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authorNathan Scott <nathans@sgi.com>2005-05-05 13:30:13 -0700
committerChristoph Hellwig <hch@melbourne.sgi.com>2005-05-05 13:30:13 -0700
commitabd0cf7aeaaf8a15d9777e65606b6076868b6186 (patch)
tree6ee2f3ee4fb4bcb6f922b80e03f69488254a469e /fs/xfs/linux-2.6
parent764433b7f1cf5d7b5e27ceb4f5546042e1f4acc7 (diff)
[XFS] Resolve an issue with xfsbufd not getting along with swsusp.
SGI Modid: xfs-linux:xfs-kern:22342a Signed-off-by: Nathan Scott <nathans@sgi.com> Signed-off-by: Christoph Hellwig <hch@sgi.com>
Diffstat (limited to 'fs/xfs/linux-2.6')
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 23e0eb67fc2..997963e5362 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1746,13 +1746,15 @@ STATIC DECLARE_COMPLETION(pagebuf_daemon_done);
STATIC struct task_struct *pagebuf_daemon_task;
STATIC int pagebuf_daemon_active;
STATIC int force_flush;
-
+STATIC int force_sleep;
STATIC int
pagebuf_daemon_wakeup(
int priority,
unsigned int mask)
{
+ if (force_sleep)
+ return 0;
force_flush = 1;
barrier();
wake_up_process(pagebuf_daemon_task);
@@ -1778,7 +1780,12 @@ pagebuf_daemon(
INIT_LIST_HEAD(&tmp);
do {
- try_to_freeze(PF_FREEZE);
+ if (unlikely(current->flags & PF_FREEZE)) {
+ force_sleep = 1;
+ refrigerator(PF_FREEZE);
+ } else {
+ force_sleep = 0;
+ }
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout((xfs_buf_timer_centisecs * HZ) / 100);