2 files changed, 22 insertions, 21 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a135256b272c..031a315c0509 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -662,6 +662,7 @@ extern unsigned long blk_max_low_pfn, blk_max_pfn;
  * default timeout for SG_IO if none specified
  */
 #define BLK_DEFAULT_SG_TIMEOUT  (60 * HZ)
+#define BLK_MIN_SG_TIMEOUT      (7 * HZ)
 
 #ifdef CONFIG_BOUNCE
 extern int init_emergency_isa_pool(void);
@@ -786,6 +787,8 @@ static inline void blk_run_address_space(struct address_space *mapping)
                 blk_run_backing_dev(mapping->backing_dev_info, NULL);
 }
 
+extern void blkdev_dequeue_request(struct request *req);
+
 /*
  * blk_end_request() and friends.
  * __blk_end_request() and end_request() must be called with
@@ -820,11 +823,6 @@ extern void blk_update_request(struct request *rq, int error,
 extern unsigned int blk_rq_bytes(struct request *rq);
 extern unsigned int blk_rq_cur_bytes(struct request *rq);
 
-static inline void blkdev_dequeue_request(struct request *req)
-{
-        elv_dequeue_request(req->q, req);
-}
-
 /*
  * Access functions for manipulating queue properties
  */
@@ -921,6 +919,8 @@ extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter);
 
 #define MAX_SEGMENT_SIZE        65536
 
+#define BLK_SEG_BOUNDARY_MASK   0xFFFFFFFFUL
+
 #define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist)
 
 static inline int queue_hardsect_size(struct request_queue *q)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0dcdd9458f4b..4a853ef6fd35 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -63,23 +63,24 @@ extern int dir_notify_enable;
 #define MAY_ACCESS 16
 #define MAY_OPEN 32
 
-#define FMODE_READ ((__force fmode_t)1)
-#define FMODE_WRITE ((__force fmode_t)2)
-
-/* Internal kernel extensions */
-#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      ((__force fmode_t)16)
-
-#define FMODE_NDELAY    ((__force fmode_t)32)
-#define FMODE_EXCL      ((__force fmode_t)64)
+/* file is open for reading */
+#define FMODE_READ              ((__force fmode_t)1)
+/* file is open for writing */
+#define FMODE_WRITE             ((__force fmode_t)2)
+/* file is seekable */
+#define FMODE_LSEEK             ((__force fmode_t)4)
+/* file can be accessed using pread/pwrite */
+#define FMODE_PREAD             ((__force fmode_t)8)
+#define FMODE_PWRITE            FMODE_PREAD     /* These go hand in hand */
+/* File is opened for execution with sys_execve / sys_uselib */
+#define FMODE_EXEC              ((__force fmode_t)16)
+/* File is opened with O_NDELAY (only set for block devices) */
+#define FMODE_NDELAY            ((__force fmode_t)32)
+/* File is opened with O_EXCL (only set for block devices) */
+#define FMODE_EXCL              ((__force fmode_t)64)
+/* File is opened using open(.., 3, ..) and is writeable only for ioctls
+   (specialy hack for floppy.c) */
 #define FMODE_WRITE_IOCTL       ((__force fmode_t)128)
-#define FMODE_NDELAY_NOW        ((__force fmode_t)256)
 
 #define RW_MASK         1
 #define RWA_MASK        2