]> err.no Git - linux-2.6/blobdiff - fs/xfs/xfs_fsops.c
Merge master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6
[linux-2.6] / fs / xfs / xfs_fsops.c
index 239e701e98227170969980116f086309016ae953..b4d971b01588954d2bf59a49346fe4dc98d0a9ee 100644 (file)
@@ -171,7 +171,7 @@ xfs_growfs_data_private(
                memset(&mp->m_perag[oagcount], 0,
                        (nagcount - oagcount) * sizeof(xfs_perag_t));
                mp->m_flags |= XFS_MOUNT_32BITINODES;
-               nagimax = 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);
@@ -191,28 +191,26 @@ 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);
+               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;
-               INT_SET(agf->agf_fllast, ARCH_CONVERT, XFS_AGFL_SIZE(mp) - 1);
+               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;
@@ -225,19 +223,18 @@ 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);
+               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;
-               INT_SET(agi->agi_root, ARCH_CONVERT, XFS_IBT_BLOCK(mp));
-               INT_SET(agi->agi_level, ARCH_CONVERT, 1);
+               agi->agi_root = cpu_to_be32(XFS_IBT_BLOCK(mp));
+               agi->agi_level = cpu_to_be32(1);
                agi->agi_freecount = 0;
-               INT_SET(agi->agi_newino, ARCH_CONVERT, NULLAGINO);
-               INT_SET(agi->agi_dirino, ARCH_CONVERT, NULLAGINO);
+               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;
@@ -250,17 +247,16 @@ 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);
+               block->bb_magic = cpu_to_be32(XFS_ABTB_MAGIC);
                block->bb_level = 0;
-               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_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;
@@ -273,18 +269,17 @@ 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);
+               block->bb_magic = cpu_to_be32(XFS_ABTC_MAGIC);
                block->bb_level = 0;
-               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_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;
@@ -297,11 +292,11 @@ 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);
+               block->bb_magic = cpu_to_be32(XFS_IBT_MAGIC);
                block->bb_level = 0;
                block->bb_numrecs = 0;
-               INT_SET(block->bb_leftsib, ARCH_CONVERT, NULLAGBLOCK);
-               INT_SET(block->bb_rightsib, ARCH_CONVERT, NULLAGBLOCK);
+               block->bb_leftsib = cpu_to_be32(NULLAGBLOCK);
+               block->bb_rightsib = cpu_to_be32(NULLAGBLOCK);
                error = xfs_bwrite(mp, bp);
                if (error) {
                        goto error0;
@@ -321,10 +316,9 @@ 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.
@@ -335,14 +329,14 @@ 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;
                }
@@ -507,7 +501,7 @@ xfs_reserve_blocks(
        if (inval == (__uint64_t *)NULL) {
                outval->resblks = mp->m_resblks;
                outval->resblks_avail = mp->m_resblks_avail;
-               return(0);
+               return 0;
        }
 
        request = *inval;
@@ -543,7 +537,33 @@ 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_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;
+       }
+
+       ip = mp->m_rootip;
+       xfs_ilock(ip, XFS_ILOCK_EXCL);
+
+       xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
+       xfs_trans_ihold(tp, ip);
+       xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+       xfs_trans_set_sync(tp);
+       xfs_trans_commit(tp, 0, NULL);
+
+       xfs_iunlock(ip, XFS_ILOCK_EXCL);
 }
 
 int
@@ -556,7 +576,7 @@ xfs_fs_goingdown(
                struct vfs *vfsp = XFS_MTOVFS(mp);
                struct super_block *sb = freeze_bdev(vfsp->vfs_super->s_bdev);
 
-               if (sb) {
+               if (sb && !IS_ERR(sb)) {
                        xfs_force_shutdown(mp, XFS_FORCE_UMOUNT);
                        thaw_bdev(sb->s_bdev, sb);
                }