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Diffstat (limited to 'fs/nilfs2/recovery.c')
-rw-r--r--fs/nilfs2/recovery.c34
1 files changed, 20 insertions, 14 deletions
diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index 6dc83591d118..c9c96c7825dc 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -770,14 +770,8 @@ int nilfs_recover_logical_segments(struct the_nilfs *nilfs,
nilfs_finish_roll_forward(nilfs, sbi, ri);
}
- nilfs_detach_checkpoint(sbi);
- return 0;
-
failed:
nilfs_detach_checkpoint(sbi);
- nilfs_mdt_clear(nilfs->ns_cpfile);
- nilfs_mdt_clear(nilfs->ns_sufile);
- nilfs_mdt_clear(nilfs->ns_dat);
return err;
}
@@ -804,6 +798,7 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi,
struct nilfs_segsum_info ssi;
sector_t pseg_start, pseg_end, sr_pseg_start = 0;
sector_t seg_start, seg_end; /* range of full segment (block number) */
+ sector_t b, end;
u64 seg_seq;
__u64 segnum, nextnum = 0;
__u64 cno;
@@ -819,6 +814,11 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi,
/* Calculate range of segment */
nilfs_get_segment_range(nilfs, segnum, &seg_start, &seg_end);
+ /* Read ahead segment */
+ b = seg_start;
+ while (b <= seg_end)
+ sb_breadahead(sbi->s_super, b++);
+
for (;;) {
/* Load segment summary */
ret = load_segment_summary(sbi, pseg_start, seg_seq, &ssi, 1);
@@ -841,14 +841,20 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi,
ri->ri_nextnum = nextnum;
empty_seg = 0;
+ if (!NILFS_SEG_HAS_SR(&ssi) && !scan_newer) {
+ /* This will never happen because a superblock
+ (last_segment) always points to a pseg
+ having a super root. */
+ ret = NILFS_SEG_FAIL_CONSISTENCY;
+ goto failed;
+ }
+
+ if (pseg_start == seg_start) {
+ nilfs_get_segment_range(nilfs, nextnum, &b, &end);
+ while (b <= end)
+ sb_breadahead(sbi->s_super, b++);
+ }
if (!NILFS_SEG_HAS_SR(&ssi)) {
- if (!scan_newer) {
- /* This will never happen because a superblock
- (last_segment) always points to a pseg
- having a super root. */
- ret = NILFS_SEG_FAIL_CONSISTENCY;
- goto failed;
- }
if (!ri->ri_lsegs_start && NILFS_SEG_LOGBGN(&ssi)) {
ri->ri_lsegs_start = pseg_start;
ri->ri_lsegs_start_seq = seg_seq;
@@ -919,7 +925,7 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi,
super_root_found:
/* Updating pointers relating to the latest checkpoint */
- list_splice(&segments, ri->ri_used_segments.prev);
+ list_splice_tail(&segments, &ri->ri_used_segments);
nilfs->ns_last_pseg = sr_pseg_start;
nilfs->ns_last_seq = nilfs->ns_seg_seq;
nilfs->ns_last_cno = ri->ri_cno;