9 files changed, 60 insertions, 52 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index b4fe68fe3a57..a135256b272c 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -717,10 +717,10 @@ extern void blk_plug_device(struct request_queue *);
 extern void blk_plug_device_unlocked(struct request_queue *);
 extern int blk_remove_plug(struct request_queue *);
 extern void blk_recount_segments(struct request_queue *, struct bio *);
-extern int scsi_cmd_ioctl(struct file *, struct request_queue *,
-                          struct gendisk *, unsigned int, void __user *);
-extern int sg_scsi_ioctl(struct file *, struct request_queue *,
-                struct gendisk *, struct scsi_ioctl_command __user *);
+extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t,
+                          unsigned int, void __user *);
+extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
+                         struct scsi_ioctl_command __user *);
 
 /*
  * Temporary export, until SCSI gets fixed up.
@@ -910,7 +910,8 @@ static inline int sb_issue_discard(struct super_block *sb,
 * command filter functions
 */
 extern int blk_verify_command(struct blk_cmd_filter *filter,
-                              unsigned char *cmd, int has_write_perm);
+                              unsigned char *cmd, fmode_t has_write_perm);
+extern void blk_unregister_filter(struct gendisk *disk);
 extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter);
 
 #define MAX_PHYS_SEGMENTS 128
@@ -1056,6 +1057,22 @@ static inline int blk_integrity_rq(struct request *rq)
 
 #endif /* CONFIG_BLK_DEV_INTEGRITY */
 
+struct block_device_operations {
+        int (*open) (struct block_device *, fmode_t);
+        int (*release) (struct gendisk *, fmode_t);
+        int (*locked_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
+        int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
+        int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
+        int (*direct_access) (struct block_device *, sector_t,
+                                                void **, unsigned long *);
+        int (*media_changed) (struct gendisk *);
+        int (*revalidate_disk) (struct gendisk *);
+        int (*getgeo)(struct block_device *, struct hd_geometry *);
+        struct module *owner;
+};
+
+extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int,
+                                 unsigned long);
 #else /* CONFIG_BLOCK */
 /*
  * stubs for when the block layer is configured out
diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index 5db265ea60f6..0b49e08d3cb0 100644
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h
@@ -987,11 +987,11 @@ struct cdrom_device_ops {
 };
 
 /* the general block_device operations structure: */
-extern int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip,
-                        struct file *fp);
-extern int cdrom_release(struct cdrom_device_info *cdi, struct file *fp);
-extern int cdrom_ioctl(struct file *file, struct cdrom_device_info *cdi,
-                struct inode *ip, unsigned int cmd, unsigned long arg);
+extern int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev,
+                        fmode_t mode);
+extern void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode);
+extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
+                       fmode_t mode, unsigned int cmd, unsigned long arg);
 extern int cdrom_media_changed(struct cdrom_device_info *);
 
 extern int register_cdrom(struct cdrom_device_info *cdi);
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index dfb30db475ed..c17fd334e574 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -69,8 +69,7 @@ typedef int (*dm_status_fn) (struct dm_target *ti, status_type_t status_type,
 
 typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv);
 
-typedef int (*dm_ioctl_fn) (struct dm_target *ti, struct inode *inode,
-                            struct file *filp, unsigned int cmd,
+typedef int (*dm_ioctl_fn) (struct dm_target *ti, unsigned int cmd,
                             unsigned long arg);
 
 typedef int (*dm_merge_fn) (struct dm_target *ti, struct bvec_merge_data *bvm,
@@ -85,7 +84,7 @@ void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev);
 
 struct dm_dev {
         struct block_device *bdev;
-        int mode;
+        fmode_t mode;
         char name[16];
 };
 
@@ -95,7 +94,7 @@ struct dm_dev {
  * FIXME: too many arguments.
  */
 int dm_get_device(struct dm_target *ti, const char *path, sector_t start,
-                  sector_t len, int mode, struct dm_dev **result);
+                  sector_t len, fmode_t mode, struct dm_dev **result);
 void dm_put_device(struct dm_target *ti, struct dm_dev *d);
 
 /*
@@ -223,7 +222,7 @@ int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo);
 /*
  * First create an empty table.
  */
-int dm_table_create(struct dm_table **result, int mode,
+int dm_table_create(struct dm_table **result, fmode_t mode,
                     unsigned num_targets, struct mapped_device *md);
 
 /*
@@ -254,7 +253,7 @@ void dm_table_put(struct dm_table *t);
  */
 sector_t dm_table_get_size(struct dm_table *t);
 unsigned int dm_table_get_num_targets(struct dm_table *t);
-int dm_table_get_mode(struct dm_table *t);
+fmode_t dm_table_get_mode(struct dm_table *t);
 struct mapped_device *dm_table_get_md(struct dm_table *t);
 
 /*
diff --git a/include/linux/file.h b/include/linux/file.h
index a20259e248a5..335a0a5c316e 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -19,10 +19,10 @@ struct file_operations;
 struct vfsmount;
 struct dentry;
 extern int init_file(struct file *, struct vfsmount *mnt,
-                struct dentry *dentry, mode_t mode,
+                struct dentry *dentry, fmode_t mode,
                 const struct file_operations *fop);
 extern struct file *alloc_file(struct vfsmount *, struct dentry *dentry,
-                mode_t mode, const struct file_operations *fop);
+                fmode_t mode, const struct file_operations *fop);
 
 static inline void fput_light(struct file *file, int fput_needed)
 {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7d719c1a18e3..43659ae52e4d 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -63,18 +63,23 @@ extern int dir_notify_enable;
 #define MAY_ACCESS 16
 #define MAY_OPEN 32
 
-#define FMODE_READ 1
-#define FMODE_WRITE 2
+#define FMODE_READ ((__force fmode_t)1)
+#define FMODE_WRITE ((__force fmode_t)2)
 
 /* Internal kernel extensions */
-#define FMODE_LSEEK     4
-#define FMODE_PREAD     8
+#define FMODE_LSEEK     ((__force fmode_t)4)
+#define FMODE_PREAD     ((__force fmode_t)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 FMODE_EXEC      ((__force fmode_t)16)
+
+#define FMODE_NDELAY    ((__force fmode_t)32)
+#define FMODE_EXCL      ((__force fmode_t)64)
+#define FMODE_WRITE_IOCTL       ((__force fmode_t)128)
+#define FMODE_NDELAY_NOW        ((__force fmode_t)256)
 
 #define RW_MASK         1
 #define RWA_MASK        2
@@ -825,7 +830,7 @@ struct file {
         const struct file_operations    *f_op;
         atomic_long_t           f_count;
         unsigned int            f_flags;
-        mode_t                  f_mode;
+        fmode_t                 f_mode;
         loff_t                  f_pos;
         struct fown_struct      f_owner;
         unsigned int            f_uid, f_gid;
@@ -1152,6 +1157,7 @@ struct super_block {
         char s_id[32];                          /* Informational name */
 
         void                    *s_fs_info;     /* Filesystem private info */
+        fmode_t                 s_mode;
 
         /*
          * The next field is for VFS *only*. No filesystems have any business
@@ -1266,20 +1272,7 @@ int generic_osync_inode(struct inode *, struct address_space *, int);
  * to have different dirent layouts depending on the binary type.
  */
 typedef int (*filldir_t)(void *, const char *, int, loff_t, u64, unsigned);
-
-struct block_device_operations {
-        int (*open) (struct inode *, struct file *);
-        int (*release) (struct inode *, struct file *);
-        int (*ioctl) (struct inode *, struct file *, unsigned, unsigned long);
-        long (*unlocked_ioctl) (struct file *, unsigned, unsigned long);
-        long (*compat_ioctl) (struct file *, unsigned, unsigned long);
-        int (*direct_access) (struct block_device *, sector_t,
-                                                void **, unsigned long *);
-        int (*media_changed) (struct gendisk *);
-        int (*revalidate_disk) (struct gendisk *);
-        int (*getgeo)(struct block_device *, struct hd_geometry *);
-        struct module *owner;
-};
+struct block_device_operations;
 
 /* These macros are for out of kernel modules to test that
  * the kernel supports the unlocked_ioctl and compat_ioctl
@@ -1713,7 +1706,7 @@ extern struct block_device *bdget(dev_t);
 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 struct block_device *open_by_devnum(dev_t, unsigned);
+extern struct block_device *open_by_devnum(dev_t, fmode_t);
 #else
 static inline void bd_forget(struct inode *inode) {}
 #endif
@@ -1723,13 +1716,10 @@ 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 int blkdev_driver_ioctl(struct inode *inode, struct file *file,
-                               struct gendisk *disk, unsigned cmd,
-                               unsigned long arg);
+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 *, mode_t, unsigned);
-extern int blkdev_put(struct block_device *);
+extern int blkdev_get(struct block_device *, fmode_t);
+extern int blkdev_put(struct block_device *, fmode_t);
 extern int bd_claim(struct block_device *, void *);
 extern void bd_release(struct block_device *);
 #ifdef CONFIG_SYSFS
@@ -1760,9 +1750,10 @@ extern void chrdev_show(struct seq_file *,off_t);
 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 struct block_device *open_bdev_exclusive(const char *, fmode_t, void *);
+extern void close_bdev_exclusive(struct block_device *, fmode_t);
 extern void blkdev_show(struct seq_file *,off_t);
+
 #else
 #define BLKDEV_MAJOR_HASH_SIZE  0
 #endif
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index a89513188ce7..00fbd5b245c9 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -188,7 +188,7 @@ static inline void fsnotify_close(struct file *file)
         struct dentry *dentry = file->f_path.dentry;
         struct inode *inode = dentry->d_inode;
         const char *name = dentry->d_name.name;
-        mode_t mode = file->f_mode;
+        fmode_t mode = file->f_mode;
         u32 mask = (mode & FMODE_WRITE) ? IN_CLOSE_WRITE : IN_CLOSE_NOWRITE;
 
         if (S_ISDIR(inode->i_mode))
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 89e53cfbc787..54525be4b5f8 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -474,8 +474,8 @@ struct ide_disk_ops {
         ide_startstop_t (*do_request)(struct ide_drive_s *, struct request *,
                                       sector_t);
         int             (*end_request)(struct ide_drive_s *, int, int);
-        int             (*ioctl)(struct ide_drive_s *, struct inode *,
-                                 struct file *, unsigned int, unsigned long);
+        int             (*ioctl)(struct ide_drive_s *, struct block_device *,
+                                 fmode_t, unsigned int, unsigned long);
 };
 
 /* ATAPI device flags */
@@ -1158,8 +1158,7 @@ struct ide_ioctl_devset {
 int ide_setting_ioctl(ide_drive_t *, struct block_device *, unsigned int,
                       unsigned long, const struct ide_ioctl_devset *);
 
-int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *,
-                      unsigned, unsigned long);
+int generic_ide_ioctl(ide_drive_t *, struct block_device *, unsigned, unsigned long);
 
 extern int ide_vlb_clk;
 extern int ide_pci_clk;
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 315517e8bfa1..bda6b562a1e0 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -178,6 +178,7 @@ struct reiserfs_journal {
         struct reiserfs_journal_cnode *j_first; /*  oldest journal block.  start here for traverse */
 
         struct block_device *j_dev_bd;
+        fmode_t j_dev_mode;
         int j_1st_reserved_block;       /* first block on s_dev of reserved area journal */
 
         unsigned long j_state;
diff --git a/include/linux/types.h b/include/linux/types.h
index f24f7beb47df..1d98330b1f2c 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -190,6 +190,7 @@ typedef __u32 __bitwise __wsum;
 
 #ifdef __KERNEL__
 typedef unsigned __bitwise__ gfp_t;
+typedef unsigned __bitwise__ fmode_t;
 
 #ifdef CONFIG_PHYS_ADDR_T_64BIT
 typedef u64 phys_addr_t;