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authorArnd Bergmann <arnd@arndb.de>2010-09-11 18:00:57 +0200
committerArnd Bergmann <arnd@arndb.de>2010-10-21 15:44:13 +0200
commit6de5bd128d381ad88ac6d419a5e597048eb468cf (patch)
tree7b3a0440f645c6e98367a87b1ca0ed1e0df204dd /fs/Kconfig
parent7ff52efdca367d4bfe2449bd3d4a1f8172c5953a (diff)
BKL: introduce CONFIG_BKL.
With all the patches we have queued in the BKL removal tree, only a few dozen modules are left that actually rely on the BKL, and even there are lots of low-hanging fruit. We need to decide what to do about them, this patch illustrates one of the options: Every user of the BKL is marked as 'depends on BKL' in Kconfig, and the CONFIG_BKL becomes a user-visible option. If it gets disabled, no BKL using module can be built any more and the BKL code itself is compiled out. The one exception is file locking, which is practically always enabled and does a 'select BKL' instead. This effectively forces CONFIG_BKL to be enabled until we have solved the fs/lockd mess and can apply the patch that removes the BKL from fs/locks.c. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'fs/Kconfig')
-rw-r--r--fs/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/Kconfig b/fs/Kconfig
index 3d185308ec8..65781de44fc 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -50,6 +50,7 @@ endif # BLOCK
config FILE_LOCKING
bool "Enable POSIX file locking API" if EMBEDDED
default y
+ select BKL # while lockd still uses it.
help
This option enables standard file locking support, required
for filesystems like NFS and for the flock() system