[PATCH] cpuset semaphore depth check optimize

[linux-2.6] / include / linux / bio.h

diff --git a/include/linux/bio.h b/include/linux/bio.h
index 69e047989f1c45f4b417a7ad99d024ff60c83c88..6e1c79c8b6bfd0eebc33187804169d47caa2b92e 100644 (file)
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -295,7 +295,13 @@ extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int);
 extern int bio_get_nr_vecs(struct block_device *);
 extern struct bio *bio_map_user(struct request_queue *, struct block_device *,
                                unsigned long, unsigned int, int);
+struct sg_iovec;
+extern struct bio *bio_map_user_iov(struct request_queue *,
+                                   struct block_device *,
+                                   struct sg_iovec *, int, int);
 extern void bio_unmap_user(struct bio *);
+extern struct bio *bio_map_kern(struct request_queue *, void *, unsigned int,
+                               unsigned int);
 extern void bio_set_pages_dirty(struct bio *bio);
 extern void bio_check_pages_dirty(struct bio *bio);
 extern struct bio *bio_copy_user(struct request_queue *, unsigned long, unsigned int, int);
@@ -308,9 +314,8 @@ void zero_fill_bio(struct bio *bio);
  * bvec_kmap_irq and bvec_kunmap_irq!!
  *
  * This function MUST be inlined - it plays with the CPU interrupt flags.
- * Hence the `extern inline'.
  */
-extern inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags)
+static inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags)
 {
        unsigned long addr;
 
@@ -326,7 +331,7 @@ extern inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags)
        return (char *) addr + bvec->bv_offset;
 }
 
-extern inline void bvec_kunmap_irq(char *buffer, unsigned long *flags)
+static inline void bvec_kunmap_irq(char *buffer, unsigned long *flags)
 {
        unsigned long ptr = (unsigned long) buffer & PAGE_MASK;
 
@@ -339,7 +344,7 @@ extern inline void bvec_kunmap_irq(char *buffer, unsigned long *flags)
 #define bvec_kunmap_irq(buf, flags)    do { *(flags) = 0; } while (0)
 #endif
 
-extern inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx,
+static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx,
                                   unsigned long *flags)
 {
        return bvec_kmap_irq(bio_iovec_idx(bio, idx), flags);