supports punch in ext4. > Can someone provide an example of a > program that punches a hole in a file in an ext4 file system? Upstream fallocate command does with the -p option, for example. -Eric > -Bradley > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html