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dlm for 3.12

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This set includes a workqueue cleanup and the removal
 of incorrect and unneeded signal blocking.
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Merge tag 'dlm-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:
 "This set includes a workqueue cleanup and the removal of incorrect and
  unneeded signal blocking"

* tag 'dlm-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: remove signal blocking
  dlm: WQ_NON_REENTRANT is meaningless and going away
This commit is contained in:
Linus Torvalds 2013-09-04 17:23:59 -07:00
parent ae67d9a888 c6ca7bc91d
commit 6f3bc58d84
2 changed files with 7 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
fs/dlm/ast.c
View file

@ -267,10 +267,7 @@ void dlm_callback_work(struct work_struct *work)
int dlm_callback_start(struct dlm_ls *ls)
{
ls->ls_callback_wq = alloc_workqueue("dlm_callback",
WQ_UNBOUND |
WQ_MEM_RECLAIM |
WQ_NON_REENTRANT,
0);
WQ_UNBOUND | WQ_MEM_RECLAIM, 0);
if (!ls->ls_callback_wq) {
log_print("can't start dlm_callback workqueue");
return -ENOMEM;

24
fs/dlm/user.c
View file

@ -493,7 +493,6 @@ static ssize_t device_write(struct file *file, const char __user *buf,
{
struct dlm_user_proc *proc = file->private_data;
struct dlm_write_request *kbuf;
sigset_t tmpsig, allsigs;
int error;
#ifdef CONFIG_COMPAT
@ -557,9 +556,6 @@ static ssize_t device_write(struct file *file, const char __user *buf,
goto out_free;
}
sigfillset(&allsigs);
sigprocmask(SIG_BLOCK, &allsigs, &tmpsig);
error = -EINVAL;
switch (kbuf->cmd)
@ -567,7 +563,7 @@ static ssize_t device_write(struct file *file, const char __user *buf,
case DLM_USER_LOCK:
if (!proc) {
log_print("no locking on control device");
goto out_sig;
goto out_free;
}
error = device_user_lock(proc, &kbuf->i.lock);
break;
@ -575,7 +571,7 @@ static ssize_t device_write(struct file *file, const char __user *buf,
case DLM_USER_UNLOCK:
if (!proc) {
log_print("no locking on control device");
goto out_sig;
goto out_free;
}
error = device_user_unlock(proc, &kbuf->i.lock);
break;
@ -583,7 +579,7 @@ static ssize_t device_write(struct file *file, const char __user *buf,
case DLM_USER_DEADLOCK:
if (!proc) {
log_print("no locking on control device");
goto out_sig;
goto out_free;
}
error = device_user_deadlock(proc, &kbuf->i.lock);
break;
@ -591,7 +587,7 @@ static ssize_t device_write(struct file *file, const char __user *buf,
case DLM_USER_CREATE_LOCKSPACE:
if (proc) {
log_print("create/remove only on control device");
goto out_sig;
goto out_free;
}
error = device_create_lockspace(&kbuf->i.lspace);
break;
@ -599,7 +595,7 @@ static ssize_t device_write(struct file *file, const char __user *buf,
case DLM_USER_REMOVE_LOCKSPACE:
if (proc) {
log_print("create/remove only on control device");
goto out_sig;
goto out_free;
}
error = device_remove_lockspace(&kbuf->i.lspace);
break;
@ -607,7 +603,7 @@ static ssize_t device_write(struct file *file, const char __user *buf,
case DLM_USER_PURGE:
if (!proc) {
log_print("no locking on control device");
goto out_sig;
goto out_free;
}
error = device_user_purge(proc, &kbuf->i.purge);
break;
@ -617,8 +613,6 @@ static ssize_t device_write(struct file *file, const char __user *buf,
kbuf->cmd);
}
out_sig:
sigprocmask(SIG_SETMASK, &tmpsig, NULL);
out_free:
kfree(kbuf);
return error;
@ -659,15 +653,11 @@ static int device_close(struct inode *inode, struct file *file)
{
struct dlm_user_proc *proc = file->private_data;
struct dlm_ls *ls;
sigset_t tmpsig, allsigs;
ls = dlm_find_lockspace_local(proc->lockspace);
if (!ls)
return -ENOENT;
sigfillset(&allsigs);
sigprocmask(SIG_BLOCK, &allsigs, &tmpsig);
set_bit(DLM_PROC_FLAGS_CLOSING, &proc->flags);
dlm_clear_proc_locks(ls, proc);
@ -685,8 +675,6 @@ static int device_close(struct inode *inode, struct file *file)
/* FIXME: AUTOFREE: if this ls is no longer used do
device_remove_lockspace() */
sigprocmask(SIG_SETMASK, &tmpsig, NULL);
return 0;
}