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logfs: fix logfs build errors and dependencies

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Fix build errors that happen when CONFIG_LOGFS=y and CONFIG_MTD=m:

  fs/built-in.o: In function `logfs_mount':
  super.c:(.text+0x92a6f): undefined reference to `logfs_get_sb_mtd'
  fs/built-in.o: In function `logfs_get_sb_bdev':
  (.text+0x93530): undefined reference to `logfs_get_sb_mtd'

This patch avoids the error by changing the dependencies of logfs in a
way that we can no longer configure logfs as built-in when the MTD core
is a loadable module, while leaving the dependency to require at least
one of MTD or BLOCK to be enabled.

Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Randy Dunlap <[email protected]>
Cc: Michal Marek <[email protected]>
Cc: Peter Chen <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Joern Engel <[email protected]>
Cc: Prasad Joshi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Arnd Bergmann 2016-01-14 15:17:05 -08:00 • committed by Linus Torvalds
commit 2886357b24
1 changed files with 1 additions and 1 deletions
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2
fs/logfs/Kconfig
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@ -1,6 +1,6 @@
config LOGFS
tristate "LogFS file system"
depends on (MTD || BLOCK)
depends on MTD || (!MTD && BLOCK)
select ZLIB_INFLATE
select ZLIB_DEFLATE
select CRC32