diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-30 17:48:25 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-30 17:48:25 -0800 |
commit | 6a94cb73064c952255336cc57731904174b2c58f (patch) | |
tree | d19cc835db0a21e01909a92772868e1ad96f99ff /fs/xfs/xfs_log_recover.c | |
parent | f57fa1d6a6b3414e853d3d17e339ac48816e4406 (diff) | |
parent | 0a8c5395f90f06d128247844b2515c8bf3f2826b (diff) |
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: (184 commits)
[XFS] Fix race in xfs_write() between direct and buffered I/O with DMAPI
[XFS] handle unaligned data in xfs_bmbt_disk_get_all
[XFS] avoid memory allocations in xfs_fs_vcmn_err
[XFS] Fix speculative allocation beyond eof
[XFS] Remove XFS_BUF_SHUT() and friends
[XFS] Use the incore inode size in xfs_file_readdir()
[XFS] set b_error from bio error in xfs_buf_bio_end_io
[XFS] use inode_change_ok for setattr permission checking
[XFS] add a FMODE flag to make XFS invisible I/O less hacky
[XFS] resync headers with libxfs
[XFS] simplify projid check in xfs_rename
[XFS] replace b_fspriv with b_mount
[XFS] Remove unused tracing code
[XFS] Remove unnecessary assertion
[XFS] Remove unused variable in ktrace_free()
[XFS] Check return value of xfs_buf_get_noaddr()
[XFS] Fix hang after disallowed rename across directory quota domains
[XFS] Fix compile with CONFIG_COMPAT enabled
move inode tracing out of xfs_vnode.
move vn_iowait / vn_iowake into xfs_aops.c
...
Diffstat (limited to 'fs/xfs/xfs_log_recover.c')
-rw-r--r-- | fs/xfs/xfs_log_recover.c | 416 |
1 files changed, 165 insertions, 251 deletions
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 70e3ba32e6b..35cca98bd94 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -36,7 +36,6 @@ #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" -#include "xfs_imap.h" #include "xfs_alloc.h" #include "xfs_ialloc.h" #include "xfs_log_priv.h" @@ -54,10 +53,8 @@ STATIC void xlog_recover_insert_item_backq(xlog_recover_item_t **q, xlog_recover_item_t *item); #if defined(DEBUG) STATIC void xlog_recover_check_summary(xlog_t *); -STATIC void xlog_recover_check_ail(xfs_mount_t *, xfs_log_item_t *, int); #else #define xlog_recover_check_summary(log) -#define xlog_recover_check_ail(mp, lip, gen) #endif @@ -270,21 +267,16 @@ STATIC void xlog_recover_iodone( struct xfs_buf *bp) { - xfs_mount_t *mp; - - ASSERT(XFS_BUF_FSPRIVATE(bp, void *)); - if (XFS_BUF_GETERROR(bp)) { /* * We're not going to bother about retrying * this during recovery. One strike! */ - mp = XFS_BUF_FSPRIVATE(bp, xfs_mount_t *); xfs_ioerror_alert("xlog_recover_iodone", - mp, bp, XFS_BUF_ADDR(bp)); - xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR); + bp->b_mount, bp, XFS_BUF_ADDR(bp)); + xfs_force_shutdown(bp->b_mount, SHUTDOWN_META_IO_ERROR); } - XFS_BUF_SET_FSPRIVATE(bp, NULL); + bp->b_mount = NULL; XFS_BUF_CLR_IODONE_FUNC(bp); xfs_biodone(bp); } @@ -2228,9 +2220,8 @@ xlog_recover_do_buffer_trans( XFS_BUF_STALE(bp); error = xfs_bwrite(mp, bp); } else { - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) == NULL || - XFS_BUF_FSPRIVATE(bp, xfs_mount_t *) == mp); - XFS_BUF_SET_FSPRIVATE(bp, mp); + ASSERT(bp->b_mount == NULL || bp->b_mount == mp); + bp->b_mount = mp; XFS_BUF_SET_IODONE_FUNC(bp, xlog_recover_iodone); xfs_bdwrite(mp, bp); } @@ -2247,7 +2238,6 @@ xlog_recover_do_inode_trans( xfs_inode_log_format_t *in_f; xfs_mount_t *mp; xfs_buf_t *bp; - xfs_imap_t imap; xfs_dinode_t *dip; xfs_ino_t ino; int len; @@ -2275,54 +2265,35 @@ xlog_recover_do_inode_trans( } ino = in_f->ilf_ino; mp = log->l_mp; - if (ITEM_TYPE(item) == XFS_LI_INODE) { - imap.im_blkno = (xfs_daddr_t)in_f->ilf_blkno; - imap.im_len = in_f->ilf_len; - imap.im_boffset = in_f->ilf_boffset; - } else { - /* - * It's an old inode format record. We don't know where - * its cluster is located on disk, and we can't allow - * xfs_imap() to figure it out because the inode btrees - * are not ready to be used. Therefore do not pass the - * XFS_IMAP_LOOKUP flag to xfs_imap(). This will give - * us only the single block in which the inode lives - * rather than its cluster, so we must make sure to - * invalidate the buffer when we write it out below. - */ - imap.im_blkno = 0; - error = xfs_imap(log->l_mp, NULL, ino, &imap, 0); - if (error) - goto error; - } /* * Inode buffers can be freed, look out for it, * and do not replay the inode. */ - if (xlog_check_buffer_cancelled(log, imap.im_blkno, imap.im_len, 0)) { + if (xlog_check_buffer_cancelled(log, in_f->ilf_blkno, + in_f->ilf_len, 0)) { error = 0; goto error; } - bp = xfs_buf_read_flags(mp->m_ddev_targp, imap.im_blkno, imap.im_len, - XFS_BUF_LOCK); + bp = xfs_buf_read_flags(mp->m_ddev_targp, in_f->ilf_blkno, + in_f->ilf_len, XFS_BUF_LOCK); if (XFS_BUF_ISERROR(bp)) { xfs_ioerror_alert("xlog_recover_do..(read#2)", mp, - bp, imap.im_blkno); + bp, in_f->ilf_blkno); error = XFS_BUF_GETERROR(bp); xfs_buf_relse(bp); goto error; } error = 0; ASSERT(in_f->ilf_fields & XFS_ILOG_CORE); - dip = (xfs_dinode_t *)xfs_buf_offset(bp, imap.im_boffset); + dip = (xfs_dinode_t *)xfs_buf_offset(bp, in_f->ilf_boffset); /* * Make sure the place we're flushing out to really looks * like an inode! */ - if (unlikely(be16_to_cpu(dip->di_core.di_magic) != XFS_DINODE_MAGIC)) { + if (unlikely(be16_to_cpu(dip->di_magic) != XFS_DINODE_MAGIC)) { xfs_buf_relse(bp); xfs_fs_cmn_err(CE_ALERT, mp, "xfs_inode_recover: Bad inode magic number, dino ptr = 0x%p, dino bp = 0x%p, ino = %Ld", @@ -2345,12 +2316,12 @@ xlog_recover_do_inode_trans( } /* Skip replay when the on disk inode is newer than the log one */ - if (dicp->di_flushiter < be16_to_cpu(dip->di_core.di_flushiter)) { + if (dicp->di_flushiter < be16_to_cpu(dip->di_flushiter)) { /* * Deal with the wrap case, DI_MAX_FLUSH is less * than smaller numbers */ - if (be16_to_cpu(dip->di_core.di_flushiter) == DI_MAX_FLUSH && + if (be16_to_cpu(dip->di_flushiter) == DI_MAX_FLUSH && dicp->di_flushiter < (DI_MAX_FLUSH >> 1)) { /* do nothing */ } else { @@ -2410,7 +2381,7 @@ xlog_recover_do_inode_trans( error = EFSCORRUPTED; goto error; } - if (unlikely(item->ri_buf[1].i_len > sizeof(xfs_dinode_core_t))) { + if (unlikely(item->ri_buf[1].i_len > sizeof(struct xfs_icdinode))) { XFS_CORRUPTION_ERROR("xlog_recover_do_inode_trans(7)", XFS_ERRLEVEL_LOW, mp, dicp); xfs_buf_relse(bp); @@ -2422,23 +2393,24 @@ xlog_recover_do_inode_trans( } /* The core is in in-core format */ - xfs_dinode_to_disk(&dip->di_core, - (xfs_icdinode_t *)item->ri_buf[1].i_addr); + xfs_dinode_to_disk(dip, (xfs_icdinode_t *)item->ri_buf[1].i_addr); /* the rest is in on-disk format */ - if (item->ri_buf[1].i_len > sizeof(xfs_dinode_core_t)) { - memcpy((xfs_caddr_t) dip + sizeof(xfs_dinode_core_t), - item->ri_buf[1].i_addr + sizeof(xfs_dinode_core_t), - item->ri_buf[1].i_len - sizeof(xfs_dinode_core_t)); + if (item->ri_buf[1].i_len > sizeof(struct xfs_icdinode)) { + memcpy((xfs_caddr_t) dip + sizeof(struct xfs_icdinode), + item->ri_buf[1].i_addr + sizeof(struct xfs_icdinode), + item->ri_buf[1].i_len - sizeof(struct xfs_icdinode)); } fields = in_f->ilf_fields; switch (fields & (XFS_ILOG_DEV | XFS_ILOG_UUID)) { case XFS_ILOG_DEV: - dip->di_u.di_dev = cpu_to_be32(in_f->ilf_u.ilfu_rdev); + xfs_dinode_put_rdev(dip, in_f->ilf_u.ilfu_rdev); break; case XFS_ILOG_UUID: - dip->di_u.di_muuid = in_f->ilf_u.ilfu_uuid; + memcpy(XFS_DFORK_DPTR(dip), + &in_f->ilf_u.ilfu_uuid, + sizeof(uuid_t)); break; } @@ -2454,12 +2426,12 @@ xlog_recover_do_inode_trans( switch (fields & XFS_ILOG_DFORK) { case XFS_ILOG_DDATA: case XFS_ILOG_DEXT: - memcpy(&dip->di_u, src, len); + memcpy(XFS_DFORK_DPTR(dip), src, len); break; case XFS_ILOG_DBROOT: - xfs_bmbt_to_bmdr((xfs_bmbt_block_t *)src, len, - &(dip->di_u.di_bmbt), + xfs_bmbt_to_bmdr(mp, (struct xfs_btree_block *)src, len, + (xfs_bmdr_block_t *)XFS_DFORK_DPTR(dip), XFS_DFORK_DSIZE(dip, mp)); break; @@ -2496,8 +2468,8 @@ xlog_recover_do_inode_trans( case XFS_ILOG_ABROOT: dest = XFS_DFORK_APTR(dip); - xfs_bmbt_to_bmdr((xfs_bmbt_block_t *)src, len, - (xfs_bmdr_block_t*)dest, + xfs_bmbt_to_bmdr(mp, (struct xfs_btree_block *)src, + len, (xfs_bmdr_block_t*)dest, XFS_DFORK_ASIZE(dip, mp)); break; @@ -2512,9 +2484,8 @@ xlog_recover_do_inode_trans( write_inode_buffer: if (ITEM_TYPE(item) == XFS_LI_INODE) { - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) == NULL || - XFS_BUF_FSPRIVATE(bp, xfs_mount_t *) == mp); - XFS_BUF_SET_FSPRIVATE(bp, mp); + ASSERT(bp->b_mount == NULL || bp->b_mount == mp); + bp->b_mount = mp; XFS_BUF_SET_IODONE_FUNC(bp, xlog_recover_iodone); xfs_bdwrite(mp, bp); } else { @@ -2645,9 +2616,8 @@ xlog_recover_do_dquot_trans( memcpy(ddq, recddq, item->ri_buf[1].i_len); ASSERT(dq_f->qlf_size == 2); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) == NULL || - XFS_BUF_FSPRIVATE(bp, xfs_mount_t *) == mp); - XFS_BUF_SET_FSPRIVATE(bp, mp); + ASSERT(bp->b_mount == NULL || bp->b_mount == mp); + bp->b_mount = mp; XFS_BUF_SET_IODONE_FUNC(bp, xlog_recover_iodone); xfs_bdwrite(mp, bp); @@ -2689,11 +2659,11 @@ xlog_recover_do_efi_trans( efip->efi_next_extent = efi_formatp->efi_nextents; efip->efi_flags |= XFS_EFI_COMMITTED; - spin_lock(&mp->m_ail_lock); + spin_lock(&log->l_ailp->xa_lock); /* - * xfs_trans_update_ail() drops the AIL lock. + * xfs_trans_ail_update() drops the AIL lock. */ - xfs_trans_update_ail(mp, (xfs_log_item_t *)efip, lsn); + xfs_trans_ail_update(log->l_ailp, (xfs_log_item_t *)efip, lsn); return 0; } @@ -2712,12 +2682,12 @@ xlog_recover_do_efd_trans( xlog_recover_item_t *item, int pass) { - xfs_mount_t *mp; xfs_efd_log_format_t *efd_formatp; xfs_efi_log_item_t *efip = NULL; xfs_log_item_t *lip; - int gen; __uint64_t efi_id; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp = log->l_ailp; if (pass == XLOG_RECOVER_PASS1) { return; @@ -2734,25 +2704,26 @@ xlog_recover_do_efd_trans( * Search for the efi with the id in the efd format structure * in the AIL. */ - mp = log->l_mp; - spin_lock(&mp->m_ail_lock); - lip = xfs_trans_first_ail(mp, &gen); + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); while (lip != NULL) { if (lip->li_type == XFS_LI_EFI) { efip = (xfs_efi_log_item_t *)lip; if (efip->efi_format.efi_id == efi_id) { /* - * xfs_trans_delete_ail() drops the + * xfs_trans_ail_delete() drops the * AIL lock. */ - xfs_trans_delete_ail(mp, lip); + xfs_trans_ail_delete(ailp, lip); xfs_efi_item_free(efip); - return; + spin_lock(&ailp->xa_lock); + break; } } - lip = xfs_trans_next_ail(mp, lip, &gen, NULL); + lip = xfs_trans_ail_cursor_next(ailp, &cur); } - spin_unlock(&mp->m_ail_lock); + xfs_trans_ail_cursor_done(ailp, &cur); + spin_unlock(&ailp->xa_lock); } /* @@ -3036,33 +3007,6 @@ abort_error: } /* - * Verify that once we've encountered something other than an EFI - * in the AIL that there are no more EFIs in the AIL. - */ -#if defined(DEBUG) -STATIC void -xlog_recover_check_ail( - xfs_mount_t *mp, - xfs_log_item_t *lip, - int gen) -{ - int orig_gen = gen; - - do { - ASSERT(lip->li_type != XFS_LI_EFI); - lip = xfs_trans_next_ail(mp, lip, &gen, NULL); - /* - * The check will be bogus if we restart from the - * beginning of the AIL, so ASSERT that we don't. - * We never should since we're holding the AIL lock - * the entire time. - */ - ASSERT(gen == orig_gen); - } while (lip != NULL); -} -#endif /* DEBUG */ - -/* * When this is called, all of the EFIs which did not have * corresponding EFDs should be in the AIL. What we do now * is free the extents associated with each one. @@ -3086,20 +3030,23 @@ xlog_recover_process_efis( { xfs_log_item_t *lip; xfs_efi_log_item_t *efip; - int gen; - xfs_mount_t *mp; int error = 0; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp; - mp = log->l_mp; - spin_lock(&mp->m_ail_lock); - - lip = xfs_trans_first_ail(mp, &gen); + ailp = log->l_ailp; + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); while (lip != NULL) { /* * We're done when we see something other than an EFI. + * There should be no EFIs left in the AIL now. */ if (lip->li_type != XFS_LI_EFI) { - xlog_recover_check_ail(mp, lip, gen); +#ifdef DEBUG + for (; lip; lip = xfs_trans_ail_cursor_next(ailp, &cur)) + ASSERT(lip->li_type != XFS_LI_EFI); +#endif break; } @@ -3108,18 +3055,20 @@ xlog_recover_process_efis( */ efip = (xfs_efi_log_item_t *)lip; if (efip->efi_flags & XFS_EFI_RECOVERED) { - lip = xfs_trans_next_ail(mp, lip, &gen, NULL); + lip = xfs_trans_ail_cursor_next(ailp, &cur); continue; } - spin_unlock(&mp->m_ail_lock); - error = xlog_recover_process_efi(mp, efip); + spin_unlock(&ailp->xa_lock); + error = xlog_recover_process_efi(log->l_mp, efip); + spin_lock(&ailp->xa_lock); if (error) - return error; - spin_lock(&mp->m_ail_lock); - lip = xfs_trans_next_ail(mp, lip, &gen, NULL); + goto out; + lip = xfs_trans_ail_cursor_next(ailp, &cur); } - spin_unlock(&mp->m_ail_lock); +out: + xfs_trans_ail_cursor_done(ailp, &cur); + spin_unlock(&ailp->xa_lock); return error; } @@ -3140,19 +3089,16 @@ xlog_recover_clear_agi_bucket( int error; tp = xfs_trans_alloc(mp, XFS_TRANS_CLEAR_AGI_BUCKET); - error = xfs_trans_reserve(tp, 0, XFS_CLEAR_AGI_BUCKET_LOG_RES(mp), 0, 0, 0); - if (!error) - error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, - XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)), - XFS_FSS_TO_BB(mp, 1), 0, &agibp); + error = xfs_trans_reserve(tp, 0, XFS_CLEAR_AGI_BUCKET_LOG_RES(mp), + 0, 0, 0); if (error) goto out_abort; - error = EINVAL; - agi = XFS_BUF_TO_AGI(agibp); - if (be32_to_cpu(agi->agi_magicnum) != XFS_AGI_MAGIC) + error = xfs_read_agi(mp, tp, agno, &agibp); + if (error) goto out_abort; + agi = XFS_BUF_TO_AGI(agibp); agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO); offset = offsetof(xfs_agi_t, agi_unlinked) + (sizeof(xfs_agino_t) * bucket); @@ -3172,6 +3118,62 @@ out_error: return; } +STATIC xfs_agino_t +xlog_recover_process_one_iunlink( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agino_t agino, + int bucket) +{ + struct xfs_buf *ibp; + struct xfs_dinode *dip; + struct xfs_inode *ip; + xfs_ino_t ino; + int error; + + ino = XFS_AGINO_TO_INO(mp, agno, agino); + error = xfs_iget(mp, NULL, ino, 0, 0, &ip, 0); + if (error) + goto fail; + + /* + * Get the on disk inode to find the next inode in the bucket. + */ + error = xfs_itobp(mp, NULL, ip, &dip, &ibp, XFS_BUF_LOCK); + if (error) + goto fail_iput; + + ASSERT(ip->i_d.di_nlink == 0); + ASSERT(ip->i_d.di_mode != 0); + + /* setup for the next pass */ + agino = be32_to_cpu(dip->di_next_unlinked); + xfs_buf_relse(ibp); + + /* + * Prevent any DMAPI event from being sent when the reference on + * the inode is dropped. + */ + ip->i_d.di_dmevmask = 0; + + IRELE(ip); + return agino; + + fail_iput: + IRELE(ip); + fail: + /* + * We can't read in the inode this bucket points to, or this inode + * is messed up. Just ditch this bucket of inodes. We will lose + * some inodes and space, but at least we won't hang. + * + * Call xlog_recover_clear_agi_bucket() to perform a transaction to + * clear the inode pointer in the bucket. + */ + xlog_recover_clear_agi_bucket(mp, agno, bucket); + return NULLAGINO; +} + /* * xlog_iunlink_recover * @@ -3192,11 +3194,7 @@ xlog_recover_process_iunlinks( xfs_agnumber_t agno; xfs_agi_t *agi; xfs_buf_t *agibp; - xfs_buf_t *ibp; - xfs_dinode_t *dip; - xfs_inode_t *ip; xfs_agino_t agino; - xfs_ino_t ino; int bucket; int error; uint mp_dmevmask; @@ -3213,22 +3211,21 @@ xlog_recover_process_iunlinks( /* * Find the agi for this ag. */ - agibp = xfs_buf_read(mp->m_ddev_targp, - XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)), - XFS_FSS_TO_BB(mp, 1), 0); - if (XFS_BUF_ISERROR(agibp)) { - xfs_ioerror_alert("xlog_recover_process_iunlinks(#1)", - log->l_mp, agibp, - XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp))); + error = xfs_read_agi(mp, NULL, agno, &agibp); + if (error) { + /* + * AGI is b0rked. Don't process it. + * + * We should probably mark the filesystem as corrupt + * after we've recovered all the ag's we can.... + */ + continue; } agi = XFS_BUF_TO_AGI(agibp); - ASSERT(XFS_AGI_MAGIC == be32_to_cpu(agi->agi_magicnum)); for (bucket = 0; bucket < XFS_AGI_UNLINKED_BUCKETS; bucket++) { - agino = be32_to_cpu(agi->agi_unlinked[bucket]); while (agino != NULLAGINO) { - /* * Release the agi buffer so that it can * be acquired in the normal course of the @@ -3236,87 +3233,17 @@ xlog_recover_process_iunlinks( */ xfs_buf_relse(agibp); - ino = XFS_AGINO_TO_INO(mp, agno, agino); - error = xfs_iget(mp, NULL, ino, 0, 0, &ip, 0); - ASSERT(error || (ip != NULL)); - - if (!error) { - /* - * Get the on disk inode to find the - * next inode in the bucket. - */ - error = xfs_itobp(mp, NULL, ip, &dip, - &ibp, 0, 0, - XFS_BUF_LOCK); - ASSERT(error || (dip != NULL)); - } - - if (!error) { - ASSERT(ip->i_d.di_nlink == 0); - - /* setup for the next pass */ - agino = be32_to_cpu( - dip->di_next_unlinked); - xfs_buf_relse(ibp); - /* - * Prevent any DMAPI event from - * being sent when the - * reference on the inode is - * dropped. - */ - ip->i_d.di_dmevmask = 0; - - /* - * If this is a new inode, handle - * it specially. Otherwise, - * just drop our reference to the - * inode. If there are no - * other references, this will - * send the inode to - * xfs_inactive() which will - * truncate the file and free - * the inode. - */ - if (ip->i_d.di_mode == 0) - xfs_iput_new(ip, 0); - else - IRELE(ip); - } else { - /* - * We can't read in the inode - * this bucket points to, or - * this inode is messed up. Just - * ditch this bucket of inodes. We - * will lose some inodes and space, - * but at least we won't hang. Call - * xlog_recover_clear_agi_bucket() - * to perform a transaction to clear - * the inode pointer in the bucket. - */ - xlog_recover_clear_agi_bucket(mp, agno, - bucket); - - agino = NULLAGINO; - } + agino = xlog_recover_process_one_iunlink(mp, + agno, agino, bucket); /* * Reacquire the agibuffer and continue around - * the loop. + * the loop. This should never fail as we know + * the buffer was good earlier on. */ - agibp = xfs_buf_read(mp->m_ddev_targp, - XFS_AG_DADDR(mp, agno, - XFS_AGI_DADDR(mp)), - XFS_FSS_TO_BB(mp, 1), 0); - if (XFS_BUF_ISERROR(agibp)) { - xfs_ioerror_alert( - "xlog_recover_process_iunlinks(#2)", - log->l_mp, agibp, - XFS_AG_DADDR(mp, agno, - XFS_AGI_DADDR(mp))); - } + error = xfs_read_agi(mp, NULL, agno, &agibp); + ASSERT(error == 0); agi = XFS_BUF_TO_AGI(agibp); - ASSERT(XFS_AGI_MAGIC == be32_to_cpu( - agi->agi_magicnum)); } } @@ -3367,7 +3294,6 @@ xlog_pack_data( int size = iclog->ic_offset + roundoff; __be32 cycle_lsn; xfs_caddr_t dp; - xlog_in_core_2_t *xhdr; xlog_pack_data_checksum(log, iclog, size); @@ -3382,7 +3308,8 @@ xlog_pack_data( } if (xfs_sb_version_haslogv2(&log->l_mp->m_sb)) { - xhdr = (xlog_in_core_2_t *)&iclog->ic_header; + xlog_in_core_2_t *xhdr = iclog->ic_data; + for ( ; i < BTOBB(size); i++) { j = i / (XLOG_HEADER_CYCLE_SIZE / BBSIZE); k = i % (XLOG_HEADER_CYCLE_SIZE / BBSIZE); @@ -3440,7 +3367,6 @@ xlog_unpack_data( xlog_t *log) { int i, j, k; - xlog_in_core_2_t *xhdr; for (i = 0; i < BTOBB(be32_to_cpu(rhead->h_len)) && i < (XLOG_HEADER_CYCLE_SIZE / BBSIZE); i++) { @@ -3449,7 +3375,7 @@ xlog_unpack_data( } if (xfs_sb_version_haslogv2(&log->l_mp->m_sb)) { - xhdr = (xlog_in_core_2_t *)rhead; + xlog_in_core_2_t *xhdr = (xlog_in_core_2_t *)rhead; for ( ; i < BTOBB(be32_to_cpu(rhead->h_len)); i++) { j = i / (XLOG_HEADER_CYCLE_SIZE / BBSIZE); k = i % (XLOG_HEADER_CYCLE_SIZE / BBSIZE); @@ -4003,11 +3929,8 @@ xlog_recover_check_summary( { xfs_mount_t *mp; xfs_agf_t *agfp; - xfs_agi_t *agip; xfs_buf_t *agfbp; xfs_buf_t *agibp; - xfs_daddr_t agfdaddr; - xfs_daddr_t agidaddr; xfs_buf_t *sbbp; #ifdef XFS_LOUD_RECOVERY xfs_sb_t *sbp; @@ -4016,6 +3939,7 @@ xlog_recover_check_summary( __uint64_t freeblks; __uint64_t itotal; __uint64_t ifree; + int error; mp = log->l_mp; @@ -4023,37 +3947,27 @@ xlog_recover_check_summary( itotal = 0LL; ifree = 0LL; for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) { - agfdaddr = XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)); - agfbp = xfs_buf_read(mp->m_ddev_targp, agfdaddr, - XFS_FSS_TO_BB(mp, 1), 0); - if (XFS_BUF_ISERROR(agfbp)) { - xfs_ioerror_alert("xlog_recover_check_summary(agf)", - mp, agfbp, agfdaddr); - } - agfp = XFS_BUF_TO_AGF(agfbp); - ASSERT(XFS_AGF_MAGIC == be32_to_cpu(agfp->agf_magicnum)); - ASSERT(XFS_AGF_GOOD_VERSION(be32_to_cpu(agfp->agf_versionnum))); - ASSERT(be32_to_cpu(agfp->agf_seqno) == agno); - - freeblks += be32_to_cpu(agfp->agf_freeblks) + - be32_to_cpu(agfp->agf_flcount); - xfs_buf_relse(agfbp); - - agidaddr = XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)); - agibp = xfs_buf_read(mp->m_ddev_targp, agidaddr, - XFS_FSS_TO_BB(mp, 1), 0); - if (XFS_BUF_ISERROR(agibp)) { - xfs_ioerror_alert("xlog_recover_check_summary(agi)", - mp, agibp, agidaddr); + error = xfs_read_agf(mp, NULL, agno, 0, &agfbp); + if (error) { + xfs_fs_cmn_err(CE_ALERT, mp, + "xlog_recover_check_summary(agf)" + "agf read failed agno %d error %d", + agno, error); + } else { + agfp = XFS_BUF_TO_AGF(agfbp); + freeblks += be32_to_cpu(agfp->agf_freeblks) + + be32_to_cpu(agfp->agf_flcount); + xfs_buf_relse(agfbp); } - agip = XFS_BUF_TO_AGI(agibp); - ASSERT(XFS_AGI_MAGIC == be32_to_cpu(agip->agi_magicnum)); - ASSERT(XFS_AGI_GOOD_VERSION(be32_to_cpu(agip->agi_versionnum))); - ASSERT(be32_to_cpu(agip->agi_seqno) == agno); - itotal += be32_to_cpu(agip->agi_count); - ifree += be32_to_cpu(agip->agi_freecount); - xfs_buf_relse(agibp); + error = xfs_read_agi(mp, NULL, agno, &agibp); + if (!error) { + struct xfs_agi *agi = XFS_BUF_TO_AGI(agibp); + + itotal += be32_to_cpu(agi->agi_count); + ifree += be32_to_cpu(agi->agi_freecount); + xfs_buf_relse(agibp); + } } sbbp = xfs_getsb(mp, 0); |