On Tue, Dec 02 2014 at 3:43am -0500, zhangxiao <xiao.zhang@xxxxxxxxxxxxx> wrote: > Hi Experts, > > See drivers/md/dm-bufio.c as below: > 50 /* > 51 * Buffer hash > 52 */ > 53 #define DM_BUFIO_HASH_BITS 20 > 54 #define DM_BUFIO_HASH(block) \ > 55 ((((block) >> DM_BUFIO_HASH_BITS) ^ (block)) & \ > 56 ((1 << DM_BUFIO_HASH_BITS) - 1)) > "drivers/md/dm-bufio.c" 1854L, 45375C > > DM_BUFIO_HASH_BITS was defined as 20 and it maybe not fit for some > use case with limited resources. Do we have any plan to make it more > flexible? Like module parameter or something else? No immediate plans. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
