1 files changed, 63 insertions, 4 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 6eafbe309483..5baf3a153403 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -79,8 +79,8 @@ extern int dir_notify_enable;
 #define WRITE 1
 #define READA 2         /* read-ahead  - don't block if no resources */
 #define SWRITE 3        /* for ll_rw_block() - wait for buffer lock */
-#define SPECIAL 4       /* For non-blockdevice requests in request queue */
 #define READ_SYNC       (READ | (1 << BIO_RW_SYNC))
+#define READ_META       (READ | (1 << BIO_RW_META))
 #define WRITE_SYNC      (WRITE | (1 << BIO_RW_SYNC))
 #define WRITE_BARRIER   ((1 << BIO_RW) | (1 << BIO_RW_BARRIER))
 
@@ -217,6 +217,45 @@ extern int dir_notify_enable;
 #define FIBMAP     _IO(0x00,1)  /* bmap access */
 #define FIGETBSZ   _IO(0x00,2)  /* get the block size used for bmap */
 
+#define FS_IOC_GETFLAGS                 _IOR('f', 1, long)
+#define FS_IOC_SETFLAGS                 _IOW('f', 2, long)
+#define FS_IOC_GETVERSION               _IOR('v', 1, long)
+#define FS_IOC_SETVERSION               _IOW('v', 2, long)
+#define FS_IOC32_GETFLAGS               _IOR('f', 1, int)
+#define FS_IOC32_SETFLAGS               _IOW('f', 2, int)
+#define FS_IOC32_GETVERSION             _IOR('v', 1, int)
+#define FS_IOC32_SETVERSION             _IOW('v', 2, int)
+
+/*
+ * Inode flags (FS_IOC_GETFLAGS / FS_IOC_SETFLAGS)
+ */
+#define FS_SECRM_FL                     0x00000001 /* Secure deletion */
+#define FS_UNRM_FL                      0x00000002 /* Undelete */
+#define FS_COMPR_FL                     0x00000004 /* Compress file */
+#define FS_SYNC_FL                      0x00000008 /* Synchronous updates */
+#define FS_IMMUTABLE_FL                 0x00000010 /* Immutable file */
+#define FS_APPEND_FL                    0x00000020 /* writes to file may only append */
+#define FS_NODUMP_FL                    0x00000040 /* do not dump file */
+#define FS_NOATIME_FL                   0x00000080 /* do not update atime */
+/* Reserved for compression usage... */
+#define FS_DIRTY_FL                     0x00000100
+#define FS_COMPRBLK_FL                  0x00000200 /* One or more compressed clusters */
+#define FS_NOCOMP_FL                    0x00000400 /* Don't compress */
+#define FS_ECOMPR_FL                    0x00000800 /* Compression error */
+/* End compression flags --- maybe not all used */
+#define FS_BTREE_FL                     0x00001000 /* btree format dir */
+#define FS_INDEX_FL                     0x00001000 /* hash-indexed directory */
+#define FS_IMAGIC_FL                    0x00002000 /* AFS directory */
+#define FS_JOURNAL_DATA_FL              0x00004000 /* Reserved for ext3 */
+#define FS_NOTAIL_FL                    0x00008000 /* file tail should not be merged */
+#define FS_DIRSYNC_FL                   0x00010000 /* dirsync behaviour (directories only) */
+#define FS_TOPDIR_FL                    0x00020000 /* Top of directory hierarchies*/
+#define FS_RESERVED_FL                  0x80000000 /* reserved for ext2 lib */
+
+#define FS_FL_USER_VISIBLE              0x0003DFFF /* User visible flags */
+#define FS_FL_USER_MODIFIABLE           0x000380FF /* User modifiable flags */
+
+
 #define SYNC_FILE_RANGE_WAIT_BEFORE     1
 #define SYNC_FILE_RANGE_WRITE           2
 #define SYNC_FILE_RANGE_WAIT_AFTER      4
@@ -1443,6 +1482,7 @@ extern void __init vfs_caches_init(unsigned long);
 extern void putname(const char *name);
 #endif
 
+#ifdef CONFIG_BLOCK
 extern int register_blkdev(unsigned int, const char *);
 extern int unregister_blkdev(unsigned int, const char *);
 extern struct block_device *bdget(dev_t);
@@ -1451,11 +1491,15 @@ extern void bd_forget(struct inode *inode);
 extern void bdput(struct block_device *);
 extern struct block_device *open_by_devnum(dev_t, unsigned);
 extern struct block_device *open_partition_by_devnum(dev_t, unsigned);
-extern const struct file_operations def_blk_fops;
 extern const struct address_space_operations def_blk_aops;
+#else
+static inline void bd_forget(struct inode *inode) {}
+#endif
+extern const struct file_operations def_blk_fops;
 extern const struct file_operations def_chr_fops;
 extern const struct file_operations bad_sock_fops;
 extern const struct file_operations def_fifo_fops;
+#ifdef CONFIG_BLOCK
 extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
 extern int blkdev_ioctl(struct inode *, struct file *, unsigned, unsigned long);
 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
@@ -1471,6 +1515,7 @@ extern void bd_release_from_disk(struct block_device *, struct gendisk *);
 #define bd_claim_by_disk(bdev, holder, disk)    bd_claim(bdev, holder)
 #define bd_release_from_disk(bdev, disk)        bd_release(bdev)
 #endif
+#endif
 
 /* fs/char_dev.c */
 #define CHRDEV_MAJOR_HASH_SIZE  255
@@ -1484,14 +1529,19 @@ extern int chrdev_open(struct inode *, struct file *);
 extern void chrdev_show(struct seq_file *,off_t);
 
 /* fs/block_dev.c */
-#define BLKDEV_MAJOR_HASH_SIZE  255
 #define BDEVNAME_SIZE   32      /* Largest string for a blockdev identifier */
+
+#ifdef CONFIG_BLOCK
+#define BLKDEV_MAJOR_HASH_SIZE  255
 extern const char *__bdevname(dev_t, char *buffer);
 extern const char *bdevname(struct block_device *bdev, char *buffer);
 extern struct block_device *lookup_bdev(const char *);
 extern struct block_device *open_bdev_excl(const char *, int, void *);
 extern void close_bdev_excl(struct block_device *);
 extern void blkdev_show(struct seq_file *,off_t);
+#else
+#define BLKDEV_MAJOR_HASH_SIZE  0
+#endif
 
 extern void init_special_inode(struct inode *, umode_t, dev_t);
 
@@ -1505,6 +1555,7 @@ extern const struct file_operations rdwr_fifo_fops;
 
 extern int fs_may_remount_ro(struct super_block *);
 
+#ifdef CONFIG_BLOCK
 /*
  * return READ, READA, or WRITE
  */
@@ -1516,9 +1567,10 @@ extern int fs_may_remount_ro(struct super_block *);
 #define bio_data_dir(bio)       ((bio)->bi_rw & 1)
 
 extern int check_disk_change(struct block_device *);
-extern int invalidate_inodes(struct super_block *);
 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);
 unsigned long invalidate_inode_pages(struct address_space *mapping);
@@ -1546,11 +1598,14 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping,
 extern long do_fsync(struct file *file, int datasync);
 extern void sync_supers(void);
 extern void sync_filesystems(int wait);
+extern void __fsync_super(struct super_block *sb);
 extern void emergency_sync(void);
 extern void emergency_remount(void);
 extern int do_remount_sb(struct super_block *sb, int flags,
                          void *data, int force);
+#ifdef CONFIG_BLOCK
 extern sector_t bmap(struct inode *, sector_t);
+#endif
 extern int notify_change(struct dentry *, struct iattr *);
 extern int permission(struct inode *, int, struct nameidata *);
 extern int generic_permission(struct inode *, int,
@@ -1633,9 +1688,11 @@ static inline void insert_inode_hash(struct inode *inode) {
 extern struct file * get_empty_filp(void);
 extern void file_move(struct file *f, struct list_head *list);
 extern void file_kill(struct file *f);
+#ifdef CONFIG_BLOCK
 struct bio;
 extern void submit_bio(int, struct bio *);
 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);
@@ -1716,6 +1773,7 @@ static inline void do_generic_file_read(struct file * filp, loff_t *ppos,
                                 actor);
 }
 
+#ifdef CONFIG_BLOCK
 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_block_t get_block, dio_iodone_t end_io,
@@ -1753,6 +1811,7 @@ static inline ssize_t blockdev_direct_IO_own_locking(int rw, struct kiocb *iocb,
         return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
                                 nr_segs, get_block, end_io, DIO_OWN_LOCKING);
 }
+#endif
 
 extern const struct file_operations generic_ro_fops;