X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_fsops.c;h=c064e72ada9e2beaa32f5d7d43525901de91efa0;hb=refs%2Fheads%2Fvserver;hp=37b28e59e8c138ccd3ca33cb2971c6d323b4fa38;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 37b28e59e..c064e72ad 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -1,66 +1,49 @@ /* - * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2005 Silicon Graphics, Inc. + * All Rights Reserved. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation. * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ - #include "xfs.h" -#include "xfs_macros.h" +#include "xfs_fs.h" #include "xfs_types.h" +#include "xfs_bit.h" #include "xfs_inum.h" #include "xfs_log.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" +#include "xfs_ag.h" +#include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" -#include "xfs_ag.h" -#include "xfs_alloc_btree.h" #include "xfs_bmap_btree.h" +#include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" +#include "xfs_dir2_sf.h" +#include "xfs_attr_sf.h" +#include "xfs_dinode.h" +#include "xfs_inode.h" +#include "xfs_inode_item.h" #include "xfs_btree.h" #include "xfs_error.h" #include "xfs_alloc.h" #include "xfs_ialloc.h" #include "xfs_fsops.h" #include "xfs_itable.h" -#include "xfs_rw.h" -#include "xfs_refcache.h" #include "xfs_trans_space.h" #include "xfs_rtalloc.h" -#include "xfs_dir2.h" -#include "xfs_attr_sf.h" -#include "xfs_dir_sf.h" -#include "xfs_dir2_sf.h" -#include "xfs_dinode.h" -#include "xfs_inode.h" -#include "xfs_inode_item.h" +#include "xfs_rw.h" /* * File system operations @@ -110,7 +93,9 @@ xfs_fs_geometry( (XFS_SB_VERSION_HASDIRV2(&mp->m_sb) ? XFS_FSOP_GEOM_FLAGS_DIRV2 : 0) | (XFS_SB_VERSION_HASSECTOR(&mp->m_sb) ? - XFS_FSOP_GEOM_FLAGS_SECTOR : 0); + XFS_FSOP_GEOM_FLAGS_SECTOR : 0) | + (XFS_SB_VERSION_HASATTR2(&mp->m_sb) ? + XFS_FSOP_GEOM_FLAGS_ATTR2 : 0); geo->logsectsize = XFS_SB_VERSION_HASSECTOR(&mp->m_sb) ? mp->m_sb.sb_logsectsize : BBSIZE; geo->rtsectsize = mp->m_sb.sb_blocksize; @@ -142,6 +127,7 @@ xfs_growfs_data_private( int dpct; int error; xfs_agnumber_t nagcount; + xfs_agnumber_t nagimax = 0; xfs_rfsblock_t nb, nb_mod; xfs_rfsblock_t new; xfs_rfsblock_t nfree; @@ -183,7 +169,7 @@ xfs_growfs_data_private( memset(&mp->m_perag[oagcount], 0, (nagcount - oagcount) * sizeof(xfs_perag_t)); mp->m_flags |= XFS_MOUNT_32BITINODES; - xfs_initialize_perag(mp, nagcount); + nagimax = xfs_initialize_perag(XFS_MTOVFS(mp), mp, nagcount); up_write(&mp->m_peraglock); } tp = xfs_trans_alloc(mp, XFS_TRANS_GROWFS); @@ -203,28 +189,26 @@ xfs_growfs_data_private( XFS_FSS_TO_BB(mp, 1), 0); agf = XFS_BUF_TO_AGF(bp); memset(agf, 0, mp->m_sb.sb_sectsize); - INT_SET(agf->agf_magicnum, ARCH_CONVERT, XFS_AGF_MAGIC); - INT_SET(agf->agf_versionnum, ARCH_CONVERT, XFS_AGF_VERSION); - INT_SET(agf->agf_seqno, ARCH_CONVERT, agno); + agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC); + agf->agf_versionnum = cpu_to_be32(XFS_AGF_VERSION); + agf->agf_seqno = cpu_to_be32(agno); if (agno == nagcount - 1) agsize = nb - (agno * (xfs_rfsblock_t)mp->m_sb.sb_agblocks); else agsize = mp->m_sb.sb_agblocks; - INT_SET(agf->agf_length, ARCH_CONVERT, agsize); - INT_SET(agf->agf_roots[XFS_BTNUM_BNOi], ARCH_CONVERT, - XFS_BNO_BLOCK(mp)); - INT_SET(agf->agf_roots[XFS_BTNUM_CNTi], ARCH_CONVERT, - XFS_CNT_BLOCK(mp)); - INT_SET(agf->agf_levels[XFS_BTNUM_BNOi], ARCH_CONVERT, 1); - INT_SET(agf->agf_levels[XFS_BTNUM_CNTi], ARCH_CONVERT, 1); - INT_ZERO(agf->agf_flfirst, ARCH_CONVERT); - INT_SET(agf->agf_fllast, ARCH_CONVERT, XFS_AGFL_SIZE(mp) - 1); - INT_ZERO(agf->agf_flcount, ARCH_CONVERT); + agf->agf_length = cpu_to_be32(agsize); + agf->agf_roots[XFS_BTNUM_BNOi] = cpu_to_be32(XFS_BNO_BLOCK(mp)); + agf->agf_roots[XFS_BTNUM_CNTi] = cpu_to_be32(XFS_CNT_BLOCK(mp)); + agf->agf_levels[XFS_BTNUM_BNOi] = cpu_to_be32(1); + agf->agf_levels[XFS_BTNUM_CNTi] = cpu_to_be32(1); + agf->agf_flfirst = 0; + agf->agf_fllast = cpu_to_be32(XFS_AGFL_SIZE(mp) - 1); + agf->agf_flcount = 0; tmpsize = agsize - XFS_PREALLOC_BLOCKS(mp); - INT_SET(agf->agf_freeblks, ARCH_CONVERT, tmpsize); - INT_SET(agf->agf_longest, ARCH_CONVERT, tmpsize); + agf->agf_freeblks = cpu_to_be32(tmpsize); + agf->agf_longest = cpu_to_be32(tmpsize); error = xfs_bwrite(mp, bp); if (error) { goto error0; @@ -237,19 +221,18 @@ xfs_growfs_data_private( XFS_FSS_TO_BB(mp, 1), 0); agi = XFS_BUF_TO_AGI(bp); memset(agi, 0, mp->m_sb.sb_sectsize); - INT_SET(agi->agi_magicnum, ARCH_CONVERT, XFS_AGI_MAGIC); - INT_SET(agi->agi_versionnum, ARCH_CONVERT, XFS_AGI_VERSION); - INT_SET(agi->agi_seqno, ARCH_CONVERT, agno); - INT_SET(agi->agi_length, ARCH_CONVERT, agsize); - INT_ZERO(agi->agi_count, ARCH_CONVERT); - INT_SET(agi->agi_root, ARCH_CONVERT, XFS_IBT_BLOCK(mp)); - INT_SET(agi->agi_level, ARCH_CONVERT, 1); - INT_ZERO(agi->agi_freecount, ARCH_CONVERT); - INT_SET(agi->agi_newino, ARCH_CONVERT, NULLAGINO); - INT_SET(agi->agi_dirino, ARCH_CONVERT, NULLAGINO); + agi->agi_magicnum = cpu_to_be32(XFS_AGI_MAGIC); + agi->agi_versionnum = cpu_to_be32(XFS_AGI_VERSION); + agi->agi_seqno = cpu_to_be32(agno); + agi->agi_length = cpu_to_be32(agsize); + agi->agi_count = 0; + agi->agi_root = cpu_to_be32(XFS_IBT_BLOCK(mp)); + agi->agi_level = cpu_to_be32(1); + agi->agi_freecount = 0; + agi->agi_newino = cpu_to_be32(NULLAGINO); + agi->agi_dirino = cpu_to_be32(NULLAGINO); for (bucket = 0; bucket < XFS_AGI_UNLINKED_BUCKETS; bucket++) - INT_SET(agi->agi_unlinked[bucket], ARCH_CONVERT, - NULLAGINO); + agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO); error = xfs_bwrite(mp, bp); if (error) { goto error0; @@ -262,17 +245,16 @@ xfs_growfs_data_private( BTOBB(mp->m_sb.sb_blocksize), 0); block = XFS_BUF_TO_SBLOCK(bp); memset(block, 0, mp->m_sb.sb_blocksize); - INT_SET(block->bb_magic, ARCH_CONVERT, XFS_ABTB_MAGIC); - INT_ZERO(block->bb_level, ARCH_CONVERT); - INT_SET(block->bb_numrecs, ARCH_CONVERT, 1); - INT_SET(block->bb_leftsib, ARCH_CONVERT, NULLAGBLOCK); - INT_SET(block->bb_rightsib, ARCH_CONVERT, NULLAGBLOCK); + block->bb_magic = cpu_to_be32(XFS_ABTB_MAGIC); + block->bb_level = 0; + block->bb_numrecs = cpu_to_be16(1); + block->bb_leftsib = cpu_to_be32(NULLAGBLOCK); + block->bb_rightsib = cpu_to_be32(NULLAGBLOCK); arec = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_alloc, block, 1, mp->m_alloc_mxr[0]); - INT_SET(arec->ar_startblock, ARCH_CONVERT, - XFS_PREALLOC_BLOCKS(mp)); - INT_SET(arec->ar_blockcount, ARCH_CONVERT, - agsize - INT_GET(arec->ar_startblock, ARCH_CONVERT)); + arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); + arec->ar_blockcount = cpu_to_be32( + agsize - be32_to_cpu(arec->ar_startblock)); error = xfs_bwrite(mp, bp); if (error) { goto error0; @@ -285,18 +267,17 @@ xfs_growfs_data_private( BTOBB(mp->m_sb.sb_blocksize), 0); block = XFS_BUF_TO_SBLOCK(bp); memset(block, 0, mp->m_sb.sb_blocksize); - INT_SET(block->bb_magic, ARCH_CONVERT, XFS_ABTC_MAGIC); - INT_ZERO(block->bb_level, ARCH_CONVERT); - INT_SET(block->bb_numrecs, ARCH_CONVERT, 1); - INT_SET(block->bb_leftsib, ARCH_CONVERT, NULLAGBLOCK); - INT_SET(block->bb_rightsib, ARCH_CONVERT, NULLAGBLOCK); + block->bb_magic = cpu_to_be32(XFS_ABTC_MAGIC); + block->bb_level = 0; + block->bb_numrecs = cpu_to_be16(1); + block->bb_leftsib = cpu_to_be32(NULLAGBLOCK); + block->bb_rightsib = cpu_to_be32(NULLAGBLOCK); arec = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_alloc, block, 1, mp->m_alloc_mxr[0]); - INT_SET(arec->ar_startblock, ARCH_CONVERT, - XFS_PREALLOC_BLOCKS(mp)); - INT_SET(arec->ar_blockcount, ARCH_CONVERT, - agsize - INT_GET(arec->ar_startblock, ARCH_CONVERT)); - nfree += INT_GET(arec->ar_blockcount, ARCH_CONVERT); + arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); + arec->ar_blockcount = cpu_to_be32( + agsize - be32_to_cpu(arec->ar_startblock)); + nfree += be32_to_cpu(arec->ar_blockcount); error = xfs_bwrite(mp, bp); if (error) { goto error0; @@ -309,11 +290,11 @@ xfs_growfs_data_private( BTOBB(mp->m_sb.sb_blocksize), 0); block = XFS_BUF_TO_SBLOCK(bp); memset(block, 0, mp->m_sb.sb_blocksize); - INT_SET(block->bb_magic, ARCH_CONVERT, XFS_IBT_MAGIC); - INT_ZERO(block->bb_level, ARCH_CONVERT); - INT_ZERO(block->bb_numrecs, ARCH_CONVERT); - INT_SET(block->bb_leftsib, ARCH_CONVERT, NULLAGBLOCK); - INT_SET(block->bb_rightsib, ARCH_CONVERT, NULLAGBLOCK); + block->bb_magic = cpu_to_be32(XFS_IBT_MAGIC); + block->bb_level = 0; + block->bb_numrecs = 0; + block->bb_leftsib = cpu_to_be32(NULLAGBLOCK); + block->bb_rightsib = cpu_to_be32(NULLAGBLOCK); error = xfs_bwrite(mp, bp); if (error) { goto error0; @@ -333,10 +314,9 @@ xfs_growfs_data_private( } ASSERT(bp); agi = XFS_BUF_TO_AGI(bp); - INT_MOD(agi->agi_length, ARCH_CONVERT, new); + be32_add(&agi->agi_length, new); ASSERT(nagcount == oagcount || - INT_GET(agi->agi_length, ARCH_CONVERT) == - mp->m_sb.sb_agblocks); + be32_to_cpu(agi->agi_length) == mp->m_sb.sb_agblocks); xfs_ialloc_log_agi(tp, bp, XFS_AGI_LENGTH); /* * Change agf length. @@ -347,14 +327,14 @@ xfs_growfs_data_private( } ASSERT(bp); agf = XFS_BUF_TO_AGF(bp); - INT_MOD(agf->agf_length, ARCH_CONVERT, new); - ASSERT(INT_GET(agf->agf_length, ARCH_CONVERT) == - INT_GET(agi->agi_length, ARCH_CONVERT)); + be32_add(&agf->agf_length, new); + ASSERT(be32_to_cpu(agf->agf_length) == + be32_to_cpu(agi->agi_length)); /* * Free the new space. */ error = xfs_free_extent(tp, XFS_AGB_TO_FSB(mp, agno, - INT_GET(agf->agf_length, ARCH_CONVERT) - new), new); + be32_to_cpu(agf->agf_length) - new), new); if (error) { goto error0; } @@ -372,6 +352,9 @@ xfs_growfs_data_private( if (error) { return error; } + /* New allocation groups fully initialized, so update mount struct */ + if (nagimax) + mp->m_maxagi = nagimax; if (mp->m_sb.sb_imax_pct) { __uint64_t icount = mp->m_sb.sb_dblocks * mp->m_sb.sb_imax_pct; do_div(icount, 100); @@ -389,7 +372,7 @@ xfs_growfs_data_private( break; } sbp = XFS_BUF_TO_SBP(bp); - xfs_xlatesb(sbp, &mp->m_sb, -1, ARCH_CONVERT, XFS_SB_ALL_BITS); + xfs_xlatesb(sbp, &mp->m_sb, -1, XFS_SB_ALL_BITS); /* * If we get an error writing out the alternate superblocks, * just issue a warning and continue. The real work is @@ -477,8 +460,9 @@ xfs_fs_counts( { unsigned long s; + xfs_icsb_sync_counters_lazy(mp); s = XFS_SB_LOCK(mp); - cnt->freedata = mp->m_sb.sb_fdblocks; + cnt->freedata = mp->m_sb.sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp); cnt->freertx = mp->m_sb.sb_frextents; cnt->freeino = mp->m_sb.sb_ifree; cnt->allocino = mp->m_sb.sb_icount; @@ -491,7 +475,7 @@ xfs_fs_counts( * * xfs_reserve_blocks is called to set m_resblks * in the in-core mount table. The number of unused reserved blocks - * is kept in m_resbls_avail. + * is kept in m_resblks_avail. * * Reserve the requested number of blocks if available. Otherwise return * as many as possible to satisfy the request. The actual number @@ -507,16 +491,16 @@ xfs_reserve_blocks( __uint64_t *inval, xfs_fsop_resblks_t *outval) { - __uint64_t lcounter, delta; - __uint64_t request; - unsigned long s; + __int64_t lcounter, delta; + __uint64_t request; + unsigned long s; /* If inval is null, report current values and return */ if (inval == (__uint64_t *)NULL) { outval->resblks = mp->m_resblks; outval->resblks_avail = mp->m_resblks_avail; - return(0); + return 0; } request = *inval; @@ -535,16 +519,19 @@ xfs_reserve_blocks( } mp->m_resblks = request; } else { + __int64_t free; + + free = mp->m_sb.sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp); delta = request - mp->m_resblks; - lcounter = mp->m_sb.sb_fdblocks; - lcounter -= delta; + lcounter = free - delta; if (lcounter < 0) { /* We can't satisfy the request, just get what we can */ - mp->m_resblks += mp->m_sb.sb_fdblocks; - mp->m_resblks_avail += mp->m_sb.sb_fdblocks; - mp->m_sb.sb_fdblocks = 0; + mp->m_resblks += free; + mp->m_resblks_avail += free; + mp->m_sb.sb_fdblocks = XFS_ALLOC_SET_ASIDE(mp); } else { - mp->m_sb.sb_fdblocks = lcounter; + mp->m_sb.sb_fdblocks = + lcounter + XFS_ALLOC_SET_ASIDE(mp); mp->m_resblks = request; mp->m_resblks_avail += delta; } @@ -553,18 +540,17 @@ xfs_reserve_blocks( outval->resblks = mp->m_resblks; outval->resblks_avail = mp->m_resblks_avail; XFS_SB_UNLOCK(mp, s); - return(0); + return 0; } void -xfs_fs_log_dummy(xfs_mount_t *mp) +xfs_fs_log_dummy( + xfs_mount_t *mp) { - xfs_trans_t *tp; - xfs_inode_t *ip; - + xfs_trans_t *tp; + xfs_inode_t *ip; tp = _xfs_trans_alloc(mp, XFS_TRANS_DUMMY1); - atomic_inc(&mp->m_active_trans); if (xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0)) { xfs_trans_cancel(tp, 0); return; @@ -576,7 +562,8 @@ xfs_fs_log_dummy(xfs_mount_t *mp) xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); xfs_trans_ihold(tp, ip); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - xfs_trans_commit(tp, XFS_TRANS_SYNC, NULL); + xfs_trans_set_sync(tp); + xfs_trans_commit(tp, 0, NULL); xfs_iunlock(ip, XFS_ILOCK_EXCL); } @@ -586,26 +573,24 @@ xfs_fs_goingdown( xfs_mount_t *mp, __uint32_t inflags) { - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - switch (inflags) { case XFS_FSOP_GOING_FLAGS_DEFAULT: { - struct vfs *vfsp = XFS_MTOVFS(mp); + struct bhv_vfs *vfsp = XFS_MTOVFS(mp); struct super_block *sb = freeze_bdev(vfsp->vfs_super->s_bdev); - if (sb) { - xfs_force_shutdown(mp, XFS_FORCE_UMOUNT); + if (sb && !IS_ERR(sb)) { + xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT); thaw_bdev(sb->s_bdev, sb); } - + break; } case XFS_FSOP_GOING_FLAGS_LOGFLUSH: - xfs_force_shutdown(mp, XFS_FORCE_UMOUNT); + xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT); break; case XFS_FSOP_GOING_FLAGS_NOLOGFLUSH: - xfs_force_shutdown(mp, XFS_FORCE_UMOUNT|XFS_LOG_IO_ERROR); + xfs_force_shutdown(mp, + SHUTDOWN_FORCE_UMOUNT | SHUTDOWN_LOG_IO_ERROR); break; default: return XFS_ERROR(EINVAL);