diff options
Diffstat (limited to 'freebsd/sys/sys/blist.h')
| -rw-r--r-- | freebsd/sys/sys/blist.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/freebsd/sys/sys/blist.h b/freebsd/sys/sys/blist.h index 1e6deb52..87f492c8 100644 --- a/freebsd/sys/sys/blist.h +++ b/freebsd/sys/sys/blist.h @@ -33,7 +33,7 @@ * Usage: * blist = blist_create(blocks, flags) * (void) blist_destroy(blist) - * blkno = blist_alloc(blist, count) + * blkno = blist_alloc(blist, &count, maxcount) * (void) blist_free(blist, blkno, count) * nblks = blist_fill(blist, blkno, count) * (void) blist_resize(&blist, count, freeextra, flags) @@ -73,17 +73,17 @@ typedef unsigned long u_daddr_t; /* unsigned disk address */ #define SWAPBLK_NONE ((daddr_t)((u_daddr_t)SWAPBLK_MASK + 1))/* flag */ /* - * Both blmeta and bmu_bitmap MUST be a power of 2 in size. + * Both blmeta and bm_bitmap MUST be a power of 2 in size. */ typedef struct blmeta { - u_daddr_t bm_bitmap; /* bitmap if we are a leaf */ + u_daddr_t bm_bitmap; /* marking unfilled block sets */ daddr_t bm_bighint; /* biggest contiguous block hint*/ } blmeta_t; typedef struct blist { daddr_t bl_blocks; /* area of coverage */ - daddr_t bl_avail; /* # available blocks */ + daddr_t bl_avail; /* # available blocks */ u_daddr_t bl_radix; /* coverage radix */ daddr_t bl_cursor; /* next-fit search starts at */ blmeta_t bl_root[1]; /* root of radix tree */ @@ -96,7 +96,7 @@ typedef struct blist { struct sbuf; -daddr_t blist_alloc(blist_t blist, daddr_t count); +daddr_t blist_alloc(blist_t blist, int *count, int maxcount); daddr_t blist_avail(blist_t blist); blist_t blist_create(daddr_t blocks, int flags); void blist_destroy(blist_t blist); |