Lines Matching defs:prexor
1287 * must be preparing for prexor in rmw; read
1863 * raid5-cache write back uses orig_page during prexor.
1864 * After prexor, it is time to free orig_page
2063 int prexor = 0;
2088 /* check if prexor is active which means only process blocks
2092 prexor = 1;
2115 /* 1/ if we prexor'd then the dest is reused as a source
2116 * 2/ if we did not prexor then we are redoing the parity
2125 (prexor ? ASYNC_TX_XOR_DROP_DST : ASYNC_TX_XOR_ZERO_DST);
2131 flags = prexor ? ASYNC_TX_XOR_DROP_DST : ASYNC_TX_XOR_ZERO_DST;
2810 * must be preparing for prexor in rmw
3333 * necessary to handle complex rmw of write back cache (prexor with
3389 * run rmw and allocates extra page for prexor. However, rcw is
4048 * back cache (prexor with orig_page, and then xor with
4173 * For RMW in write back cache, we need extra page in prexor to store the
4176 * This function checks whether we have data for prexor. The exact logic
4253 /* alloc page for prexor */
4993 int prexor;
5094 prexor = 0;
5096 prexor = 1;
5117 if (prexor)