cpuidle / sleep: Use broadcast timer for states that stop local timer

[cascardo/linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 241c3c0..b4d71b5 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -51,6 +51,7 @@ struct swap_info_struct;
 struct seq_file;
 struct workqueue_struct;
 struct iov_iter;
+struct vm_fault;
 
 extern void __init inode_init(void);
 extern void __init inode_init_early(void);
@@ -361,8 +362,6 @@ struct address_space_operations {
        int (*releasepage) (struct page *, gfp_t);
        void (*freepage)(struct page *);
        ssize_t (*direct_IO)(int, struct kiocb *, struct iov_iter *iter, loff_t offset);
-       int (*get_xip_mem)(struct address_space *, pgoff_t, int,
-                                               void **, unsigned long *);
        /*
         * migrate the contents of a page to the specified target. If
         * migrate_mode is MIGRATE_ASYNC, it must not block.
@@ -969,9 +968,6 @@ struct file_lock_context {
        struct list_head        flc_flock;
        struct list_head        flc_posix;
        struct list_head        flc_lease;
-       int                     flc_flock_cnt;
-       int                     flc_posix_cnt;
-       int                     flc_lease_cnt;
 };
 
 /* The following constant reflects the upper bound of the file/locking space */
@@ -1677,7 +1673,7 @@ struct super_operations {
 #define S_IMA          1024    /* Inode has an associated IMA struct */
 #define S_AUTOMOUNT    2048    /* Automount/referral quasi-directory */
 #define S_NOSEC                4096    /* no suid or xattr security attributes */
-#ifdef CONFIG_FS_XIP
+#ifdef CONFIG_FS_DAX
 #define S_DAX          8192    /* Direct Access, avoiding the page cache */
 #else
 #define S_DAX          0       /* Make all the DAX code disappear */
@@ -1791,8 +1787,12 @@ struct super_operations {
 #define __I_DIO_WAKEUP         9
 #define I_DIO_WAKEUP           (1 << I_DIO_WAKEUP)
 #define I_LINKABLE             (1 << 10)
+#define I_DIRTY_TIME           (1 << 11)
+#define __I_DIRTY_TIME_EXPIRED 12
+#define I_DIRTY_TIME_EXPIRED   (1 << __I_DIRTY_TIME_EXPIRED)
 
 #define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES)
+#define I_DIRTY_ALL (I_DIRTY | I_DIRTY_TIME)
 
 extern void __mark_inode_dirty(struct inode *, int);
 static inline void mark_inode_dirty(struct inode *inode)
@@ -1955,6 +1955,7 @@ extern int current_umask(void);
 
 extern void ihold(struct inode * inode);
 extern void iput(struct inode *);
+extern int generic_update_time(struct inode *, struct timespec *, int);
 
 static inline struct inode *file_inode(const struct file *f)
 {
@@ -2142,6 +2143,7 @@ struct filename {
        const char              *name;  /* pointer to actual string */
        const __user char       *uptr;  /* original userland pointer */
        struct audit_names      *aname;
+       int                     refcnt;
        bool                    separate; /* should "name" be freed? */
 };
 
@@ -2163,6 +2165,7 @@ extern int filp_close(struct file *, fl_owner_t id);
 extern struct filename *getname_flags(const char __user *, int, int *);
 extern struct filename *getname(const char __user *);
 extern struct filename *getname_kernel(const char *);
+extern void putname(struct filename *name);
 
 enum {
        FILE_CREATED = 1,
@@ -2183,15 +2186,8 @@ extern void __init vfs_caches_init(unsigned long);
 
 extern struct kmem_cache *names_cachep;
 
-extern void final_putname(struct filename *name);
-
 #define __getname()            kmem_cache_alloc(names_cachep, GFP_KERNEL)
 #define __putname(name)                kmem_cache_free(names_cachep, (void *)(name))
-#ifndef CONFIG_AUDITSYSCALL
-#define putname(name)          final_putname(name)
-#else
-extern void putname(struct filename *name);
-#endif
 
 #ifdef CONFIG_BLOCK
 extern int register_blkdev(unsigned int, const char *);
@@ -2498,6 +2494,11 @@ extern struct inode *ilookup(struct super_block *sb, unsigned long ino);
 
 extern struct inode * iget5_locked(struct super_block *, unsigned long, int (*test)(struct inode *, void *), int (*set)(struct inode *, void *), void *);
 extern struct inode * iget_locked(struct super_block *, unsigned long);
+extern struct inode *find_inode_nowait(struct super_block *,
+                                      unsigned long,
+                                      int (*match)(struct inode *,
+                                                   unsigned long, void *),
+                                      void *data);
 extern int insert_inode_locked4(struct inode *, unsigned long, int (*test)(struct inode *, void *), void *);
 extern int insert_inode_locked(struct inode *);
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
@@ -2554,6 +2555,9 @@ extern ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t l
 extern ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos);
 extern ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos);
 
+ssize_t vfs_iter_read(struct file *file, struct iov_iter *iter, loff_t *ppos);
+ssize_t vfs_iter_write(struct file *file, struct iov_iter *iter, loff_t *ppos);
+
 /* fs/block_dev.c */
 extern ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to);
 extern ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from);
@@ -2589,16 +2593,11 @@ extern int nonseekable_open(struct inode * inode, struct file * filp);
 
 ssize_t dax_do_io(int rw, struct kiocb *, struct inode *, struct iov_iter *,
                loff_t, get_block_t, dio_iodone_t, int flags);
-
-#ifdef CONFIG_FS_XIP
-extern int xip_file_mmap(struct file * file, struct vm_area_struct * vma);
-extern int xip_truncate_page(struct address_space *mapping, loff_t from);
-#else
-static inline int xip_truncate_page(struct address_space *mapping, loff_t from)
-{
-       return 0;
-}
-#endif
+int dax_clear_blocks(struct inode *, sector_t block, long size);
+int dax_zero_page_range(struct inode *, loff_t from, unsigned len, get_block_t);
+int dax_truncate_page(struct inode *, loff_t from, get_block_t);
+int dax_fault(struct vm_area_struct *, struct vm_fault *, get_block_t);
+#define dax_mkwrite(vma, vmf, gb)      dax_fault(vma, vmf, gb)
 
 #ifdef CONFIG_BLOCK
 typedef void (dio_submit_t)(int rw, struct bio *bio, struct inode *inode,