[PATCH 03/17] mm: don't include <linux/blkdev.h> in <linux/backing-dev.h>
From: Christoph Hellwig <hch@lst.de>
Date: 2021-09-20 12:35:18
Also in:
linux-mm
Subsystem:
filesystems (vfs and infrastructure), memory management, memory management - misc, memory technology devices (mtd), ntfs filesystem, ntfs3 filesystem, orangefs filesystem, the rest · Maintainers:
Alexander Viro, Christian Brauner, Andrew Morton, David Hildenbrand, Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Namjae Jeon, Hyunchul Lee, Konstantin Komarov, Mike Marshall, Linus Torvalds
Move inode_to_bdi out of line to avoid having to include blkdev.h. Signed-off-by: Christoph Hellwig <hch@lst.de> --- drivers/mtd/mtdsuper.c | 1 + fs/ntfs/file.c | 1 + fs/ntfs3/file.c | 1 + fs/orangefs/inode.c | 2 +- include/linux/backing-dev.h | 16 +--------------- mm/backing-dev.c | 16 ++++++++++++++++ 6 files changed, 21 insertions(+), 16 deletions(-)
diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c
index 38b6aa849c638..5ff001140ef4a 100644
--- a/drivers/mtd/mtdsuper.c
+++ b/drivers/mtd/mtdsuper.c@@ -15,6 +15,7 @@ #include <linux/slab.h> #include <linux/major.h> #include <linux/backing-dev.h> +#include <linux/blkdev.h> #include <linux/fs_context.h> #include "mtdcore.h"
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index ab4f3362466d0..373dbb6276570 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c@@ -5,6 +5,7 @@ * Copyright (c) 2001-2015 Anton Altaparmakov and Tuxera Inc. */ +#include <linux/blkdev.h> #include <linux/backing-dev.h> #include <linux/buffer_head.h> #include <linux/gfp.h>
diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c
index 424450e77ad52..7592ba8944572 100644
--- a/fs/ntfs3/file.c
+++ b/fs/ntfs3/file.c@@ -8,6 +8,7 @@ */ #include <linux/backing-dev.h> +#include <linux/blkdev.h> #include <linux/buffer_head.h> #include <linux/compat.h> #include <linux/falloc.h>
diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index c1bb4c4b5d672..e5e3e500ed462 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c@@ -10,7 +10,7 @@ * Linux VFS inode operations. */ -#include <linux/bvec.h> +#include <linux/blkdev.h> #include <linux/fileattr.h> #include "protocol.h" #include "orangefs-kernel.h"
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 843bf4be675f3..4ac7ce0960139 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h@@ -12,7 +12,6 @@ #include <linux/kernel.h> #include <linux/fs.h> #include <linux/sched.h> -#include <linux/blkdev.h> #include <linux/device.h> #include <linux/writeback.h> #include <linux/backing-dev-defs.h>
@@ -134,20 +133,7 @@ static inline bool writeback_in_progress(struct bdi_writeback *wb) return test_bit(WB_writeback_running, &wb->state); } -static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) -{ - struct super_block *sb; - - if (!inode) - return &noop_backing_dev_info; - - sb = inode->i_sb; -#ifdef CONFIG_BLOCK - if (sb_is_blkdev_sb(sb)) - return I_BDEV(inode)->bd_disk->bdi; -#endif - return sb->s_bdi; -} +struct backing_dev_info *inode_to_bdi(struct inode *inode); static inline int wb_congested(struct bdi_writeback *wb, int cong_bits) {
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 5245744437dc9..c878d995af06e 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c@@ -978,6 +978,22 @@ void bdi_put(struct backing_dev_info *bdi) } EXPORT_SYMBOL(bdi_put); +struct backing_dev_info *inode_to_bdi(struct inode *inode) +{ + struct super_block *sb; + + if (!inode) + return &noop_backing_dev_info; + + sb = inode->i_sb; +#ifdef CONFIG_BLOCK + if (sb_is_blkdev_sb(sb)) + return I_BDEV(inode)->bd_disk->bdi; +#endif + return sb->s_bdi; +} +EXPORT_SYMBOL(inode_to_bdi); + const char *bdi_dev_name(struct backing_dev_info *bdi) { if (!bdi || !bdi->dev)
--
2.30.2