diff options
-rw-r--r-- | fs/xfs/libxfs/xfs_ag.c | 39 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_ag.h | 30 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_ialloc.c | 6 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_inode_buf.c | 5 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_types.c | 55 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_types.h | 6 | ||||
-rw-r--r-- | fs/xfs/scrub/agheader.c | 6 | ||||
-rw-r--r-- | fs/xfs/scrub/ialloc.c | 6 | ||||
-rw-r--r-- | fs/xfs/scrub/repair.c | 9 | ||||
-rw-r--r-- | fs/xfs/xfs_inode.c | 14 |
10 files changed, 95 insertions, 81 deletions
diff --git a/fs/xfs/libxfs/xfs_ag.c b/fs/xfs/libxfs/xfs_ag.c index 8f3e6ee85c34..d1a9163d4a48 100644 --- a/fs/xfs/libxfs/xfs_ag.c +++ b/fs/xfs/libxfs/xfs_ag.c @@ -225,6 +225,41 @@ xfs_ag_block_count( mp->m_sb.sb_dblocks); } +/* Calculate the first and last possible inode number in an AG. */ +static void +__xfs_agino_range( + struct xfs_mount *mp, + xfs_agblock_t eoag, + xfs_agino_t *first, + xfs_agino_t *last) +{ + xfs_agblock_t bno; + + /* + * Calculate the first inode, which will be in the first + * cluster-aligned block after the AGFL. + */ + bno = round_up(XFS_AGFL_BLOCK(mp) + 1, M_IGEO(mp)->cluster_align); + *first = XFS_AGB_TO_AGINO(mp, bno); + + /* + * Calculate the last inode, which will be at the end of the + * last (aligned) cluster that can be allocated in the AG. + */ + bno = round_down(eoag, M_IGEO(mp)->cluster_align); + *last = XFS_AGB_TO_AGINO(mp, bno) - 1; +} + +void +xfs_agino_range( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agino_t *first, + xfs_agino_t *last) +{ + return __xfs_agino_range(mp, xfs_ag_block_count(mp, agno), first, last); +} + int xfs_initialize_perag( struct xfs_mount *mp, @@ -302,6 +337,8 @@ xfs_initialize_perag( pag->block_count = __xfs_ag_block_count(mp, index, agcount, dblocks); pag->min_block = XFS_AGFL_BLOCK(mp); + __xfs_agino_range(mp, pag->block_count, &pag->agino_min, + &pag->agino_max); } index = xfs_set_inode_alloc(mp, agcount); @@ -968,6 +1005,8 @@ xfs_ag_extend_space( /* Update perag geometry */ pag->block_count = be32_to_cpu(agf->agf_length); + __xfs_agino_range(pag->pag_mount, pag->block_count, &pag->agino_min, + &pag->agino_max); return 0; } diff --git a/fs/xfs/libxfs/xfs_ag.h b/fs/xfs/libxfs/xfs_ag.h index 77640f1409fd..bb9e91bd38e2 100644 --- a/fs/xfs/libxfs/xfs_ag.h +++ b/fs/xfs/libxfs/xfs_ag.h @@ -70,6 +70,8 @@ struct xfs_perag { /* Precalculated geometry info */ xfs_agblock_t block_count; xfs_agblock_t min_block; + xfs_agino_t agino_min; + xfs_agino_t agino_max; #ifdef __KERNEL__ /* -- kernel only structures below this line -- */ @@ -124,6 +126,8 @@ void xfs_perag_put(struct xfs_perag *pag); * Per-ag geometry infomation and validation */ xfs_agblock_t xfs_ag_block_count(struct xfs_mount *mp, xfs_agnumber_t agno); +void xfs_agino_range(struct xfs_mount *mp, xfs_agnumber_t agno, + xfs_agino_t *first, xfs_agino_t *last); static inline bool xfs_verify_agbno(struct xfs_perag *pag, xfs_agblock_t agbno) @@ -136,6 +140,32 @@ xfs_verify_agbno(struct xfs_perag *pag, xfs_agblock_t agbno) } /* + * Verify that an AG inode number pointer neither points outside the AG + * nor points at static metadata. + */ +static inline bool +xfs_verify_agino(struct xfs_perag *pag, xfs_agino_t agino) +{ + if (agino < pag->agino_min) + return false; + if (agino > pag->agino_max) + return false; + return true; +} + +/* + * Verify that an AG inode number pointer neither points outside the AG + * nor points at static metadata, or is NULLAGINO. + */ +static inline bool +xfs_verify_agino_or_null(struct xfs_perag *pag, xfs_agino_t agino) +{ + if (agino == NULLAGINO) + return true; + return xfs_verify_agino(pag, agino); +} + +/* * Perag iteration APIs */ static inline struct xfs_perag * diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 55757b990ac6..39ad3b7af502 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -105,7 +105,6 @@ xfs_inobt_get_rec( int *stat) { struct xfs_mount *mp = cur->bc_mp; - xfs_agnumber_t agno = cur->bc_ag.pag->pag_agno; union xfs_btree_rec *rec; int error; uint64_t realfree; @@ -116,7 +115,7 @@ xfs_inobt_get_rec( xfs_inobt_btrec_to_irec(mp, rec, irec); - if (!xfs_verify_agino(mp, agno, irec->ir_startino)) + if (!xfs_verify_agino(cur->bc_ag.pag, irec->ir_startino)) goto out_bad_rec; if (irec->ir_count < XFS_INODES_PER_HOLEMASK_BIT || irec->ir_count > XFS_INODES_PER_CHUNK) @@ -137,7 +136,8 @@ xfs_inobt_get_rec( out_bad_rec: xfs_warn(mp, "%s Inode BTree record corruption in AG %d detected!", - cur->bc_btnum == XFS_BTNUM_INO ? "Used" : "Free", agno); + cur->bc_btnum == XFS_BTNUM_INO ? "Used" : "Free", + cur->bc_ag.pag->pag_agno); xfs_warn(mp, "start inode 0x%x, count 0x%x, free 0x%x freemask 0x%llx, holemask 0x%x", irec->ir_startino, irec->ir_count, irec->ir_freecount, diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 3b1b63f9d886..3a12bd3c7c97 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -10,6 +10,7 @@ #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_mount.h" +#include "xfs_ag.h" #include "xfs_inode.h" #include "xfs_errortag.h" #include "xfs_error.h" @@ -41,14 +42,12 @@ xfs_inode_buf_verify( bool readahead) { struct xfs_mount *mp = bp->b_mount; - xfs_agnumber_t agno; int i; int ni; /* * Validate the magic number and version of every inode in the buffer */ - agno = xfs_daddr_to_agno(mp, xfs_buf_daddr(bp)); ni = XFS_BB_TO_FSB(mp, bp->b_length) * mp->m_sb.sb_inopblock; for (i = 0; i < ni; i++) { struct xfs_dinode *dip; @@ -59,7 +58,7 @@ xfs_inode_buf_verify( unlinked_ino = be32_to_cpu(dip->di_next_unlinked); di_ok = xfs_verify_magic16(bp, dip->di_magic) && xfs_dinode_good_version(mp, dip->di_version) && - xfs_verify_agino_or_null(mp, agno, unlinked_ino); + xfs_verify_agino_or_null(bp->b_pag, unlinked_ino); if (unlikely(XFS_TEST_ERROR(!di_ok, mp, XFS_ERRTAG_ITOBP_INOTOBP))) { if (readahead) { diff --git a/fs/xfs/libxfs/xfs_types.c b/fs/xfs/libxfs/xfs_types.c index b3c6b0274e95..5c2765934732 100644 --- a/fs/xfs/libxfs/xfs_types.c +++ b/fs/xfs/libxfs/xfs_types.c @@ -73,40 +73,12 @@ xfs_verify_fsbext( XFS_FSB_TO_AGNO(mp, fsbno + len - 1); } -/* Calculate the first and last possible inode number in an AG. */ -inline void -xfs_agino_range( - struct xfs_mount *mp, - xfs_agnumber_t agno, - xfs_agino_t *first, - xfs_agino_t *last) -{ - xfs_agblock_t bno; - xfs_agblock_t eoag; - - eoag = xfs_ag_block_count(mp, agno); - - /* - * Calculate the first inode, which will be in the first - * cluster-aligned block after the AGFL. - */ - bno = round_up(XFS_AGFL_BLOCK(mp) + 1, M_IGEO(mp)->cluster_align); - *first = XFS_AGB_TO_AGINO(mp, bno); - - /* - * Calculate the last inode, which will be at the end of the - * last (aligned) cluster that can be allocated in the AG. - */ - bno = round_down(eoag, M_IGEO(mp)->cluster_align); - *last = XFS_AGB_TO_AGINO(mp, bno) - 1; -} - /* * Verify that an AG inode number pointer neither points outside the AG * nor points at static metadata. */ -inline bool -xfs_verify_agino( +static inline bool +xfs_verify_agno_agino( struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agino_t agino) @@ -119,19 +91,6 @@ xfs_verify_agino( } /* - * Verify that an AG inode number pointer neither points outside the AG - * nor points at static metadata, or is NULLAGINO. - */ -bool -xfs_verify_agino_or_null( - struct xfs_mount *mp, - xfs_agnumber_t agno, - xfs_agino_t agino) -{ - return agino == NULLAGINO || xfs_verify_agino(mp, agno, agino); -} - -/* * Verify that an FS inode number pointer neither points outside the * filesystem nor points at static AG metadata. */ @@ -147,7 +106,7 @@ xfs_verify_ino( return false; if (XFS_AGINO_TO_INO(mp, agno, agino) != ino) return false; - return xfs_verify_agino(mp, agno, agino); + return xfs_verify_agno_agino(mp, agno, agino); } /* Is this an internal inode number? */ @@ -217,12 +176,8 @@ xfs_icount_range( /* root, rtbitmap, rtsum all live in the first chunk */ *min = XFS_INODES_PER_CHUNK; - for_each_perag(mp, agno, pag) { - xfs_agino_t first, last; - - xfs_agino_range(mp, agno, &first, &last); - nr_inos += last - first + 1; - } + for_each_perag(mp, agno, pag) + nr_inos += pag->agino_max - pag->agino_min + 1; *max = nr_inos; } diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h index ccf61afb959d..a6b7d98cf68f 100644 --- a/fs/xfs/libxfs/xfs_types.h +++ b/fs/xfs/libxfs/xfs_types.h @@ -183,12 +183,6 @@ bool xfs_verify_fsbno(struct xfs_mount *mp, xfs_fsblock_t fsbno); bool xfs_verify_fsbext(struct xfs_mount *mp, xfs_fsblock_t fsbno, xfs_fsblock_t len); -void xfs_agino_range(struct xfs_mount *mp, xfs_agnumber_t agno, - xfs_agino_t *first, xfs_agino_t *last); -bool xfs_verify_agino(struct xfs_mount *mp, xfs_agnumber_t agno, - xfs_agino_t agino); -bool xfs_verify_agino_or_null(struct xfs_mount *mp, xfs_agnumber_t agno, - xfs_agino_t agino); bool xfs_verify_ino(struct xfs_mount *mp, xfs_ino_t ino); bool xfs_internal_inum(struct xfs_mount *mp, xfs_ino_t ino); bool xfs_verify_dir_ino(struct xfs_mount *mp, xfs_ino_t ino); diff --git a/fs/xfs/scrub/agheader.c b/fs/xfs/scrub/agheader.c index 181bba5f9b8f..b7b838bd4ba4 100644 --- a/fs/xfs/scrub/agheader.c +++ b/fs/xfs/scrub/agheader.c @@ -901,17 +901,17 @@ xchk_agi( /* Check inode pointers */ agino = be32_to_cpu(agi->agi_newino); - if (!xfs_verify_agino_or_null(mp, agno, agino)) + if (!xfs_verify_agino_or_null(pag, agino)) xchk_block_set_corrupt(sc, sc->sa.agi_bp); agino = be32_to_cpu(agi->agi_dirino); - if (!xfs_verify_agino_or_null(mp, agno, agino)) + if (!xfs_verify_agino_or_null(pag, agino)) xchk_block_set_corrupt(sc, sc->sa.agi_bp); /* Check unlinked inode buckets */ for (i = 0; i < XFS_AGI_UNLINKED_BUCKETS; i++) { agino = be32_to_cpu(agi->agi_unlinked[i]); - if (!xfs_verify_agino_or_null(mp, agno, agino)) + if (!xfs_verify_agino_or_null(pag, agino)) xchk_block_set_corrupt(sc, sc->sa.agi_bp); } diff --git a/fs/xfs/scrub/ialloc.c b/fs/xfs/scrub/ialloc.c index b80a54be8634..e1026e07bf94 100644 --- a/fs/xfs/scrub/ialloc.c +++ b/fs/xfs/scrub/ialloc.c @@ -421,10 +421,10 @@ xchk_iallocbt_rec( const union xfs_btree_rec *rec) { struct xfs_mount *mp = bs->cur->bc_mp; + struct xfs_perag *pag = bs->cur->bc_ag.pag; struct xchk_iallocbt *iabt = bs->private; struct xfs_inobt_rec_incore irec; uint64_t holes; - xfs_agnumber_t agno = bs->cur->bc_ag.pag->pag_agno; xfs_agino_t agino; xfs_extlen_t len; int holecount; @@ -446,8 +446,8 @@ xchk_iallocbt_rec( agino = irec.ir_startino; /* Record has to be properly aligned within the AG. */ - if (!xfs_verify_agino(mp, agno, agino) || - !xfs_verify_agino(mp, agno, agino + XFS_INODES_PER_CHUNK - 1)) { + if (!xfs_verify_agino(pag, agino) || + !xfs_verify_agino(pag, agino + XFS_INODES_PER_CHUNK - 1)) { xchk_btree_set_corrupt(bs->sc, bs->cur, 0); goto out; } diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c index c983b76e070f..d51d82243fd3 100644 --- a/fs/xfs/scrub/repair.c +++ b/fs/xfs/scrub/repair.c @@ -220,16 +220,13 @@ xrep_calc_ag_resblks( usedlen = aglen - freelen; xfs_buf_relse(bp); } - xfs_perag_put(pag); /* If the icount is impossible, make some worst-case assumptions. */ if (icount == NULLAGINO || - !xfs_verify_agino(mp, sm->sm_agno, icount)) { - xfs_agino_t first, last; - - xfs_agino_range(mp, sm->sm_agno, &first, &last); - icount = last - first + 1; + !xfs_verify_agino(pag, icount)) { + icount = pag->agino_max - pag->agino_min + 1; } + xfs_perag_put(pag); /* If the block counts are impossible, make worst-case assumptions. */ if (aglen == NULLAGBLOCK || diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 29dfc997420f..482e1ee2d669 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2008,7 +2008,7 @@ xfs_iunlink_update_bucket( xfs_agino_t old_value; int offset; - ASSERT(xfs_verify_agino_or_null(tp->t_mountp, pag->pag_agno, new_agino)); + ASSERT(xfs_verify_agino_or_null(pag, new_agino)); old_value = be32_to_cpu(agi->agi_unlinked[bucket_index]); trace_xfs_iunlink_update_bucket(tp->t_mountp, pag->pag_agno, bucket_index, @@ -2045,7 +2045,7 @@ xfs_iunlink_update_dinode( struct xfs_mount *mp = tp->t_mountp; int offset; - ASSERT(xfs_verify_agino_or_null(mp, pag->pag_agno, next_agino)); + ASSERT(xfs_verify_agino_or_null(pag, next_agino)); trace_xfs_iunlink_update_dinode(mp, pag->pag_agno, agino, be32_to_cpu(dip->di_next_unlinked), next_agino); @@ -2075,7 +2075,7 @@ xfs_iunlink_update_inode( xfs_agino_t old_value; int error; - ASSERT(xfs_verify_agino_or_null(mp, pag->pag_agno, next_agino)); + ASSERT(xfs_verify_agino_or_null(pag, next_agino)); error = xfs_imap_to_bp(mp, tp, &ip->i_imap, &ibp); if (error) @@ -2084,7 +2084,7 @@ xfs_iunlink_update_inode( /* Make sure the old pointer isn't garbage. */ old_value = be32_to_cpu(dip->di_next_unlinked); - if (!xfs_verify_agino_or_null(mp, pag->pag_agno, old_value)) { + if (!xfs_verify_agino_or_null(pag, old_value)) { xfs_inode_verifier_error(ip, -EFSCORRUPTED, __func__, dip, sizeof(*dip), __this_address); error = -EFSCORRUPTED; @@ -2155,7 +2155,7 @@ xfs_iunlink( */ next_agino = be32_to_cpu(agi->agi_unlinked[bucket_index]); if (next_agino == agino || - !xfs_verify_agino_or_null(mp, pag->pag_agno, next_agino)) { + !xfs_verify_agino_or_null(pag, next_agino)) { xfs_buf_mark_corrupt(agibp); error = -EFSCORRUPTED; goto out; @@ -2291,7 +2291,7 @@ xfs_iunlink_map_prev( * Make sure this pointer is valid and isn't an obvious * infinite loop. */ - if (!xfs_verify_agino(mp, pag->pag_agno, unlinked_agino) || + if (!xfs_verify_agino(pag, unlinked_agino) || next_agino == unlinked_agino) { XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, @@ -2338,7 +2338,7 @@ xfs_iunlink_remove( * go on. Make sure the head pointer isn't garbage. */ head_agino = be32_to_cpu(agi->agi_unlinked[bucket_index]); - if (!xfs_verify_agino(mp, pag->pag_agno, head_agino)) { + if (!xfs_verify_agino(pag, head_agino)) { XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, agi, sizeof(*agi)); return -EFSCORRUPTED; |