Kconfig (d57916a00fd749ccd354a7f754c2aba98f86d064) Kconfig (c6b4fcbad044e6fffcc75bba160e720eb8d67d17)
1#
2# Block device driver configuration
3#
4
5menuconfig MD
6 bool "Multiple devices driver support (RAID and LVM)"
7 depends on BLOCK
8 help

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263 depends on STACKTRACE_SUPPORT && DM_THIN_PROVISIONING
264 select STACKTRACE
265 ---help---
266 Enable this for messages that may help debug problems with the
267 block manager locking used by thin provisioning.
268
269 If unsure, say N.
270
1#
2# Block device driver configuration
3#
4
5menuconfig MD
6 bool "Multiple devices driver support (RAID and LVM)"
7 depends on BLOCK
8 help

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263 depends on STACKTRACE_SUPPORT && DM_THIN_PROVISIONING
264 select STACKTRACE
265 ---help---
266 Enable this for messages that may help debug problems with the
267 block manager locking used by thin provisioning.
268
269 If unsure, say N.
270
271config DM_CACHE
272 tristate "Cache target (EXPERIMENTAL)"
273 depends on BLK_DEV_DM
274 default n
275 select DM_PERSISTENT_DATA
276 select DM_BIO_PRISON
277 ---help---
278 dm-cache attempts to improve performance of a block device by
279 moving frequently used data to a smaller, higher performance
280 device. Different 'policy' plugins can be used to change the
281 algorithms used to select which blocks are promoted, demoted,
282 cleaned etc. It supports writeback and writethrough modes.
283
271config DM_MIRROR
272 tristate "Mirror target"
273 depends on BLK_DEV_DM
274 ---help---
275 Allow volume managers to mirror logical volumes, also
276 needed for live data migration tools such as 'pvmove'.
277
278config DM_RAID

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284config DM_MIRROR
285 tristate "Mirror target"
286 depends on BLK_DEV_DM
287 ---help---
288 Allow volume managers to mirror logical volumes, also
289 needed for live data migration tools such as 'pvmove'.
290
291config DM_RAID

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