/usr/src/kernel-patches/lustre/patches/prune-icache-use-trylock-sles10.patch is in linux-patch-lustre 1.8.5+dfsg-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | --- linux/fs/inode.c.orig 2009-01-24 03:28:57.000000000 +0800
+++ linux/fs/inode.c 2009-01-24 03:30:18.000000000 +0800
@@ -418,7 +418,9 @@ static void prune_icache(int nr_to_scan)
int nr_scanned;
unsigned long reap = 0;
- down(&iprune_sem);
+ if (down_trylock(&iprune_sem))
+ return;
+
spin_lock(&inode_lock);
for (nr_scanned = 0; nr_scanned < nr_to_scan; nr_scanned++) {
struct inode *inode;
|