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dlm-user: BKL pushdown 

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
hifive-unleashed-5.1
Arnd Bergmann 2008-05-20 19:15:48 +02:00 committed by Jonathan Corbet
parent 009228dfb6
commit 514bcc66d4
1 changed files with 8 additions and 1 deletions
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9
fs/dlm/user.c
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@ -15,6 +15,7 @@
#include <linux/poll.h>
#include <linux/signal.h>
#include <linux/spinlock.h>
#include <linux/smp_lock.h>
#include <linux/dlm.h>
#include <linux/dlm_device.h>
@ -618,13 +619,17 @@ static int device_open(struct inode *inode, struct file *file)
struct dlm_user_proc *proc;
struct dlm_ls *ls;
lock_kernel();
ls = dlm_find_lockspace_device(iminor(inode));
if (!ls)
if (!ls) {
unlock_kernel();
return -ENOENT;
}
proc = kzalloc(sizeof(struct dlm_user_proc), GFP_KERNEL);
if (!proc) {
dlm_put_lockspace(ls);
unlock_kernel();
return -ENOMEM;
}
@ -636,6 +641,7 @@ static int device_open(struct inode *inode, struct file *file)
spin_lock_init(&proc->locks_spin);
init_waitqueue_head(&proc->wait);
file->private_data = proc;
unlock_kernel();
return 0;
}
@ -870,6 +876,7 @@ static unsigned int device_poll(struct file *file, poll_table *wait)
static int ctl_device_open(struct inode *inode, struct file *file)
{
cycle_kernel_lock();
file->private_data = NULL;
return 0;
}