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Diffstat (limited to 'fs/nilfs2/bmap.h')
-rw-r--r--fs/nilfs2/bmap.h76
1 files changed, 31 insertions, 45 deletions
diff --git a/fs/nilfs2/bmap.h b/fs/nilfs2/bmap.h
index b2890cdcef12..9980d7dbab91 100644
--- a/fs/nilfs2/bmap.h
+++ b/fs/nilfs2/bmap.h
@@ -28,6 +28,7 @@
#include <linux/buffer_head.h>
#include <linux/nilfs2_fs.h>
#include "alloc.h"
+#include "dat.h"
#define NILFS_BMAP_INVALID_PTR 0
@@ -141,7 +142,6 @@ struct nilfs_bmap {
int nilfs_bmap_test_and_clear_dirty(struct nilfs_bmap *);
int nilfs_bmap_read(struct nilfs_bmap *, struct nilfs_inode *);
void nilfs_bmap_write(struct nilfs_bmap *, struct nilfs_inode *);
-int nilfs_bmap_lookup(struct nilfs_bmap *, unsigned long, unsigned long *);
int nilfs_bmap_lookup_contig(struct nilfs_bmap *, __u64, __u64 *, unsigned);
int nilfs_bmap_insert(struct nilfs_bmap *, unsigned long, unsigned long);
int nilfs_bmap_delete(struct nilfs_bmap *, unsigned long);
@@ -160,90 +160,76 @@ void nilfs_bmap_init_gcdat(struct nilfs_bmap *, struct nilfs_bmap *);
void nilfs_bmap_commit_gcdat(struct nilfs_bmap *, struct nilfs_bmap *);
+static inline int nilfs_bmap_lookup(struct nilfs_bmap *bmap, __u64 key,
+ __u64 *ptr)
+{
+ return nilfs_bmap_lookup_at_level(bmap, key, 1, ptr);
+}
+
/*
* Internal use only
*/
struct inode *nilfs_bmap_get_dat(const struct nilfs_bmap *);
-int nilfs_bmap_prepare_alloc_v(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *);
-void nilfs_bmap_commit_alloc_v(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *);
-void nilfs_bmap_abort_alloc_v(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *);
static inline int nilfs_bmap_prepare_alloc_ptr(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+ union nilfs_bmap_ptr_req *req,
+ struct inode *dat)
{
- if (NILFS_BMAP_USE_VBN(bmap))
- return nilfs_bmap_prepare_alloc_v(bmap, req);
+ if (dat)
+ return nilfs_dat_prepare_alloc(dat, &req->bpr_req);
/* ignore target ptr */
req->bpr_ptr = bmap->b_last_allocated_ptr++;
return 0;
}
static inline void nilfs_bmap_commit_alloc_ptr(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+ union nilfs_bmap_ptr_req *req,
+ struct inode *dat)
{
- if (NILFS_BMAP_USE_VBN(bmap))
- nilfs_bmap_commit_alloc_v(bmap, req);
+ if (dat)
+ nilfs_dat_commit_alloc(dat, &req->bpr_req);
}
static inline void nilfs_bmap_abort_alloc_ptr(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+ union nilfs_bmap_ptr_req *req,
+ struct inode *dat)
{
- if (NILFS_BMAP_USE_VBN(bmap))
- nilfs_bmap_abort_alloc_v(bmap, req);
+ if (dat)
+ nilfs_dat_abort_alloc(dat, &req->bpr_req);
else
bmap->b_last_allocated_ptr--;
}
-int nilfs_bmap_prepare_end_v(struct nilfs_bmap *, union nilfs_bmap_ptr_req *);
-void nilfs_bmap_commit_end_v(struct nilfs_bmap *, union nilfs_bmap_ptr_req *);
-void nilfs_bmap_abort_end_v(struct nilfs_bmap *, union nilfs_bmap_ptr_req *);
-
static inline int nilfs_bmap_prepare_end_ptr(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+ union nilfs_bmap_ptr_req *req,
+ struct inode *dat)
{
- return NILFS_BMAP_USE_VBN(bmap) ?
- nilfs_bmap_prepare_end_v(bmap, req) : 0;
+ return dat ? nilfs_dat_prepare_end(dat, &req->bpr_req) : 0;
}
static inline void nilfs_bmap_commit_end_ptr(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+ union nilfs_bmap_ptr_req *req,
+ struct inode *dat)
{
- if (NILFS_BMAP_USE_VBN(bmap))
- nilfs_bmap_commit_end_v(bmap, req);
+ if (dat)
+ nilfs_dat_commit_end(dat, &req->bpr_req,
+ bmap->b_ptr_type == NILFS_BMAP_PTR_VS);
}
static inline void nilfs_bmap_abort_end_ptr(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+ union nilfs_bmap_ptr_req *req,
+ struct inode *dat)
{
- if (NILFS_BMAP_USE_VBN(bmap))
- nilfs_bmap_abort_end_v(bmap, req);
+ if (dat)
+ nilfs_dat_abort_end(dat, &req->bpr_req);
}
-int nilfs_bmap_start_v(struct nilfs_bmap *, union nilfs_bmap_ptr_req *,
- sector_t);
-int nilfs_bmap_move_v(const struct nilfs_bmap *, __u64, sector_t);
-int nilfs_bmap_mark_dirty(const struct nilfs_bmap *, __u64);
-
-
__u64 nilfs_bmap_data_get_key(const struct nilfs_bmap *,
const struct buffer_head *);
__u64 nilfs_bmap_find_target_seq(const struct nilfs_bmap *, __u64);
__u64 nilfs_bmap_find_target_in_group(const struct nilfs_bmap *);
-int nilfs_bmap_prepare_update_v(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *,
- union nilfs_bmap_ptr_req *);
-void nilfs_bmap_commit_update_v(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *,
- union nilfs_bmap_ptr_req *);
-void nilfs_bmap_abort_update_v(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *,
- union nilfs_bmap_ptr_req *);
-
void nilfs_bmap_add_blocks(const struct nilfs_bmap *, int);
void nilfs_bmap_sub_blocks(const struct nilfs_bmap *, int);