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tailscale/util/sparse
James Scott ef1c2a2280
util/sparse: add a sparse file PunchAt method
Adds support for sparse file hole punching in linux, windows, and
darwin. Also adds a generic PunchAt method that just writes zeros
instead of using the file Punch syscall.

Updates tailscale/corp#21363

Signed-off-by: James Scott <jim@tailscale.com>
11 months ago
..
punch.go util/sparse: add a sparse file PunchAt method 11 months ago
punch_darwin.go util/sparse: add a sparse file PunchAt method 11 months ago
punch_generic.go util/sparse: add a sparse file PunchAt method 11 months ago
punch_linux.go util/sparse: add a sparse file PunchAt method 11 months ago
punch_test.go util/sparse: add a sparse file PunchAt method 11 months ago
punch_windows.go util/sparse: add a sparse file PunchAt method 11 months ago