[PATCH 2.6.24-rc8-mm1 02/15] IPC/shared memory: introduce shmctl_down

From: Pierre Peiffer <[EMAIL PROTECTED]> Currently, the way the different commands are handled in sys_shmctl introduces some duplicated code. This patch introduces the shmctl_down function to handle all the commands requiring the rwmutex to be taken in write mode (ie IPC_SET and IPC_RMID for

[PATCH 2.6.24-rc8-mm1 02/15] IPC/shared memory: introduce shmctl_down

From: Pierre Peiffer [EMAIL PROTECTED] Currently, the way the different commands are handled in sys_shmctl introduces some duplicated code. This patch introduces the shmctl_down function to handle all the commands requiring the rwmutex to be taken in write mode (ie IPC_SET and IPC_RMID for now).