ocfs2: cond_resched() in ocfs2_zero_extend()

[pandora-kernel.git] / fs / ocfs2 / file.c

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index b499c32..1be74c4 100644 (file)
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -30,6 +30,7 @@
 #include <linux/highmem.h>
 #include <linux/pagemap.h>
 #include <linux/uio.h>
+#include <linux/sched.h>
 
 #define MLOG_MASK_PREFIX ML_INODE
 #include <cluster/masklog.h>
@@ -691,6 +692,12 @@ static int ocfs2_zero_extend(struct inode *inode,
                }
 
                start_off += sb->s_blocksize;
+
+               /*
+                * Very large extends have the potential to lock up
+                * the cpu for extended periods of time.
+                */
+               cond_resched();
        }
 
 out: