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btrfs-extent-same - Man Page

directly access the FIDEDUPRANGE ioctl

Synopsis

btrfs-extent-same extent-len file1 offset1 file2 offset2 [...]

Description

btrfs-extent-same is a wrapper around the FIDEDUPRANGE ioctl. extent-len and all offsets should be specified in bytes.

See Also

Info

March 2014 System Manager’s Manual