Lines Matching +full:suspend +full:- +full:to +full:- +full:ram
6 doesn't cache reads because reads are supposed to be cached in page cache
7 in normal RAM.
14 1. type of the cache device - "p" or "s"
15 - p - persistent memory
16 - s - SSD
25 offset from the start of cache device in 512-byte sectors
45 applicable only to persistent memory - use the FUA flag
46 when writing data from persistent memory back to the
49 applicable only to persistent memory - don't use the FUA
53 - some underlying devices perform better with fua, some
58 new writes (however, writes to already cached blocks are
59 promoted, to avoid data corruption due to misordered
63 blocks drops to zero, userspace can unload the
64 dm-writecache target and replace it with dm-linear or
69 written to the underlying device and cleaned up.
71 only metadata is promoted to the cache. This option
74 pause writeback if there was some write I/O redirected to
79 1. error indicator - 0 if there was no error, otherwise error number
99 Flush the cache device on next suspend. Use this message
100 when you are going to remove the cache device. The proper
105 to the underlying device
106 3. suspend the device