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H A D | ioctl.c | 1406e432 Wed Jan 13 12:19:06 CST 2010 Josef Bacik <josef@redhat.com> Btrfs: add a "df" ioctl for btrfs
df is a very loaded question in btrfs. This gives us a way to get the per-space usage information so we can tell exactly what is in use where. This will help us figure out ENOSPC problems, and help users better understand where their disk space is going.
Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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