[PATCH] coda breakage

[Al Viro]

	a) switch by loff_t == __cmpdi2 use.  Replaced with a couple
of obvious ifs; update of ->f_pos in the first one makes sure that we
do the right thing in all cases.
	b) block_signals() and unblock_signals() are globals on UML.
Renamed coda ones; in principle UML probably ought to do rename as
well, but that's another story.

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 04a3dd8..8e61236 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -510,20 +510,20 @@ static int coda_venus_readdir(struct file *coda_file, void *buf,
 	vdir = kmalloc(sizeof(*vdir), GFP_KERNEL);
 	if (!vdir) return -ENOMEM;
 
-	switch (coda_file->f_pos) {
-	case 0:
+	if (coda_file->f_pos == 0) {
 		ret = filldir(buf, ".", 1, 0, de->d_inode->i_ino, DT_DIR);
-		if (ret < 0) break;
+		if (ret < 0)
+			goto out;
 		result++;
 		coda_file->f_pos++;
-		/* fallthrough */
-	case 1:
+	}
+	if (coda_file->f_pos == 1) {
 		ret = filldir(buf, "..", 2, 1, de->d_parent->d_inode->i_ino, DT_DIR);
-		if (ret < 0) break;
+		if (ret < 0)
+			goto out;
 		result++;
 		coda_file->f_pos++;
-		/* fallthrough */
-	default:
+	}
 	while (1) {
 		/* read entries from the directory file */
 		ret = kernel_read(host_file, coda_file->f_pos - 2, (char *)vdir,
@@ -578,7 +578,7 @@ static int coda_venus_readdir(struct file *coda_file, void *buf,
 		 * we've already established it is non-zero. */
 		coda_file->f_pos += vdir->d_reclen;
 	}
-	}
+out:
 	kfree(vdir);
 	return result ? result : ret;
 }
diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c
index e4e766e..cd561d2 100644
--- a/fs/coda/upcall.c
+++ b/fs/coda/upcall.c
@@ -632,7 +632,7 @@ int venus_statfs(struct dentry *dentry, struct kstatfs *sfs)
 /*
  * coda_upcall and coda_downcall routines.
  */
-static void block_signals(sigset_t *old)
+static void coda_block_signals(sigset_t *old)
 {
 	spin_lock_irq(&current->sighand->siglock);
 	*old = current->blocked;
@@ -646,7 +646,7 @@ static void block_signals(sigset_t *old)
 	spin_unlock_irq(&current->sighand->siglock);
 }
 
-static void unblock_signals(sigset_t *old)
+static void coda_unblock_signals(sigset_t *old)
 {
 	spin_lock_irq(&current->sighand->siglock);
 	current->blocked = *old;
@@ -672,7 +672,7 @@ static inline void coda_waitfor_upcall(struct upc_req *req)
 	sigset_t old;
 	int blocked;
 
-	block_signals(&old);
+	coda_block_signals(&old);
 	blocked = 1;
 
 	add_wait_queue(&req->uc_sleep, &wait);
@@ -689,7 +689,7 @@ static inline void coda_waitfor_upcall(struct upc_req *req)
 		if (blocked && time_after(jiffies, timeout) &&
 		    CODA_INTERRUPTIBLE(req))
 		{
-			unblock_signals(&old);
+			coda_unblock_signals(&old);
 			blocked = 0;
 		}
 
@@ -704,7 +704,7 @@ static inline void coda_waitfor_upcall(struct upc_req *req)
 			schedule();
 	}
 	if (blocked)
-		unblock_signals(&old);
+		coda_unblock_signals(&old);
 
 	remove_wait_queue(&req->uc_sleep, &wait);
 	set_current_state(TASK_RUNNING);
-
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