diff options
Diffstat (limited to 'fs/xfs/xfs_iwalk.c')
| -rw-r--r-- | fs/xfs/xfs_iwalk.c | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/fs/xfs/xfs_iwalk.c b/fs/xfs/xfs_iwalk.c index b3275e8d47..01b55f03a1 100644 --- a/fs/xfs/xfs_iwalk.c +++ b/fs/xfs/xfs_iwalk.c @@ -22,6 +22,7 @@ #include "xfs_trans.h" #include "xfs_pwork.h" #include "xfs_ag.h" +#include "xfs_bit.h" /* * Walking Inodes in the Filesystem @@ -99,6 +100,7 @@ xfs_iwalk_ichunk_ra( struct xfs_inobt_rec_incore *irec) { struct xfs_ino_geometry *igeo = M_IGEO(mp); + xfs_agnumber_t agno = pag->pag_agno; xfs_agblock_t agbno; struct blk_plug plug; int i; /* inode chunk index */ @@ -111,8 +113,9 @@ xfs_iwalk_ichunk_ra( imask = xfs_inobt_maskn(i, igeo->inodes_per_cluster); if (imask & ~irec->ir_free) { - xfs_btree_reada_bufs(mp, pag->pag_agno, agbno, - igeo->blocks_per_cluster, + xfs_buf_readahead(mp->m_ddev_targp, + XFS_AGB_TO_DADDR(mp, agno, agbno), + igeo->blocks_per_cluster * mp->m_bsize, &xfs_inode_buf_ops); } agbno += igeo->blocks_per_cluster; @@ -131,21 +134,11 @@ xfs_iwalk_adjust_start( struct xfs_inobt_rec_incore *irec) /* btree record */ { int idx; /* index into inode chunk */ - int i; idx = agino - irec->ir_startino; - /* - * We got a right chunk with some left inodes allocated at it. Grab - * the chunk record. Mark all the uninteresting inodes free because - * they're before our start point. - */ - for (i = 0; i < idx; i++) { - if (XFS_INOBT_MASK(i) & ~irec->ir_free) - irec->ir_freecount++; - } - irec->ir_free |= xfs_inobt_maskn(0, idx); + irec->ir_freecount = hweight64(irec->ir_free); } /* Allocate memory for a walk. */ @@ -160,7 +153,7 @@ xfs_iwalk_alloc( /* Allocate a prefetch buffer for inobt records. */ size = iwag->sz_recs * sizeof(struct xfs_inobt_rec_incore); - iwag->recs = kmem_alloc(size, KM_MAYFAIL); + iwag->recs = kmalloc(size, GFP_KERNEL | __GFP_RETRY_MAYFAIL); if (iwag->recs == NULL) return -ENOMEM; @@ -172,7 +165,7 @@ STATIC void xfs_iwalk_free( struct xfs_iwalk_ag *iwag) { - kmem_free(iwag->recs); + kfree(iwag->recs); iwag->recs = NULL; } @@ -275,9 +268,10 @@ xfs_iwalk_ag_start( /* Set up a fresh cursor and empty the inobt cache. */ iwag->nr_recs = 0; - error = xfs_inobt_cur(pag, tp, XFS_BTNUM_INO, curpp, agi_bpp); + error = xfs_ialloc_read_agi(pag, tp, agi_bpp); if (error) return error; + *curpp = xfs_inobt_init_cursor(pag, tp, *agi_bpp); /* Starting at the beginning of the AG? That's easy! */ if (agino == 0) @@ -306,8 +300,10 @@ xfs_iwalk_ag_start( error = xfs_inobt_get_rec(*curpp, irec, has_more); if (error) return error; - if (XFS_IS_CORRUPT(mp, *has_more != 1)) + if (XFS_IS_CORRUPT(mp, *has_more != 1)) { + xfs_btree_mark_sick(*curpp); return -EFSCORRUPTED; + } iwag->lastino = XFS_AGINO_TO_INO(mp, pag->pag_agno, irec->ir_startino + XFS_INODES_PER_CHUNK - 1); @@ -390,11 +386,10 @@ xfs_iwalk_run_callbacks( } /* ...and recreate the cursor just past where we left off. */ - error = xfs_inobt_cur(iwag->pag, iwag->tp, XFS_BTNUM_INO, curpp, - agi_bpp); + error = xfs_ialloc_read_agi(iwag->pag, iwag->tp, agi_bpp); if (error) return error; - + *curpp = xfs_inobt_init_cursor(iwag->pag, iwag->tp, *agi_bpp); return xfs_inobt_lookup(*curpp, next_agino, XFS_LOOKUP_GE, has_more); } @@ -434,6 +429,7 @@ xfs_iwalk_ag( rec_fsino = XFS_AGINO_TO_INO(mp, pag->pag_agno, irec->ir_startino); if (iwag->lastino != NULLFSINO && XFS_IS_CORRUPT(mp, iwag->lastino >= rec_fsino)) { + xfs_btree_mark_sick(cur); error = -EFSCORRUPTED; goto out; } @@ -627,7 +623,7 @@ xfs_iwalk_ag_work( xfs_iwalk_free(iwag); out: xfs_perag_put(iwag->pag); - kmem_free(iwag); + kfree(iwag); return error; } @@ -663,7 +659,8 @@ xfs_iwalk_threaded( if (xfs_pwork_ctl_want_abort(&pctl)) break; - iwag = kmem_zalloc(sizeof(struct xfs_iwalk_ag), 0); + iwag = kzalloc(sizeof(struct xfs_iwalk_ag), + GFP_KERNEL | __GFP_NOFAIL); iwag->mp = mp; /* |