diff options
| -rw-r--r-- | fs/affs/file.c | 1 | ||||
| -rw-r--r-- | fs/hfs/inode.c | 1 | ||||
| -rw-r--r-- | fs/internal.h | 17 | ||||
| -rw-r--r-- | fs/ntfs/dir.c | 1 | ||||
| -rw-r--r-- | fs/proc/devices.c | 1 | ||||
| -rw-r--r-- | fs/quota/dquot.c | 1 | ||||
| -rw-r--r-- | fs/reiserfs/procfs.c | 1 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 46 | ||||
| -rw-r--r-- | include/linux/fs.h | 92 | ||||
| -rw-r--r-- | include/linux/genhd.h | 27 | ||||
| -rw-r--r-- | include/linux/jbd2.h | 1 | ||||
| -rw-r--r-- | security/loadpin/loadpin.c | 1 |
12 files changed, 96 insertions, 94 deletions
diff --git a/fs/affs/file.c b/fs/affs/file.c index a85817f54483..a26a0f96c119 100644 --- a/fs/affs/file.c +++ b/fs/affs/file.c @@ -14,6 +14,7 @@ */ #include <linux/uio.h> +#include <linux/blkdev.h> #include "affs.h" static struct buffer_head *affs_get_extblock_slow(struct inode *inode, u32 ext); diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 2f224b98ee94..f35a37c65e5f 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -17,6 +17,7 @@ #include <linux/cred.h> #include <linux/uio.h> #include <linux/xattr.h> +#include <linux/blkdev.h> #include "hfs_fs.h" #include "btree.h" diff --git a/fs/internal.h b/fs/internal.h index 9b863a7bd708..969988d3d397 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -23,7 +23,9 @@ struct user_namespace; extern void __init bdev_cache_init(void); extern int __sync_blockdev(struct block_device *bdev, int wait); - +void iterate_bdevs(void (*)(struct block_device *, void *), void *); +void emergency_thaw_bdev(struct super_block *sb); +void bd_forget(struct inode *inode); #else static inline void bdev_cache_init(void) { @@ -33,7 +35,18 @@ static inline int __sync_blockdev(struct block_device *bdev, int wait) { return 0; } -#endif +static inline void iterate_bdevs(void (*f)(struct block_device *, void *), + void *arg) +{ +} +static inline int emergency_thaw_bdev(struct super_block *sb) +{ + return 0; +} +static inline void bd_forget(struct inode *inode) +{ +} +#endif /* CONFIG_BLOCK */ /* * buffer.c diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c index 3c4811469ae8..a87d4391e6b5 100644 --- a/fs/ntfs/dir.c +++ b/fs/ntfs/dir.c @@ -8,6 +8,7 @@ #include <linux/buffer_head.h> #include <linux/slab.h> +#include <linux/blkdev.h> #include "dir.h" #include "aops.h" diff --git a/fs/proc/devices.c b/fs/proc/devices.c index 37d38697eaf8..837971e74109 100644 --- a/fs/proc/devices.c +++ b/fs/proc/devices.c @@ -3,6 +3,7 @@ #include <linux/init.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <linux/blkdev.h> static int devinfo_show(struct seq_file *f, void *v) { diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 7b4bac91146b..bb02989d92b6 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -78,6 +78,7 @@ #include <linux/namei.h> #include <linux/capability.h> #include <linux/quotaops.h> +#include <linux/blkdev.h> #include "../internal.h" /* ugh */ #include <linux/uaccess.h> diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c index ff336513c254..155b82870333 100644 --- a/fs/reiserfs/procfs.c +++ b/fs/reiserfs/procfs.c @@ -15,6 +15,7 @@ #include "reiserfs.h" #include <linux/init.h> #include <linux/proc_fs.h> +#include <linux/blkdev.h> /* * LOCKING: diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index c0701237116d..cf8f692f62a9 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1918,4 +1918,50 @@ static inline void bio_end_io_acct(struct bio *bio, unsigned long start_time) } #endif /* CONFIG_BLOCK */ +int bdev_read_only(struct block_device *bdev); +int set_blocksize(struct block_device *bdev, int size); + +const char *bdevname(struct block_device *bdev, char *buffer); +struct block_device *lookup_bdev(const char *); + +void blkdev_show(struct seq_file *seqf, off_t offset); + +#define BDEVNAME_SIZE 32 /* Largest string for a blockdev identifier */ +#define BDEVT_SIZE 10 /* Largest string for MAJ:MIN for blkdev */ +#ifdef CONFIG_BLOCK +#define BLKDEV_MAJOR_MAX 512 +#else +#define BLKDEV_MAJOR_MAX 0 +#endif + +int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder); +struct block_device *blkdev_get_by_path(const char *path, fmode_t mode, + void *holder); +struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder); +struct block_device *bd_start_claiming(struct block_device *bdev, void *holder); +void bd_abort_claiming(struct block_device *bdev, struct block_device *whole, + void *holder); +void blkdev_put(struct block_device *bdev, fmode_t mode); + +struct block_device *bdget(dev_t); +struct block_device *bdgrab(struct block_device *bdev); +void bdput(struct block_device *); + +#ifdef CONFIG_BLOCK +void invalidate_bdev(struct block_device *bdev); +int sync_blockdev(struct block_device *bdev); +#else +static inline void invalidate_bdev(struct block_device *bdev) +{ +} +static inline int sync_blockdev(struct block_device *bdev) +{ + return 0; +} #endif +int fsync_bdev(struct block_device *bdev); + +struct super_block *freeze_bdev(struct block_device *bdev); +int thaw_bdev(struct block_device *bdev, struct super_block *sb); + +#endif /* _LINUX_BLKDEV_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 7f3ae38335d4..add30c3bdf9a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2563,79 +2563,10 @@ static inline bool sb_is_blkdev_sb(struct super_block *sb) return IS_ENABLED(CONFIG_BLOCK) && sb == blockdev_superblock; } -#ifdef CONFIG_BLOCK -extern int register_blkdev(unsigned int, const char *); -extern void unregister_blkdev(unsigned int, const char *); -extern struct block_device *bdget(dev_t); -extern struct block_device *bdgrab(struct block_device *bdev); -extern void bd_set_size(struct block_device *, loff_t size); -extern void bd_forget(struct inode *inode); -extern void bdput(struct block_device *); -extern void invalidate_bdev(struct block_device *); -extern void iterate_bdevs(void (*)(struct block_device *, void *), void *); -extern int sync_blockdev(struct block_device *bdev); -extern struct super_block *freeze_bdev(struct block_device *); -extern void emergency_thaw_bdev(struct super_block *sb); -extern int thaw_bdev(struct block_device *bdev, struct super_block *sb); -extern int fsync_bdev(struct block_device *); -#else -static inline void bd_forget(struct inode *inode) {} -static inline int sync_blockdev(struct block_device *bdev) { return 0; } -static inline void invalidate_bdev(struct block_device *bdev) {} - -static inline struct super_block *freeze_bdev(struct block_device *sb) -{ - return NULL; -} - -static inline int thaw_bdev(struct block_device *bdev, struct super_block *sb) -{ - return 0; -} - -static inline int emergency_thaw_bdev(struct super_block *sb) -{ - return 0; -} - -static inline void iterate_bdevs(void (*f)(struct block_device *, void *), void *arg) -{ -} -#endif void emergency_thaw_all(void); extern int sync_filesystem(struct super_block *); extern const struct file_operations def_blk_fops; extern const struct file_operations def_chr_fops; -#ifdef CONFIG_BLOCK -extern int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long); -extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long); -extern int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder); -extern struct block_device *blkdev_get_by_path(const char *path, fmode_t mode, - void *holder); -extern struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, - void *holder); -extern struct block_device *bd_start_claiming(struct block_device *bdev, - void *holder); -extern void bd_abort_claiming(struct block_device *bdev, - struct block_device *whole, void *holder); -extern void blkdev_put(struct block_device *bdev, fmode_t mode); - -#ifdef CONFIG_SYSFS -extern int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk); -extern void bd_unlink_disk_holder(struct block_device *bdev, - struct gendisk *disk); -#else -static inline int bd_link_disk_holder(struct block_device *bdev, - struct gendisk *disk) -{ - return 0; -} -static inline void bd_unlink_disk_holder(struct block_device *bdev, - struct gendisk *disk) -{ -} -#endif -#endif /* fs/char_dev.c */ #define CHRDEV_MAJOR_MAX 512 @@ -2666,31 +2597,12 @@ static inline void unregister_chrdev(unsigned int major, const char *name) __unregister_chrdev(major, 0, 256, name); } -/* fs/block_dev.c */ -#define BDEVNAME_SIZE 32 /* Largest string for a blockdev identifier */ -#define BDEVT_SIZE 10 /* Largest string for MAJ:MIN for blkdev */ - -#ifdef CONFIG_BLOCK -#define BLKDEV_MAJOR_MAX 512 -extern const char *bdevname(struct block_device *bdev, char *buffer); -extern struct block_device *lookup_bdev(const char *); -extern void blkdev_show(struct seq_file *,off_t); - -#else -#define BLKDEV_MAJOR_MAX 0 -#endif - extern void init_special_inode(struct inode *, umode_t, dev_t); /* Invalid inode operations -- fs/bad_inode.c */ extern void make_bad_inode(struct inode *); extern bool is_bad_inode(struct inode *); -#ifdef CONFIG_BLOCK -extern int revalidate_disk(struct gendisk *); -extern int check_disk_change(struct block_device *); -extern int __invalidate_device(struct block_device *, bool); -#endif unsigned long invalidate_mapping_pages(struct address_space *mapping, pgoff_t start, pgoff_t end); @@ -3090,10 +3002,6 @@ static inline void remove_inode_hash(struct inode *inode) extern void inode_sb_list_add(struct inode *inode); -#ifdef CONFIG_BLOCK -extern int bdev_read_only(struct block_device *); -#endif -extern int set_blocksize(struct block_device *, int); extern int sb_set_blocksize(struct super_block *, int); extern int sb_min_blocksize(struct super_block *, int); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 392aad5e29a2..83f8e0d83228 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -373,6 +373,33 @@ extern void blk_unregister_region(dev_t devt, unsigned long range); #define alloc_disk(minors) alloc_disk_node(minors, NUMA_NO_NODE) +int register_blkdev(unsigned int major, const char *name); +void unregister_blkdev(unsigned int major, const char *name); + +int revalidate_disk(struct gendisk *disk); +int check_disk_change(struct block_device *bdev); +int __invalidate_device(struct block_device *bdev, bool kill_dirty); +void bd_set_size(struct block_device *bdev, loff_t size); + +/* for drivers/char/raw.c: */ +int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long); +long compat_blkdev_ioctl(struct file *, unsigned, unsigned long); + +#ifdef CONFIG_SYSFS +int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk); +void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk); +#else +static inline int bd_link_disk_holder(struct block_device *bdev, + struct gendisk *disk) +{ + return 0; +} +static inline void bd_unlink_disk_holder(struct block_device *bdev, + struct gendisk *disk) +{ +} +#endif /* CONFIG_SYSFS */ + #else /* CONFIG_BLOCK */ static inline void printk_all_partitions(void) { } diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index d56128df2aff..4aaa29772bb0 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -27,6 +27,7 @@ #include <linux/timer.h> #include <linux/slab.h> #include <linux/bit_spinlock.h> +#include <linux/blkdev.h> #include <crypto/hash.h> #endif diff --git a/security/loadpin/loadpin.c b/security/loadpin/loadpin.c index ee5cb944f4ad..670a1aebb8a1 100644 --- a/security/loadpin/loadpin.c +++ b/security/loadpin/loadpin.c @@ -13,6 +13,7 @@ #include <linux/fs.h> #include <linux/lsm_hooks.h> #include <linux/mount.h> +#include <linux/blkdev.h> #include <linux/path.h> #include <linux/sched.h> /* current */ #include <linux/string_helpers.h> |