#include <linux/limits.h>
#include <linux/ioctl.h>
#include <linux/blk_types.h>
+#include <linux/types.h>
/*
* It's silly to have NR_OPEN bigger than NR_FILE, but you can change
#define SEEK_END 2 /* seek relative to end of file */
#define SEEK_MAX SEEK_END
+struct fstrim_range {
+ uint64_t start;
+ uint64_t len;
+ uint64_t minlen;
+};
+
/* And dynamically-tunable limits and defaults: */
struct files_stat_struct {
unsigned long nr_files; /* read only */
/* Expect random access pattern */
#define FMODE_RANDOM ((__force fmode_t)0x1000)
+/* File is huge (eg. /dev/kmem): treat loff_t as unsigned */
+#define FMODE_UNSIGNED_OFFSET ((__force fmode_t)0x2000)
+
/* File was opened by fanotify and shouldn't generate fanotify events */
#define FMODE_NONOTIFY ((__force fmode_t)0x1000000)
#define S_NOCMTIME 128 /* Do not update file c/mtime */
#define S_SWAPFILE 256 /* Do not truncate: swapon got its bmaps */
#define S_PRIVATE 512 /* Inode is fs-internal */
+#define S_IMA 1024 /* Inode has an associated IMA struct */
/*
* Note that nosuid etc flags are inode-specific: setting some file-system
#define IS_NOCMTIME(inode) ((inode)->i_flags & S_NOCMTIME)
#define IS_SWAPFILE(inode) ((inode)->i_flags & S_SWAPFILE)
#define IS_PRIVATE(inode) ((inode)->i_flags & S_PRIVATE)
+#define IS_IMA(inode) ((inode)->i_flags & S_IMA)
/* the read-only stuff doesn't really belong here, but any other place is
probably as bad and I don't want to create yet another include file. */
#define FIGETBSZ _IO(0x00,2) /* get the block size used for bmap */
#define FIFREEZE _IOWR('X', 119, int) /* Freeze */
#define FITHAW _IOWR('X', 120, int) /* Thaw */
+#define FITRIM _IOWR('X', 121, struct fstrim_range) /* Trim */
#define FS_IOC_GETFLAGS _IOR('f', 1, long)
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
struct inode {
struct hlist_node i_hash;
- struct list_head i_list; /* backing dev IO list */
+ struct list_head i_wb_list; /* backing dev IO list */
+ struct list_head i_lru; /* inode LRU list */
struct list_head i_sb_list;
struct list_head i_dentry;
unsigned long i_ino;
unsigned int i_flags;
+#ifdef CONFIG_IMA
+ /* protected by i_lock */
+ unsigned int i_readcount; /* struct files open RO */
+#endif
atomic_t i_writecount;
#ifdef CONFIG_SECURITY
void *i_security;
void *i_private; /* fs or device private pointer */
};
+static inline int inode_unhashed(struct inode *inode)
+{
+ return hlist_unhashed(&inode->i_hash);
+}
+
/*
* inode->i_mutex nesting subclasses for the lock validator:
*
/* fs/locks.c */
extern void locks_init_lock(struct file_lock *);
+extern struct file_lock * locks_alloc_lock(void);
extern void locks_copy_lock(struct file_lock *, struct file_lock *);
extern void __locks_copy_lock(struct file_lock *, const struct file_lock *);
extern void locks_remove_posix(struct file *, fl_owner_t);
/* SMP safe fasync helpers: */
extern int fasync_helper(int, struct file *, int, struct fasync_struct **);
+extern struct fasync_struct *fasync_insert_entry(int, struct file *, struct fasync_struct **, struct fasync_struct *);
+extern int fasync_remove_entry(struct file *, struct fasync_struct **);
+extern struct fasync_struct *fasync_alloc(void);
+extern void fasync_free(struct fasync_struct *);
+
/* can be called from interrupts */
extern void kill_fasync(struct fasync_struct **, int, int);
ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
#endif
int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);
+ int (*trim_fs) (struct super_block *, struct fstrim_range *);
};
/*
*
* Q: What is the difference between I_WILL_FREE and I_FREEING?
*/
-#define I_DIRTY_SYNC 1
-#define I_DIRTY_DATASYNC 2
-#define I_DIRTY_PAGES 4
+#define I_DIRTY_SYNC (1 << 0)
+#define I_DIRTY_DATASYNC (1 << 1)
+#define I_DIRTY_PAGES (1 << 2)
#define __I_NEW 3
#define I_NEW (1 << __I_NEW)
-#define I_WILL_FREE 16
-#define I_FREEING 32
-#define I_CLEAR 64
+#define I_WILL_FREE (1 << 4)
+#define I_FREEING (1 << 5)
+#define I_CLEAR (1 << 6)
#define __I_SYNC 7
#define I_SYNC (1 << __I_SYNC)
+#define I_REFERENCED (1 << 8)
#define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES)
}
int sync_inode(struct inode *inode, struct writeback_control *wbc);
+int sync_inode_metadata(struct inode *inode, int wait);
struct file_system_type {
const char *name;
int fs_flags;
int (*get_sb) (struct file_system_type *, int,
const char *, void *, struct vfsmount *);
+ struct dentry *(*mount) (struct file_system_type *, int,
+ const char *, void *);
void (*kill_sb) (struct super_block *);
struct module *owner;
struct file_system_type * next;
struct lock_class_key i_alloc_sem_key;
};
-extern int get_sb_ns(struct file_system_type *fs_type, int flags, void *data,
- int (*fill_super)(struct super_block *, void *, int),
- struct vfsmount *mnt);
+extern struct dentry *mount_ns(struct file_system_type *fs_type, int flags,
+ void *data, int (*fill_super)(struct super_block *, void *, int));
+extern struct dentry *mount_bdev(struct file_system_type *fs_type,
+ int flags, const char *dev_name, void *data,
+ int (*fill_super)(struct super_block *, void *, int));
extern int get_sb_bdev(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data,
int (*fill_super)(struct super_block *, void *, int),
struct vfsmount *mnt);
+extern struct dentry *mount_single(struct file_system_type *fs_type,
+ int flags, void *data,
+ int (*fill_super)(struct super_block *, void *, int));
extern int get_sb_single(struct file_system_type *fs_type,
int flags, void *data,
int (*fill_super)(struct super_block *, void *, int),
struct vfsmount *mnt);
+extern struct dentry *mount_nodev(struct file_system_type *fs_type,
+ int flags, void *data,
+ int (*fill_super)(struct super_block *, void *, int));
extern int get_sb_nodev(struct file_system_type *fs_type,
int flags, void *data,
int (*fill_super)(struct super_block *, void *, int),
int (*test)(struct super_block *,void *),
int (*set)(struct super_block *,void *),
void *data);
-extern int get_sb_pseudo(struct file_system_type *, char *,
- const struct super_operations *ops, unsigned long,
- struct vfsmount *mnt);
+extern struct dentry *mount_pseudo(struct file_system_type *, char *,
+ const struct super_operations *ops, unsigned long);
extern void simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
static inline void sb_mark_dirty(struct super_block *sb)
/* /sys/fs */
extern struct kobject *fs_kobj;
+#define MAX_RW_COUNT (INT_MAX & PAGE_CACHE_MASK)
extern int rw_verify_area(int, struct file *, loff_t *, size_t);
#define FLOCK_VERIFY_READ 1
extern int __invalidate_device(struct block_device *);
extern int invalidate_partition(struct gendisk *, int);
#endif
-extern int invalidate_inodes(struct super_block *);
unsigned long invalidate_mapping_pages(struct address_space *mapping,
pgoff_t start, pgoff_t end);
extern int inode_init_always(struct super_block *, struct inode *);
extern void inode_init_once(struct inode *);
-extern void inode_add_to_lists(struct super_block *, struct inode *);
+extern void ihold(struct inode * inode);
extern void iput(struct inode *);
extern struct inode * igrab(struct inode *);
extern ino_t iunique(struct super_block *, ino_t);
extern int insert_inode_locked4(struct inode *, unsigned long, int (*test)(struct inode *, void *), void *);
extern int insert_inode_locked(struct inode *);
extern void unlock_new_inode(struct inode *);
+extern unsigned int get_next_ino(void);
extern void __iget(struct inode * inode);
extern void iget_failed(struct inode *);
extern void end_writeback(struct inode *);
-extern void destroy_inode(struct inode *);
extern void __destroy_inode(struct inode *);
extern struct inode *new_inode(struct super_block *);
extern int should_remove_suid(struct dentry *);
extern void __insert_inode_hash(struct inode *, unsigned long hashval);
extern void remove_inode_hash(struct inode *);
-static inline void insert_inode_hash(struct inode *inode) {
+static inline void insert_inode_hash(struct inode *inode)
+{
__insert_inode_hash(inode, inode->i_ino);
}
+extern void inode_sb_list_add(struct inode *inode);
#ifdef CONFIG_BLOCK
extern void submit_bio(int, struct bio *);
struct ctl_table;
int proc_nr_files(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
-
+int proc_nr_dentry(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos);
+int proc_nr_inodes(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos);
int __init get_filesystem_list(char *buf);
#define ACC_MODE(x) ("\004\002\006\006"[(x)&O_ACCMODE])
git.openpandora.org / pandora-kernel.git / blobdiff