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Qu Wenruo 6dd8669a1c btrfs-progs: mkfs: Only zero out the first 1M for rootdir 
It's a waste of IO to fill the whole image before creating btrfs on it,
just wiping the first 1M, and then write 1 byte to the last position to
create a sparse file.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2018-01-03 17:29:19 +01:00
..
common.c btrfs-progs: mkfs: Enhance minimal device size calculation to fix mkfs failure on small file 2018-01-03 17:10:11 +01:00
common.h btrfs-progs: mkfs: Enhance minimal device size calculation to fix mkfs failure on small file 2018-01-03 17:10:11 +01:00
main.c btrfs-progs: mkfs: Only zero out the first 1M for rootdir 2018-01-03 17:29:19 +01:00