3 make-bcache \- create a cache device
7 [\fB \-b\ \fIbucket-size\fR ]
15 Create a backing device (kernel functionality not yet implemented)
18 Create a cache device with the specified UUID
20 .BR \-b\ \fIbucket-size
21 Spcifies the bucket size. Allocation is done in terms of buckets, and cache
22 hits are counted per bucket; thus a smaller bucket size will give better cache
23 utilization, but poorer write performance. The bucket size is intended to be
24 equal to the size of your SSD's erase blocks, which seems to be 128k-512k for
25 most SSDs. Must be a power of two; accepts human readable units. Defaults to