diff options
Diffstat (limited to 'fs/xfs/xfs_itable.c')
| -rw-r--r-- | fs/xfs/xfs_itable.c | 68 |
1 files changed, 31 insertions, 37 deletions
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 305a9d0436f..e6dbe6ba6fb 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -325,9 +325,9 @@ xfs_bulkstat( int i; /* loop index */ int icount; /* count of inodes good in irbuf */ xfs_ino_t ino; /* inode number (filesystem) */ - xfs_inobt_rec_t *irbp; /* current irec buffer pointer */ - xfs_inobt_rec_t *irbuf; /* start of irec buffer */ - xfs_inobt_rec_t *irbufend; /* end of good irec buffer entries */ + xfs_inobt_rec_incore_t *irbp; /* current irec buffer pointer */ + xfs_inobt_rec_incore_t *irbuf; /* start of irec buffer */ + xfs_inobt_rec_incore_t *irbufend; /* end of good irec buffer entries */ xfs_ino_t lastino=0; /* last inode number returned */ int nbcluster; /* # of blocks in a cluster */ int nicluster; /* # of inodes in a cluster */ @@ -398,7 +398,7 @@ xfs_bulkstat( * Allocate and initialize a btree cursor for ialloc btree. */ cur = xfs_btree_init_cursor(mp, NULL, agbp, agno, XFS_BTNUM_INO, - (xfs_inode_t *)0, 0); + (xfs_inode_t *)0, 0); irbp = irbuf; irbufend = irbuf + nirbuf; end_of_ag = 0; @@ -435,9 +435,9 @@ xfs_bulkstat( gcnt++; } gfree |= XFS_INOBT_MASKN(0, chunkidx); - irbp->ir_startino = cpu_to_be32(gino); - irbp->ir_freecount = cpu_to_be32(gcnt); - irbp->ir_free = cpu_to_be64(gfree); + irbp->ir_startino = gino; + irbp->ir_freecount = gcnt; + irbp->ir_free = gfree; irbp++; agino = gino + XFS_INODES_PER_CHUNK; icount = XFS_INODES_PER_CHUNK - gcnt; @@ -491,11 +491,27 @@ xfs_bulkstat( } /* * If this chunk has any allocated inodes, save it. + * Also start read-ahead now for this chunk. */ if (gcnt < XFS_INODES_PER_CHUNK) { - irbp->ir_startino = cpu_to_be32(gino); - irbp->ir_freecount = cpu_to_be32(gcnt); - irbp->ir_free = cpu_to_be64(gfree); + /* + * Loop over all clusters in the next chunk. + * Do a readahead if there are any allocated + * inodes in that cluster. + */ + for (agbno = XFS_AGINO_TO_AGBNO(mp, gino), + chunkidx = 0; + chunkidx < XFS_INODES_PER_CHUNK; + chunkidx += nicluster, + agbno += nbcluster) { + if (XFS_INOBT_MASKN(chunkidx, + nicluster) & ~gfree) + xfs_btree_reada_bufs(mp, agno, + agbno, nbcluster); + } + irbp->ir_startino = gino; + irbp->ir_freecount = gcnt; + irbp->ir_free = gfree; irbp++; icount += XFS_INODES_PER_CHUNK - gcnt; } @@ -519,33 +535,11 @@ xfs_bulkstat( for (irbp = irbuf; irbp < irbufend && ubleft >= statstruct_size; irbp++) { /* - * Read-ahead the next chunk's worth of inodes. - */ - if (&irbp[1] < irbufend) { - /* - * Loop over all clusters in the next chunk. - * Do a readahead if there are any allocated - * inodes in that cluster. - */ - for (agbno = XFS_AGINO_TO_AGBNO(mp, - be32_to_cpu(irbp[1].ir_startino)), - chunkidx = 0; - chunkidx < XFS_INODES_PER_CHUNK; - chunkidx += nicluster, - agbno += nbcluster) { - if (XFS_INOBT_MASKN(chunkidx, - nicluster) & - ~(be64_to_cpu(irbp[1].ir_free))) - xfs_btree_reada_bufs(mp, agno, - agbno, nbcluster); - } - } - /* * Now process this chunk of inodes. */ - for (agino = be32_to_cpu(irbp->ir_startino), chunkidx = 0, clustidx = 0; + for (agino = irbp->ir_startino, chunkidx = clustidx = 0; ubleft > 0 && - be32_to_cpu(irbp->ir_freecount) < XFS_INODES_PER_CHUNK; + irbp->ir_freecount < XFS_INODES_PER_CHUNK; chunkidx++, clustidx++, agino++) { ASSERT(chunkidx < XFS_INODES_PER_CHUNK); /* @@ -565,7 +559,7 @@ xfs_bulkstat( */ if ((chunkidx & (nicluster - 1)) == 0) { agbno = XFS_AGINO_TO_AGBNO(mp, - be32_to_cpu(irbp->ir_startino)) + + irbp->ir_startino) + ((chunkidx & nimask) >> mp->m_sb.sb_inopblog); @@ -605,13 +599,13 @@ xfs_bulkstat( /* * Skip if this inode is free. */ - if (XFS_INOBT_MASK(chunkidx) & be64_to_cpu(irbp->ir_free)) + if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free) continue; /* * Count used inodes as free so we can tell * when the chunk is used up. */ - be32_add(&irbp->ir_freecount, 1); + irbp->ir_freecount++; ino = XFS_AGINO_TO_INO(mp, agno, agino); bno = XFS_AGB_TO_DADDR(mp, agno, agbno); if (!xfs_bulkstat_use_dinode(mp, flags, bp, |