diff options
Diffstat (limited to 'drivers/md/Kconfig')
| -rw-r--r-- | drivers/md/Kconfig | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 109f9dcc9cab..6ddc983417d5 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -443,4 +443,20 @@ config DM_SWITCH If unsure, say N. +config DM_LOG_WRITES + tristate "Log writes target support" + depends on BLK_DEV_DM + ---help--- + This device-mapper target takes two devices, one device to use + normally, one to log all write operations done to the first device. + This is for use by file system developers wishing to verify that + their fs is writing a consitent file system at all times by allowing + them to replay the log in a variety of ways and to check the + contents. + + To compile this code as a module, choose M here: the module will + be called dm-log-writes. + + If unsure, say N. + endif # MD |