linux-kernel - [PATCH -next] zram: fix build errors, depends on BLOCK

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Message-Id: <20100623202709.4ecb798c.randy.dunlap@oracle.com>
Date:	Wed, 23 Jun 2010 20:27:09 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Nitin Gupta <ngupta@...are.org>, devel@...verdev.osuosl.org
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	gregkh@...e.de
Subject: [PATCH -next] zram: fix build errors, depends on BLOCK

From: Randy Dunlap <randy.dunlap@...cle.com>

Fix 49 zram build errors in one swoop.  Examples:

drivers/staging/zram/zram_drv.c:225: error: dereferencing pointer to incomplete type
drivers/staging/zram/zram_drv.c:226: error: implicit declaration of function 'bio_for_each_segment'
drivers/staging/zram/zram_drv.c:226: error: expected ';' before '{' token
drivers/staging/zram/zram_drv.c:281: error: implicit declaration of function 'bio_endio'
drivers/staging/zram/zram_drv.c:285: error: implicit declaration of function 'bio_io_error'
drivers/staging/zram/zram_drv.c:545: error: implicit declaration of function 'set_capacity'
drivers/staging/zram/zram_drv.c:548: error: implicit declaration of function 'queue_flag_set_unlocked'
drivers/staging/zram/zram_drv.c:548: error: 'QUEUE_FLAG_NONROT' undeclared (first use in this function)
drivers/staging/zram/zram_drv.c:548: error: dereferencing pointer to incomplete type

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
Cc:	devel@...verdev.osuosl.org
Cc:	Nitin Gupta <ngupta@...are.org>
---
 drivers/staging/zram/Kconfig    |    1 +
 drivers/staging/zram/zram_drv.c |    1 +
 2 files changed, 2 insertions(+)

--- linux-next-20100623.orig/drivers/staging/zram/Kconfig
+++ linux-next-20100623/drivers/staging/zram/Kconfig
@@ -1,5 +1,6 @@
 config ZRAM
 	tristate "Compressed RAM block device support"
+	depends on BLOCK
 	select LZO_COMPRESS
 	select LZO_DECOMPRESS
 	default n
--- linux-next-20100623.orig/drivers/staging/zram/zram_drv.c
+++ linux-next-20100623/drivers/staging/zram/zram_drv.c
@@ -17,6 +17,7 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/bio.h>
 #include <linux/bitops.h>
 #include <linux/blkdev.h>
 #include <linux/buffer_head.h>
--
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