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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-12 09:14:51 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-12 09:14:51 -0700
commitf26e51f67ae6a75ffc57b96cf5fe096f75e778cb (patch)
tree1e848187885426430cc93bffaadc539312ce636d /fs/gfs2/locking
parent1462222b76a09a24b240563a51d5f9fbea8bd3e1 (diff)
parentc36258b5925e6cf6bf72904635100593573bfcff (diff)
downloadop-kernel-dev-f26e51f67ae6a75ffc57b96cf5fe096f75e778cb.zip
op-kernel-dev-f26e51f67ae6a75ffc57b96cf5fe096f75e778cb.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (51 commits) [DLM] block dlm_recv in recovery transition [DLM] don't overwrite castparam if it's NULL [GFS2] Get superblock a different way [GFS2] Don't try to remove buffers that don't exist [GFS2] Alternate gfs2_iget to avoid looking up inodes being freed [GFS2] Data corruption fix [GFS2] Clean up journaled data writing [GFS2] GFS2: chmod hung - fix race in thread creation [DLM] Make dlm_sendd cond_resched more [GFS2] Move inode deletion out of blocking_cb [GFS2] flocks from same process trip kernel BUG at fs/gfs2/glock.c:1118! [GFS2] Clean up gfs2_trans_add_revoke() [GFS2] Use slab operations for all gfs2_bufdata allocations [GFS2] Replace revoke structure with bufdata structure [GFS2] Fix ordering of dirty/journal for ordered buffer unstuffing [GFS2] Clean up ordered write code [GFS2] Move pin/unpin into lops.c, clean up locking [GFS2] Don't mark jdata dirty in gfs2_unstuffer_page() [GFS2] Introduce gfs2_remove_from_ail [GFS2] Correct lock ordering in unlink ...
Diffstat (limited to 'fs/gfs2/locking')
-rw-r--r--fs/gfs2/locking/dlm/lock_dlm.h1
-rw-r--r--fs/gfs2/locking/dlm/plock.c11
-rw-r--r--fs/gfs2/locking/dlm/thread.c20
-rw-r--r--fs/gfs2/locking/nolock/main.c1
4 files changed, 19 insertions, 14 deletions
diff --git a/fs/gfs2/locking/dlm/lock_dlm.h b/fs/gfs2/locking/dlm/lock_dlm.h
index 24d70f7..9e8265d 100644
--- a/fs/gfs2/locking/dlm/lock_dlm.h
+++ b/fs/gfs2/locking/dlm/lock_dlm.h
@@ -13,7 +13,6 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
-#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/list.h>
diff --git a/fs/gfs2/locking/dlm/plock.c b/fs/gfs2/locking/dlm/plock.c
index fba1f1d..1f7b038 100644
--- a/fs/gfs2/locking/dlm/plock.c
+++ b/fs/gfs2/locking/dlm/plock.c
@@ -346,15 +346,16 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count,
static unsigned int dev_poll(struct file *file, poll_table *wait)
{
+ unsigned int mask = 0;
+
poll_wait(file, &send_wq, wait);
spin_lock(&ops_lock);
- if (!list_empty(&send_list)) {
- spin_unlock(&ops_lock);
- return POLLIN | POLLRDNORM;
- }
+ if (!list_empty(&send_list))
+ mask = POLLIN | POLLRDNORM;
spin_unlock(&ops_lock);
- return 0;
+
+ return mask;
}
static const struct file_operations dev_fops = {
diff --git a/fs/gfs2/locking/dlm/thread.c b/fs/gfs2/locking/dlm/thread.c
index 1aca51e..bd938f0 100644
--- a/fs/gfs2/locking/dlm/thread.c
+++ b/fs/gfs2/locking/dlm/thread.c
@@ -268,20 +268,16 @@ static inline int check_drop(struct gdlm_ls *ls)
return 0;
}
-static int gdlm_thread(void *data)
+static int gdlm_thread(void *data, int blist)
{
struct gdlm_ls *ls = (struct gdlm_ls *) data;
struct gdlm_lock *lp = NULL;
- int blist = 0;
uint8_t complete, blocking, submit, drop;
DECLARE_WAITQUEUE(wait, current);
/* Only thread1 is allowed to do blocking callbacks since gfs
may wait for a completion callback within a blocking cb. */
- if (current == ls->thread1)
- blist = 1;
-
while (!kthread_should_stop()) {
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&ls->thread_wait, &wait);
@@ -333,12 +329,22 @@ static int gdlm_thread(void *data)
return 0;
}
+static int gdlm_thread1(void *data)
+{
+ return gdlm_thread(data, 1);
+}
+
+static int gdlm_thread2(void *data)
+{
+ return gdlm_thread(data, 0);
+}
+
int gdlm_init_threads(struct gdlm_ls *ls)
{
struct task_struct *p;
int error;
- p = kthread_run(gdlm_thread, ls, "lock_dlm1");
+ p = kthread_run(gdlm_thread1, ls, "lock_dlm1");
error = IS_ERR(p);
if (error) {
log_error("can't start lock_dlm1 thread %d", error);
@@ -346,7 +352,7 @@ int gdlm_init_threads(struct gdlm_ls *ls)
}
ls->thread1 = p;
- p = kthread_run(gdlm_thread, ls, "lock_dlm2");
+ p = kthread_run(gdlm_thread2, ls, "lock_dlm2");
error = IS_ERR(p);
if (error) {
log_error("can't start lock_dlm2 thread %d", error);
diff --git a/fs/gfs2/locking/nolock/main.c b/fs/gfs2/locking/nolock/main.c
index 0d149c8c..d3b8ce6 100644
--- a/fs/gfs2/locking/nolock/main.c
+++ b/fs/gfs2/locking/nolock/main.c
@@ -9,7 +9,6 @@
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/fs.h>
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