[PATCH] nfsd: replace schedule_timeout() with msleep()

Use msleep() instead of schedule_timeout() to guarantee the task
delays as expected.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/nfsd/vfs.c

@@ -36,6 +36,7 @@
 #include <linux/module.h>
 #include <linux/namei.h>
 #include <linux/vfs.h>
+#include <linux/delay.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/nfsd/nfsd.h>
 #ifdef CONFIG_NFSD_V3
@@ -946,8 +947,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
 			if (atomic_read(&inode->i_writecount) > 1
 			    || (last_ino == inode->i_ino && last_dev == inode->i_sb->s_dev)) {
 				dprintk("nfsd: write defer %d\n", current->pid);
-				set_current_state(TASK_UNINTERRUPTIBLE);
-				schedule_timeout((HZ+99)/100);
+				msleep(10);
 				dprintk("nfsd: write resume %d\n", current->pid);
 			}