[PATCH] remove ->get_blocks() support

[safe/jmp/linux-2.6] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0ad70c1..9d96749 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -65,6 +65,11 @@ extern int dir_notify_enable;
 #define FMODE_PREAD    8
 #define FMODE_PWRITE   FMODE_PREAD     /* These go hand in hand */
 
+/* File is being opened for execution. Primary users of this flag are
+   distributed filesystems that can use it to achieve correct ETXTBUSY
+   behavior for cross-node execution/opening_for_writing of files */
+#define FMODE_EXEC     16
+
 #define RW_MASK                1
 #define RWA_MASK       2
 #define READ 0
@@ -247,9 +252,6 @@ extern void __init files_init(unsigned long);
 struct buffer_head;
 typedef int (get_block_t)(struct inode *inode, sector_t iblock,
                        struct buffer_head *bh_result, int create);
-typedef int (get_blocks_t)(struct inode *inode, sector_t iblock,
-                       unsigned long max_blocks,
-                       struct buffer_head *bh_result, int create);
 typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
                        ssize_t bytes, void *private);
 
@@ -345,12 +347,12 @@ struct writeback_control;
 struct address_space_operations {
        int (*writepage)(struct page *page, struct writeback_control *wbc);
        int (*readpage)(struct file *, struct page *);
-       int (*sync_page)(struct page *);
+       void (*sync_page)(struct page *);
 
        /* Write back some dirty pages from this mapping. */
        int (*writepages)(struct address_space *, struct writeback_control *);
 
-       /* Set a page dirty */
+       /* Set a page dirty.  Return true if this dirtied it */
        int (*set_page_dirty)(struct page *page);
 
        int (*readpages)(struct file *filp, struct address_space *mapping,
@@ -364,7 +366,7 @@ struct address_space_operations {
        int (*commit_write)(struct file *, struct page *, unsigned, unsigned);
        /* Unfortunately this kludge is needed for FIBMAP. Don't use it */
        sector_t (*bmap)(struct address_space *, sector_t);
-       int (*invalidatepage) (struct page *, unsigned long);
+       void (*invalidatepage) (struct page *, unsigned long);
        int (*releasepage) (struct page *, gfp_t);
        ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
                        loff_t offset, unsigned long nr_segs);
@@ -485,7 +487,7 @@ struct inode {
        unsigned int            i_blkbits;
        unsigned long           i_blksize;
        unsigned long           i_version;
-       unsigned long           i_blocks;
+       blkcnt_t                i_blocks;
        unsigned short          i_bytes;
        spinlock_t              i_lock; /* i_blocks, i_bytes, maybe i_size */
        struct mutex            i_mutex;
@@ -673,7 +675,6 @@ extern spinlock_t files_lock;
 #define FL_POSIX       1
 #define FL_FLOCK       2
 #define FL_ACCESS      8       /* not trying to lock, just looking */
-#define FL_LOCKD       16      /* lock held by rpc.lockd */
 #define FL_LEASE       32      /* lease held on this file */
 #define FL_SLEEP       128     /* A blocking lock */
 
@@ -737,8 +738,6 @@ struct file_lock {
 #define OFFT_OFFSET_MAX        INT_LIMIT(off_t)
 #endif
 
-extern struct list_head file_lock_list;
-
 #include <linux/fcntl.h>
 
 extern int fcntl_getlk(struct file *, struct flock __user *);
@@ -760,10 +759,10 @@ extern void locks_init_lock(struct file_lock *);
 extern void locks_copy_lock(struct file_lock *, struct file_lock *);
 extern void locks_remove_posix(struct file *, fl_owner_t);
 extern void locks_remove_flock(struct file *);
-extern struct file_lock *posix_test_lock(struct file *, struct file_lock *);
+extern int posix_test_lock(struct file *, struct file_lock *, struct file_lock *);
+extern int posix_lock_file_conf(struct file *, struct file_lock *, struct file_lock *);
 extern int posix_lock_file(struct file *, struct file_lock *);
 extern int posix_lock_file_wait(struct file *, struct file_lock *);
-extern void posix_block_lock(struct file_lock *, struct file_lock *);
 extern int posix_unblock_lock(struct file *, struct file_lock *);
 extern int posix_locks_deadlock(struct file_lock *, struct file_lock *);
 extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl);
@@ -1092,6 +1091,7 @@ struct super_operations {
        void (*umount_begin) (struct super_block *);
 
        int (*show_options)(struct seq_file *, struct vfsmount *);
+       int (*show_stats)(struct seq_file *, struct vfsmount *);
 
        ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t);
        ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
@@ -1478,6 +1478,7 @@ extern int wait_on_page_writeback_range(struct address_space *mapping,
 extern int __filemap_fdatawrite_range(struct address_space *mapping,
                                loff_t start, loff_t end, int sync_mode);
 
+extern long do_fsync(struct file *file, int datasync);
 extern void sync_supers(void);
 extern void sync_filesystems(int wait);
 extern void emergency_sync(void);
@@ -1557,7 +1558,6 @@ extern void destroy_inode(struct inode *);
 extern struct inode *new_inode(struct super_block *);
 extern int remove_suid(struct dentry *);
 extern void remove_dquot_ref(struct super_block *, int, struct list_head *);
-extern struct mutex iprune_mutex;
 
 extern void __insert_inode_hash(struct inode *, unsigned long hashval);
 extern void remove_inode_hash(struct inode *);
@@ -1642,7 +1642,7 @@ static inline void do_generic_file_read(struct file * filp, loff_t *ppos,
 
 ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
        struct block_device *bdev, const struct iovec *iov, loff_t offset,
-       unsigned long nr_segs, get_blocks_t get_blocks, dio_iodone_t end_io,
+       unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
        int lock_type);
 
 enum {
@@ -1653,29 +1653,29 @@ enum {
 
 static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
        struct inode *inode, struct block_device *bdev, const struct iovec *iov,
-       loff_t offset, unsigned long nr_segs, get_blocks_t get_blocks,
+       loff_t offset, unsigned long nr_segs, get_block_t get_block,
        dio_iodone_t end_io)
 {
        return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
-                               nr_segs, get_blocks, end_io, DIO_LOCKING);
+                               nr_segs, get_block, end_io, DIO_LOCKING);
 }
 
 static inline ssize_t blockdev_direct_IO_no_locking(int rw, struct kiocb *iocb,
        struct inode *inode, struct block_device *bdev, const struct iovec *iov,
-       loff_t offset, unsigned long nr_segs, get_blocks_t get_blocks,
+       loff_t offset, unsigned long nr_segs, get_block_t get_block,
        dio_iodone_t end_io)
 {
        return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
-                               nr_segs, get_blocks, end_io, DIO_NO_LOCKING);
+                               nr_segs, get_block, end_io, DIO_NO_LOCKING);
 }
 
 static inline ssize_t blockdev_direct_IO_own_locking(int rw, struct kiocb *iocb,
        struct inode *inode, struct block_device *bdev, const struct iovec *iov,
-       loff_t offset, unsigned long nr_segs, get_blocks_t get_blocks,
+       loff_t offset, unsigned long nr_segs, get_block_t get_block,
        dio_iodone_t end_io)
 {
        return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
-                               nr_segs, get_blocks, end_io, DIO_OWN_LOCKING);
+                               nr_segs, get_block, end_io, DIO_OWN_LOCKING);
 }
 
 extern struct file_operations generic_ro_fops;