diff options
Diffstat (limited to 'fs/gfs2/incore.h')
| -rw-r--r-- | fs/gfs2/incore.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 52078a1..d5e2546 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -102,6 +102,17 @@ struct gfs2_rgrpd { u32 rd_rs_cnt; /* count of current reservations */ }; +struct gfs2_rbm { + struct gfs2_rgrpd *rgd; + struct gfs2_bitmap *bi; /* Bitmap must belong to the rgd */ + u32 offset; /* The offset is bitmap relative */ +}; + +static inline u64 gfs2_rbm_to_block(const struct gfs2_rbm *rbm) +{ + return rbm->rgd->rd_data0 + (rbm->bi->bi_start * GFS2_NBBY) + rbm->offset; +} + enum gfs2_state_bits { BH_Pinned = BH_PrivateStart, BH_Escaped = BH_PrivateStart + 1, @@ -251,13 +262,11 @@ struct gfs2_blkreserv { atomic_t rs_sizehint; /* hint of the write size */ /* components used during get_local_rgrp (step 3): */ - struct gfs2_rgrpd *rs_rgd; /* pointer to the gfs2_rgrpd */ + struct gfs2_rbm rs_rbm; struct gfs2_holder rs_rgd_gh; /* Filled in by get_local_rgrp */ struct rb_node rs_node; /* link to other block reservations */ /* components used during block searches and assignments (step 4): */ - struct gfs2_bitmap *rs_bi; /* bitmap for the current allocation */ - u32 rs_biblk; /* start block relative to the bi */ u32 rs_free; /* how many blocks are still free */ /* ancillary quota stuff */ |