#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"
#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"
#include "xfs_trace.h"
#include "xfs_log.h"
#include "xfs_filestream.h"
+#include "xfs_rmap.h"
/*
* File system operations
(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;
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))
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));
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);
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
*/
* There are new blocks in the old last a.g.
*/
if (new) {
+ struct xfs_owner_info oinfo;
+
/*
* Change the agi length.
*/
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;
- }
}
/*
} 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++) {
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;
error = -ENOSPC;
do {
free = percpu_counter_sum(&mp->m_fdblocks) -
- XFS_ALLOC_SET_ASIDE(mp);
+ mp->m_alloc_set_aside;
if (!free)
break;
projects / cascardo / linux.git / blobdiff