diff options
Diffstat (limited to 'Documentation/device-mapper')
| -rw-r--r-- | Documentation/device-mapper/dm-flakey.txt | 4 | ||||
| -rw-r--r-- | Documentation/device-mapper/log-writes.txt | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/device-mapper/dm-flakey.txt b/Documentation/device-mapper/dm-flakey.txt index c43030718cef..9f0e247d0877 100644 --- a/Documentation/device-mapper/dm-flakey.txt +++ b/Documentation/device-mapper/dm-flakey.txt @@ -33,6 +33,10 @@ Optional feature parameters: All write I/O is silently ignored. Read I/O is handled correctly. + error_writes: + All write I/O is failed with an error signalled. + Read I/O is handled correctly. + corrupt_bio_byte <Nth_byte> <direction> <value> <flags>: During <down interval>, replace <Nth_byte> of the data of each matching bio with <value>. diff --git a/Documentation/device-mapper/log-writes.txt b/Documentation/device-mapper/log-writes.txt index f4ebcbaf50f3..b638d124be6a 100644 --- a/Documentation/device-mapper/log-writes.txt +++ b/Documentation/device-mapper/log-writes.txt @@ -38,7 +38,7 @@ inconsistent file system. Any REQ_FUA requests bypass this flushing mechanism and are logged as soon as they complete as those requests will obviously bypass the device cache. -Any REQ_DISCARD requests are treated like WRITE requests. Otherwise we would +Any REQ_OP_DISCARD requests are treated like WRITE requests. Otherwise we would have all the DISCARD requests, and then the WRITE requests and then the FLUSH request. Consider the following example: |
