diff mbox series

[09/91] include: remove pagemap.h from blkdev.h

Message ID 20210507010227.0DASBmef7%akpm@linux-foundation.org (mailing list archive)
State New, archived
Headers show
Series [01/91] alpha: eliminate old-style function definitions | expand

Commit Message

Andrew Morton May 7, 2021, 1:02 a.m. UTC 
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: include: remove pagemap.h from blkdev.h

My UEK-derived config has 1030 files depending on pagemap.h before this
change.  Afterwards, just 326 files need to be rebuilt when I touch
pagemap.h.  I think blkdev.h is probably included too widely, but
untangling that dependency is harder and this solves my problem.  x86
allmodconfig builds, but there may be implicit include problems on other
architectures.

Link: https://lkml.kernel.org/r/20210309195747.283796-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Dan Williams <dan.j.williams@intel.com>		[nvdimm]
Acked-by: Jens Axboe <axboe@kernel.dk>				[block]
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Coly Li <colyli@suse.de>				[bcache]
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>	[scsi]
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 block/blk-settings.c      |    1 +
 drivers/block/brd.c       |    1 +
 drivers/block/loop.c      |    1 +
 drivers/md/bcache/super.c |    1 +
 drivers/nvdimm/btt.c      |    1 +
 drivers/nvdimm/pmem.c     |    1 +
 drivers/scsi/scsicam.c    |    1 +
 include/linux/blkdev.h    |    1 -
 include/linux/swap.h      |    1 +
 9 files changed, 8 insertions(+), 1 deletion(-)
diff mbox series

Patch

--- a/block/blk-settings.c~include-remove-pagemaph-from-blkdevh
+++ a/block/blk-settings.c
@@ -7,6 +7,7 @@ 
 #include <linux/init.h>
 #include <linux/bio.h>
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <linux/gcd.h>
 #include <linux/lcm.h>
 #include <linux/jiffies.h>
--- a/drivers/block/brd.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/block/brd.c
@@ -18,6 +18,7 @@ 
 #include <linux/bio.h>
 #include <linux/highmem.h>
 #include <linux/mutex.h>
+#include <linux/pagemap.h>
 #include <linux/radix-tree.h>
 #include <linux/fs.h>
 #include <linux/slab.h>
--- a/drivers/block/loop.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/block/loop.c
@@ -53,6 +53,7 @@ 
 #include <linux/moduleparam.h>
 #include <linux/sched.h>
 #include <linux/fs.h>
+#include <linux/pagemap.h>
 #include <linux/file.h>
 #include <linux/stat.h>
 #include <linux/errno.h>
--- a/drivers/md/bcache/super.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/md/bcache/super.c
@@ -16,6 +16,7 @@ 
 #include "features.h"
 
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <linux/debugfs.h>
 #include <linux/genhd.h>
 #include <linux/idr.h>
--- a/drivers/nvdimm/btt.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/nvdimm/btt.c
@@ -6,6 +6,7 @@ 
 #include <linux/highmem.h>
 #include <linux/debugfs.h>
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/mutex.h>
--- a/drivers/nvdimm/pmem.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/nvdimm/pmem.c
@@ -8,6 +8,7 @@ 
  */
 
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <linux/hdreg.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
--- a/drivers/scsi/scsicam.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/scsi/scsicam.c
@@ -17,6 +17,7 @@ 
 #include <linux/genhd.h>
 #include <linux/kernel.h>
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <linux/msdos_partition.h>
 #include <asm/unaligned.h>
 
--- a/include/linux/blkdev.h~include-remove-pagemaph-from-blkdevh
+++ a/include/linux/blkdev.h
@@ -11,7 +11,6 @@ 
 #include <linux/minmax.h>
 #include <linux/timer.h>
 #include <linux/workqueue.h>
-#include <linux/pagemap.h>
 #include <linux/backing-dev-defs.h>
 #include <linux/wait.h>
 #include <linux/mempool.h>
--- a/include/linux/swap.h~include-remove-pagemaph-from-blkdevh
+++ a/include/linux/swap.h
@@ -10,6 +10,7 @@ 
 #include <linux/sched.h>
 #include <linux/node.h>
 #include <linux/fs.h>
+#include <linux/pagemap.h>
 #include <linux/atomic.h>
 #include <linux/page-flags.h>
 #include <uapi/linux/mempolicy.h>