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author | David S. Miller <davem@davemloft.net> | 2016-08-18 05:17:32 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2016-08-18 05:17:32 (GMT) |
commit | 60747ef4d173c2747bf7f0377fb22846cb422195 (patch) | |
tree | ea0faf33b952495c47909be1400c475a3f3821b0 /fs/xfs/xfs_fsops.c | |
parent | 484334198f8ce9552e20930fff9408ebf6bcf94d (diff) | |
parent | 184ca823481c99dadd7d946e5afd4bb921eab30d (diff) | |
download | linux-60747ef4d173c2747bf7f0377fb22846cb422195.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor overlapping changes for both merge conflicts.
Resolution work done by Stephen Rothwell was used
as a reference.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/xfs/xfs_fsops.c')
-rw-r--r-- | fs/xfs/xfs_fsops.c | 106 |
1 files changed, 96 insertions, 10 deletions
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 7191c38..0f96847 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -23,6 +23,7 @@ #include "xfs_trans_resv.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" @@ -32,6 +33,7 @@ #include "xfs_btree.h" #include "xfs_alloc_btree.h" #include "xfs_alloc.h" +#include "xfs_rmap_btree.h" #include "xfs_ialloc.h" #include "xfs_fsops.h" #include "xfs_itable.h" @@ -40,6 +42,7 @@ #include "xfs_trace.h" #include "xfs_log.h" #include "xfs_filestream.h" +#include "xfs_rmap.h" /* * File system operations @@ -103,7 +106,9 @@ xfs_fs_geometry( (xfs_sb_version_hasfinobt(&mp->m_sb) ? XFS_FSOP_GEOM_FLAGS_FINOBT : 0) | (xfs_sb_version_hassparseinodes(&mp->m_sb) ? - XFS_FSOP_GEOM_FLAGS_SPINODES : 0); + XFS_FSOP_GEOM_FLAGS_SPINODES : 0) | + (xfs_sb_version_hasrmapbt(&mp->m_sb) ? + XFS_FSOP_GEOM_FLAGS_RMAPBT : 0); geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ? mp->m_sb.sb_logsectsize : BBSIZE; geo->rtsectsize = mp->m_sb.sb_blocksize; @@ -239,10 +244,16 @@ xfs_growfs_data_private( 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); + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + agf->agf_roots[XFS_BTNUM_RMAPi] = + cpu_to_be32(XFS_RMAP_BLOCK(mp)); + agf->agf_levels[XFS_BTNUM_RMAPi] = cpu_to_be32(1); + } + agf->agf_flfirst = cpu_to_be32(1); agf->agf_fllast = 0; agf->agf_flcount = 0; - tmpsize = agsize - XFS_PREALLOC_BLOCKS(mp); + tmpsize = agsize - mp->m_ag_prealloc_blocks; agf->agf_freeblks = cpu_to_be32(tmpsize); agf->agf_longest = cpu_to_be32(tmpsize); if (xfs_sb_version_hascrc(&mp->m_sb)) @@ -339,7 +350,7 @@ xfs_growfs_data_private( agno, 0); arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1); - arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); + arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks); arec->ar_blockcount = cpu_to_be32( agsize - be32_to_cpu(arec->ar_startblock)); @@ -368,7 +379,7 @@ xfs_growfs_data_private( agno, 0); arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1); - arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); + arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks); arec->ar_blockcount = cpu_to_be32( agsize - be32_to_cpu(arec->ar_startblock)); nfree += be32_to_cpu(arec->ar_blockcount); @@ -378,6 +389,72 @@ xfs_growfs_data_private( if (error) goto error0; + /* RMAP btree root block */ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + struct xfs_rmap_rec *rrec; + struct xfs_btree_block *block; + + bp = xfs_growfs_get_hdr_buf(mp, + XFS_AGB_TO_DADDR(mp, agno, XFS_RMAP_BLOCK(mp)), + BTOBB(mp->m_sb.sb_blocksize), 0, + &xfs_rmapbt_buf_ops); + if (!bp) { + error = -ENOMEM; + goto error0; + } + + xfs_btree_init_block(mp, bp, XFS_RMAP_CRC_MAGIC, 0, 0, + agno, XFS_BTREE_CRC_BLOCKS); + block = XFS_BUF_TO_BLOCK(bp); + + + /* + * mark the AG header regions as static metadata The BNO + * btree block is the first block after the headers, so + * it's location defines the size of region the static + * metadata consumes. + * + * Note: unlike mkfs, we never have to account for log + * space when growing the data regions + */ + rrec = XFS_RMAP_REC_ADDR(block, 1); + rrec->rm_startblock = 0; + rrec->rm_blockcount = cpu_to_be32(XFS_BNO_BLOCK(mp)); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_FS); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + /* account freespace btree root blocks */ + rrec = XFS_RMAP_REC_ADDR(block, 2); + rrec->rm_startblock = cpu_to_be32(XFS_BNO_BLOCK(mp)); + rrec->rm_blockcount = cpu_to_be32(2); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + /* account inode btree root blocks */ + rrec = XFS_RMAP_REC_ADDR(block, 3); + rrec->rm_startblock = cpu_to_be32(XFS_IBT_BLOCK(mp)); + rrec->rm_blockcount = cpu_to_be32(XFS_RMAP_BLOCK(mp) - + XFS_IBT_BLOCK(mp)); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_INOBT); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + /* account for rmap btree root */ + rrec = XFS_RMAP_REC_ADDR(block, 4); + rrec->rm_startblock = cpu_to_be32(XFS_RMAP_BLOCK(mp)); + rrec->rm_blockcount = cpu_to_be32(1); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + error = xfs_bwrite(bp); + xfs_buf_relse(bp); + if (error) + goto error0; + } + /* * INO btree root block */ @@ -435,6 +512,8 @@ xfs_growfs_data_private( * There are new blocks in the old last a.g. */ if (new) { + struct xfs_owner_info oinfo; + /* * Change the agi length. */ @@ -462,14 +541,20 @@ xfs_growfs_data_private( be32_to_cpu(agi->agi_length)); xfs_alloc_log_agf(tp, bp, XFS_AGF_LENGTH); + /* * Free the new space. + * + * XFS_RMAP_OWN_NULL is used here to tell the rmap btree that + * this doesn't actually exist in the rmap btree. */ - error = xfs_free_extent(tp, XFS_AGB_TO_FSB(mp, agno, - be32_to_cpu(agf->agf_length) - new), new); - if (error) { + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_NULL); + error = xfs_free_extent(tp, + XFS_AGB_TO_FSB(mp, agno, + be32_to_cpu(agf->agf_length) - new), + new, &oinfo); + if (error) goto error0; - } } /* @@ -501,6 +586,7 @@ xfs_growfs_data_private( } else mp->m_maxicount = 0; xfs_set_low_space_thresholds(mp); + mp->m_alloc_set_aside = xfs_alloc_set_aside(mp); /* update secondary superblocks. */ for (agno = 1; agno < nagcount; agno++) { @@ -638,7 +724,7 @@ xfs_fs_counts( cnt->allocino = percpu_counter_read_positive(&mp->m_icount); cnt->freeino = percpu_counter_read_positive(&mp->m_ifree); cnt->freedata = percpu_counter_read_positive(&mp->m_fdblocks) - - XFS_ALLOC_SET_ASIDE(mp); + mp->m_alloc_set_aside; spin_lock(&mp->m_sb_lock); cnt->freertx = mp->m_sb.sb_frextents; @@ -726,7 +812,7 @@ xfs_reserve_blocks( error = -ENOSPC; do { free = percpu_counter_sum(&mp->m_fdblocks) - - XFS_ALLOC_SET_ASIDE(mp); + mp->m_alloc_set_aside; if (!free) break; |