Howard McLauchlan 62b8e07731 btrfs: Add nossd_spread mount option
Btrfs has two mount options for SSD optimizations: ssd and ssd_spread.
Presently there is an option to disable all SSD optimizations, but there
isn't an option to disable just ssd_spread.

This patch adds a mount option nossd_spread that disables ssd_spread
only.

Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Howard McLauchlan <hmclauchlan@fb.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2018-03-31 01:26:52 +02:00
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