From: Eric Sandeen <sandeen@xxxxxxxxxx>
A commit back in 2008 removed a "for" loop ahead of this code block, but
left the indented code block in place. Remove it for clarity and reflow
comments & lines as needed.
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
---
repair/phase5.c | 316 ++++++++++++++++++++++++++-----------------------------
1 file changed, 150 insertions(+), 166 deletions(-)
diff --git a/repair/phase5.c b/repair/phase5.c
index 169a2d89..44a6bda8 100644
--- a/repair/phase5.c
+++ b/repair/phase5.c
@@ -2314,201 +2314,185 @@ phase5_func(
if (verbose)
do_log(_(" - agno = %d\n"), agno);
- {
- /*
- * build up incore bno and bcnt extent btrees
- */
- num_extents = mk_incore_fstree(mp, agno);
+ /*
+ * build up incore bno and bcnt extent btrees
+ */
+ num_extents = mk_incore_fstree(mp, agno);
#ifdef XR_BLD_FREE_TRACE
- fprintf(stderr, "# of bno extents is %d\n",
- count_bno_extents(agno));
+ fprintf(stderr, "# of bno extents is %d\n", count_bno_extents(agno));
#endif
- if (num_extents == 0) {
- /*
- * XXX - what we probably should do here is pick an
- * inode for a regular file in the allocation group
- * that has space allocated and shoot it by traversing
- * the bmap list and putting all its extents on the
- * incore freespace trees, clearing the inode,
- * and clearing the in-use bit in the incore inode
- * tree. Then try mk_incore_fstree() again.
- */
- do_error(_("unable to rebuild AG %u. "
- "Not enough free space in on-disk AG.\n"),
- agno);
- }
-
- /*
- * ok, now set up the btree cursors for the
- * on-disk btrees (includs pre-allocating all
- * required blocks for the trees themselves)
- */
- init_ino_cursor(mp, agno, &ino_btree_curs, &num_inos,
- &num_free_inos, 0);
-
- if (xfs_sb_version_hasfinobt(&mp->m_sb))
- init_ino_cursor(mp, agno, &fino_btree_curs,
- &finobt_num_inos, &finobt_num_free_inos,
- 1);
-
- sb_icount_ag[agno] += num_inos;
- sb_ifree_ag[agno] += num_free_inos;
-
- /*
- * Set up the btree cursors for the on-disk rmap btrees,
- * which includes pre-allocating all required blocks.
- */
- init_rmapbt_cursor(mp, agno, &rmap_btree_curs);
-
+ if (num_extents == 0) {
/*
- * Set up the btree cursors for the on-disk refcount btrees,
- * which includes pre-allocating all required blocks.
+ * XXX - what we probably should do here is pick an inode for
+ * a regular file in the allocation group that has space
+ * allocated and shoot it by traversing the bmap list and
+ * putting all its extents on the incore freespace trees,
+ * clearing the inode, and clearing the in-use bit in the
+ * incore inode tree. Then try mk_incore_fstree() again.
*/
- init_refc_cursor(mp, agno, &refcnt_btree_curs);
-
- num_extents = count_bno_extents_blocks(agno, &num_freeblocks);
+ do_error(
+_("unable to rebuild AG %u. Not enough free space in on-disk AG.\n"),
+ agno);
+ }
+
+ /*
+ * ok, now set up the btree cursors for the on-disk btrees (includes
+ * pre-allocating all required blocks for the trees themselves)
+ */
+ init_ino_cursor(mp, agno, &ino_btree_curs, &num_inos,
+ &num_free_inos, 0);
+
+ if (xfs_sb_version_hasfinobt(&mp->m_sb))
+ init_ino_cursor(mp, agno, &fino_btree_curs, &finobt_num_inos,
+ &finobt_num_free_inos, 1);
+
+ sb_icount_ag[agno] += num_inos;
+ sb_ifree_ag[agno] += num_free_inos;
+
+ /*
+ * Set up the btree cursors for the on-disk rmap btrees, which includes
+ * pre-allocating all required blocks.
+ */
+ init_rmapbt_cursor(mp, agno, &rmap_btree_curs);
+
+ /*
+ * Set up the btree cursors for the on-disk refcount btrees,
+ * which includes pre-allocating all required blocks.
+ */
+ init_refc_cursor(mp, agno, &refcnt_btree_curs);
+
+ num_extents = count_bno_extents_blocks(agno, &num_freeblocks);
+ /*
+ * lose two blocks per AG -- the space tree roots are counted as
+ * allocated since the space trees always have roots
+ */
+ sb_fdblocks_ag[agno] += num_freeblocks - 2;
+
+ if (num_extents == 0) {
/*
- * lose two blocks per AG -- the space tree roots
- * are counted as allocated since the space trees
- * always have roots
+ * XXX - what we probably should do here is pick an inode for
+ * a regular file in the allocation group that has space
+ * allocated and shoot it by traversing the bmap list and
+ * putting all its extents on the incore freespace trees,
+ * clearing the inode, and clearing the in-use bit in the
+ * incore inode tree. Then try mk_incore_fstree() again.
*/
- sb_fdblocks_ag[agno] += num_freeblocks - 2;
-
- if (num_extents == 0) {
- /*
- * XXX - what we probably should do here is pick an
- * inode for a regular file in the allocation group
- * that has space allocated and shoot it by traversing
- * the bmap list and putting all its extents on the
- * incore freespace trees, clearing the inode,
- * and clearing the in-use bit in the incore inode
- * tree. Then try mk_incore_fstree() again.
- */
- do_error(
- _("unable to rebuild AG %u. No free space.\n"), agno);
- }
+ do_error(_("unable to rebuild AG %u. No free space.\n"), agno);
+ }
#ifdef XR_BLD_FREE_TRACE
- fprintf(stderr, "# of bno extents is %d\n", num_extents);
+ fprintf(stderr, "# of bno extents is %d\n", num_extents);
#endif
- /*
- * track blocks that we might really lose
- */
- extra_blocks = calculate_freespace_cursor(mp, agno,
- &num_extents, &bno_btree_curs);
+ /*
+ * track blocks that we might really lose
+ */
+ extra_blocks = calculate_freespace_cursor(mp, agno,
+ &num_extents, &bno_btree_curs);
- /*
- * freespace btrees live in the "free space" but
- * the filesystem treats AGFL blocks as allocated
- * since they aren't described by the freespace trees
- */
+ /*
+ * freespace btrees live in the "free space" but the filesystem treats
+ * AGFL blocks as allocated since they aren't described by the
+ * freespace trees
+ */
- /*
- * see if we can fit all the extra blocks into the AGFL
- */
- extra_blocks = (extra_blocks - libxfs_agfl_size(mp) > 0)
- ? extra_blocks - libxfs_agfl_size(mp)
- : 0;
+ /*
+ * see if we can fit all the extra blocks into the AGFL
+ */
+ extra_blocks = (extra_blocks - libxfs_agfl_size(mp) > 0) ?
+ extra_blocks - libxfs_agfl_size(mp) : 0;
- if (extra_blocks > 0)
- sb_fdblocks_ag[agno] -= extra_blocks;
+ if (extra_blocks > 0)
+ sb_fdblocks_ag[agno] -= extra_blocks;
- bcnt_btree_curs = bno_btree_curs;
+ bcnt_btree_curs = bno_btree_curs;
- bno_btree_curs.owner = XFS_RMAP_OWN_AG;
- bcnt_btree_curs.owner = XFS_RMAP_OWN_AG;
- setup_cursor(mp, agno, &bno_btree_curs);
- setup_cursor(mp, agno, &bcnt_btree_curs);
+ bno_btree_curs.owner = XFS_RMAP_OWN_AG;
+ bcnt_btree_curs.owner = XFS_RMAP_OWN_AG;
+ setup_cursor(mp, agno, &bno_btree_curs);
+ setup_cursor(mp, agno, &bcnt_btree_curs);
#ifdef XR_BLD_FREE_TRACE
- fprintf(stderr, "# of bno extents is %d\n",
- count_bno_extents(agno));
- fprintf(stderr, "# of bcnt extents is %d\n",
- count_bcnt_extents(agno));
+ fprintf(stderr, "# of bno extents is %d\n", count_bno_extents(agno));
+ fprintf(stderr, "# of bcnt extents is %d\n", count_bcnt_extents(agno));
#endif
- /*
- * now rebuild the freespace trees
- */
- freeblks1 = build_freespace_tree(mp, agno,
+ /*
+ * now rebuild the freespace trees
+ */
+ freeblks1 = build_freespace_tree(mp, agno,
&bno_btree_curs, XFS_BTNUM_BNO);
#ifdef XR_BLD_FREE_TRACE
- fprintf(stderr, "# of free blocks == %d\n", freeblks1);
+ fprintf(stderr, "# of free blocks == %d\n", freeblks1);
#endif
- write_cursor(&bno_btree_curs);
+ write_cursor(&bno_btree_curs);
#ifdef DEBUG
- freeblks2 = build_freespace_tree(mp, agno,
- &bcnt_btree_curs, XFS_BTNUM_CNT);
+ freeblks2 = build_freespace_tree(mp, agno,
+ &bcnt_btree_curs, XFS_BTNUM_CNT);
#else
- (void) build_freespace_tree(mp, agno,
- &bcnt_btree_curs, XFS_BTNUM_CNT);
+ (void) build_freespace_tree(mp, agno, &bcnt_btree_curs, XFS_BTNUM_CNT);
#endif
- write_cursor(&bcnt_btree_curs);
-
- ASSERT(freeblks1 == freeblks2);
-
- if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
- build_rmap_tree(mp, agno, &rmap_btree_curs);
- write_cursor(&rmap_btree_curs);
- sb_fdblocks_ag[agno] += (rmap_btree_curs.num_tot_blocks -
- rmap_btree_curs.num_free_blocks) - 1;
- }
-
- if (xfs_sb_version_hasreflink(&mp->m_sb)) {
- build_refcount_tree(mp, agno, &refcnt_btree_curs);
- write_cursor(&refcnt_btree_curs);
- }
-
- /*
- * set up agf and agfl
- */
- build_agf_agfl(mp, agno, &bno_btree_curs, &bcnt_btree_curs,
- freeblks1, &rmap_btree_curs,
- &refcnt_btree_curs, lost_fsb);
- /*
- * build inode allocation tree.
- */
- build_ino_tree(mp, agno, &ino_btree_curs, XFS_BTNUM_INO,
- &agi_stat);
- write_cursor(&ino_btree_curs);
-
- /*
- * build free inode tree
- */
- if (xfs_sb_version_hasfinobt(&mp->m_sb)) {
- build_ino_tree(mp, agno, &fino_btree_curs,
- XFS_BTNUM_FINO, NULL);
- write_cursor(&fino_btree_curs);
- }
-
- /* build the agi */
- build_agi(mp, agno, &ino_btree_curs, &fino_btree_curs,
- &agi_stat);
-
- /*
- * tear down cursors
- */
- finish_cursor(&bno_btree_curs);
- finish_cursor(&ino_btree_curs);
- if (xfs_sb_version_hasrmapbt(&mp->m_sb))
- finish_cursor(&rmap_btree_curs);
- if (xfs_sb_version_hasreflink(&mp->m_sb))
- finish_cursor(&refcnt_btree_curs);
- if (xfs_sb_version_hasfinobt(&mp->m_sb))
- finish_cursor(&fino_btree_curs);
- finish_cursor(&bcnt_btree_curs);
-
- /*
- * release the incore per-AG bno/bcnt trees so
- * the extent nodes can be recycled
- */
- release_agbno_extent_tree(agno);
- release_agbcnt_extent_tree(agno);
+ write_cursor(&bcnt_btree_curs);
+
+ ASSERT(freeblks1 == freeblks2);
+
+ if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
+ build_rmap_tree(mp, agno, &rmap_btree_curs);
+ write_cursor(&rmap_btree_curs);
+ sb_fdblocks_ag[agno] += (rmap_btree_curs.num_tot_blocks -
+ rmap_btree_curs.num_free_blocks) - 1;
+ }
+
+ if (xfs_sb_version_hasreflink(&mp->m_sb)) {
+ build_refcount_tree(mp, agno, &refcnt_btree_curs);
+ write_cursor(&refcnt_btree_curs);
}
+
+ /*
+ * set up agf and agfl
+ */
+ build_agf_agfl(mp, agno, &bno_btree_curs, &bcnt_btree_curs, freeblks1,
+ &rmap_btree_curs, &refcnt_btree_curs, lost_fsb);
+ /*
+ * build inode allocation tree.
+ */
+ build_ino_tree(mp, agno, &ino_btree_curs, XFS_BTNUM_INO, &agi_stat);
+ write_cursor(&ino_btree_curs);
+
+ /*
+ * build free inode tree
+ */
+ if (xfs_sb_version_hasfinobt(&mp->m_sb)) {
+ build_ino_tree(mp, agno, &fino_btree_curs,
+ XFS_BTNUM_FINO, NULL);
+ write_cursor(&fino_btree_curs);
+ }
+
+ /* build the agi */
+ build_agi(mp, agno, &ino_btree_curs, &fino_btree_curs, &agi_stat);
+
+ /*
+ * tear down cursors
+ */
+ finish_cursor(&bno_btree_curs);
+ finish_cursor(&ino_btree_curs);
+ if (xfs_sb_version_hasrmapbt(&mp->m_sb))
+ finish_cursor(&rmap_btree_curs);
+ if (xfs_sb_version_hasreflink(&mp->m_sb))
+ finish_cursor(&refcnt_btree_curs);
+ if (xfs_sb_version_hasfinobt(&mp->m_sb))
+ finish_cursor(&fino_btree_curs);
+ finish_cursor(&bcnt_btree_curs);
+
+ /*
+ * release the incore per-AG bno/bcnt trees so the extent nodes
+ * can be recycled
+ */
+ release_agbno_extent_tree(agno);
+ release_agbcnt_extent_tree(agno);
PROG_RPT_INC(prog_rpt_done[agno], 1);
}
