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drivers/block: remove redundant 'default n' from Kconfig-s
'default n' is the default value for any bool or tristate Kconfig setting so there is no need to write it explicitly. Also since commit f467c56 ("kconfig: only write '# CONFIG_FOO is not set' for visible symbols") the Kconfig behavior is the same regardless of 'default n' being present or not: ... One side effect of (and the main motivation for) this change is making the following two definitions behave exactly the same: config FOO bool config FOO bool default n With this change, neither of these will generate a '# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied). That might make it clearer to people that a bare 'default n' is redundant. ... Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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‎drivers/block/Kconfig

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@@ -461,7 +461,6 @@ config BLK_DEV_RBD
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select LIBCRC32C
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select CRYPTO_AES
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select CRYPTO
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default n
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help
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Say Y here if you want include the Rados block device, which stripes
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a block device over objects stored in the Ceph distributed object

‎drivers/block/drbd/Kconfig

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@@ -11,7 +11,6 @@ config BLK_DEV_DRBD
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depends on PROC_FS && INET
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select LRU_CACHE
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select LIBCRC32C
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default n
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help
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NOTE: In order to authenticate connections you have to select

‎drivers/block/zram/Kconfig

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@@ -3,7 +3,6 @@ config ZRAM
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tristate "Compressed RAM block device support"
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depends on BLOCK && SYSFS && ZSMALLOC && CRYPTO
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select CRYPTO_LZO
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default n
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help
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Creates virtual block devices called /dev/zramX (X = 0, 1, ...).
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Pages written to these disks are compressed and stored in memory
@@ -18,7 +17,6 @@ config ZRAM
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config ZRAM_WRITEBACK
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bool "Write back incompressible page to backing device"
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depends on ZRAM
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default n
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help
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With incompressible page, there is no memory saving to keep it
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in memory. Instead, write it out to backing device.

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