From: Darrick J. Wong <djwong@xxxxxxxxxx> Display the rt group number in the bmap -v output, just like we do for regular data files. Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> --- io/bmap.c | 27 ++++++++++++++++++--------- libfrog/fsgeom.h | 12 ++++++++++++ 2 files changed, 30 insertions(+), 9 deletions(-) diff --git a/io/bmap.c b/io/bmap.c index 6182e1c591da18..b2f6b490528513 100644 --- a/io/bmap.c +++ b/io/bmap.c @@ -257,16 +257,18 @@ bmap_f( #define FLG_BSW 0000010 /* Not on begin of stripe width */ #define FLG_ESW 0000001 /* Not on end of stripe width */ int agno; - off_t agoff, bbperag; + off_t agoff, bbperag; int foff_w, boff_w, aoff_w, tot_w, agno_w; char rbuf[32], bbuf[32], abuf[32]; int sunit, swidth; foff_w = boff_w = aoff_w = MINRANGE_WIDTH; tot_w = MINTOT_WIDTH; - if (is_rt) - sunit = swidth = bbperag = 0; - else { + if (is_rt) { + bbperag = bytes_per_rtgroup(&fsgeo) / BBSIZE; + sunit = 0; + swidth = 0; + } else { bbperag = (off_t)fsgeo.agblocks * (off_t)fsgeo.blocksize / BBSIZE; sunit = (fsgeo.sunit * fsgeo.blocksize) / BBSIZE; @@ -295,7 +297,7 @@ bmap_f( (long long)(map[i + 1].bmv_block + map[i + 1].bmv_length - 1LL)); boff_w = max(boff_w, strlen(bbuf)); - if (!is_rt) { + if (bbperag > 0) { agno = map[i + 1].bmv_block / bbperag; agoff = map[i + 1].bmv_block - (agno * bbperag); @@ -312,13 +314,20 @@ bmap_f( numlen(map[i+1].bmv_length, 10)); } } - agno_w = is_rt ? 0 : max(MINAG_WIDTH, numlen(fsgeo.agcount, 10)); + if (is_rt) { + if (fsgeo.rgcount > 0) + agno_w = max(MINAG_WIDTH, numlen(fsgeo.rgcount, 10)); + else + agno_w = 0; + } else { + agno_w = max(MINAG_WIDTH, numlen(fsgeo.agcount, 10)); + } printf("%4s: %-*s %-*s %*s %-*s %*s%s\n", _("EXT"), foff_w, _("FILE-OFFSET"), boff_w, is_rt ? _("RT-BLOCK-RANGE") : _("BLOCK-RANGE"), - agno_w, is_rt ? "" : _("AG"), - aoff_w, is_rt ? "" : _("AG-OFFSET"), + agno_w, is_rt ? (fsgeo.rgcount ? _("RG") : "") : _("AG"), + aoff_w, is_rt ? (fsgeo.rgcount ? _("RG-OFFSET") : "") : _("AG-OFFSET"), tot_w, _("TOTAL"), flg ? _(" FLAGS") : ""); for (i = 0; i < egcnt; i++) { @@ -377,7 +386,7 @@ bmap_f( map[i + 1].bmv_length - 1LL)); printf("%4d: %-*s %-*s", i, foff_w, rbuf, boff_w, bbuf); - if (!is_rt) { + if (bbperag > 0) { agno = map[i + 1].bmv_block / bbperag; agoff = map[i + 1].bmv_block - (agno * bbperag); diff --git a/libfrog/fsgeom.h b/libfrog/fsgeom.h index c571ddbcfb9b70..b851b9bbf36a58 100644 --- a/libfrog/fsgeom.h +++ b/libfrog/fsgeom.h @@ -205,4 +205,16 @@ cvt_b_to_agbno( return cvt_daddr_to_agbno(xfd, cvt_btobbt(byteno)); } +/* Return the number of bytes in an rtgroup. */ +static inline uint64_t +bytes_per_rtgroup( + const struct xfs_fsop_geom *fsgeo) +{ + if (!fsgeo->rgcount) + return 0; + + return (uint64_t)fsgeo->rgextents * fsgeo->rtextsize * + fsgeo->blocksize; +} + #endif /* __LIBFROG_FSGEOM_H__ */