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authorIngo Molnar <mingo@elte.hu>2009-12-09 08:24:25 +0100
committerIngo Molnar <mingo@elte.hu>2009-12-09 08:24:57 +0100
commit4c68db38c85188824b21698842b42a62b4f78657 (patch)
tree3ee1c3b22af6713adf669a3bb452ce82bc7fe495 /include/linux/bio.h
parent5c0e9f28da84c68ce0ae68b7a75faaf862e156e2 (diff)
parent2b876f95d03e226394b5d360c86127cbefaf614b (diff)
Merge branch 'linus' into x86/urgent
Merge reason: We want to queue up a dependent patch. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/bio.h')
-rw-r--r--include/linux/bio.h20
1 files changed, 14 insertions, 6 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 5be93f18d84..7fc5606e6ea 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -391,6 +391,18 @@ extern struct bio *bio_copy_kern(struct request_queue *, void *, unsigned int,
gfp_t, int);
extern void bio_set_pages_dirty(struct bio *bio);
extern void bio_check_pages_dirty(struct bio *bio);
+
+#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
+# error "You should define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE for your platform"
+#endif
+#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
+extern void bio_flush_dcache_pages(struct bio *bi);
+#else
+static inline void bio_flush_dcache_pages(struct bio *bi)
+{
+}
+#endif
+
extern struct bio *bio_copy_user(struct request_queue *, struct rq_map_data *,
unsigned long, unsigned int, int, gfp_t);
extern struct bio *bio_copy_user_iov(struct request_queue *,
@@ -450,11 +462,8 @@ extern struct biovec_slab bvec_slabs[BIOVEC_NR_POOLS] __read_mostly;
/*
* remember never ever reenable interrupts between a bvec_kmap_irq and
* bvec_kunmap_irq!
- *
- * This function MUST be inlined - it plays with the CPU interrupt flags.
*/
-static __always_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;
@@ -470,8 +479,7 @@ static __always_inline char *bvec_kmap_irq(struct bio_vec *bvec,
return (char *) addr + bvec->bv_offset;
}
-static __always_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;