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authorArnd Bergmann <arnd@arndb.de>2010-07-07 22:55:17 +0200
committerArnd Bergmann <arnd@arndb.de>2010-10-15 15:53:34 +0200
commitab91261f5c43f196ec7ff1d113847b87b7606b26 (patch)
treeba368bdd2156e3e6671be4bc1c0933fa5fad51b9 /arch/x86/kernel/acpi/cstate.c
parent6038f373a3dc1f1c26496e60b6c40b164716f07e (diff)
downloadlwn-ab91261f5c43f196ec7ff1d113847b87b7606b26.tar.gz
lwn-ab91261f5c43f196ec7ff1d113847b87b7606b26.zip
vfs: don't use BKL in default_llseek
There are currently 191 users of default_llseek. Nine of these are in device drivers that use the big kernel lock. None of these ever touch file->f_pos outside of llseek or file_pos_write. Consequently, we never rely on the BKL in the default_llseek function and can replace that with i_mutex, which is also used in generic_file_llseek. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/x86/kernel/acpi/cstate.c')
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