return -EINVAL;
}
-static void store_segsum_info(struct nilfs_segsum_info *ssi,
- struct nilfs_segment_summary *sum,
- unsigned int blocksize)
-{
- ssi->flags = le16_to_cpu(sum->ss_flags);
- ssi->seg_seq = le64_to_cpu(sum->ss_seq);
- ssi->ctime = le64_to_cpu(sum->ss_create);
- ssi->next = le64_to_cpu(sum->ss_next);
- ssi->nblocks = le32_to_cpu(sum->ss_nblocks);
- ssi->nfinfo = le32_to_cpu(sum->ss_nfinfo);
- ssi->sumbytes = le32_to_cpu(sum->ss_sumbytes);
-
- ssi->nsumblk = DIV_ROUND_UP(ssi->sumbytes, blocksize);
- ssi->nfileblk = ssi->nblocks - ssi->nsumblk - !!NILFS_SEG_HAS_SR(ssi);
-
- /* need to verify ->ss_bytes field if read ->ss_cno */
-}
-
/**
- * calc_crc_cont - check CRC of blocks continuously
- * @sbi: nilfs_sb_info
+ * nilfs_compute_checksum - compute checksum of blocks continuously
+ * @nilfs: nilfs object
* @bhs: buffer head of start block
* @sum: place to store result
* @offset: offset bytes in the first block
* @start: DBN of start block
* @nblock: number of blocks to be checked
*/
-static int calc_crc_cont(struct nilfs_sb_info *sbi, struct buffer_head *bhs,
- u32 *sum, unsigned long offset, u64 check_bytes,
- sector_t start, unsigned long nblock)
+static int nilfs_compute_checksum(struct the_nilfs *nilfs,
+ struct buffer_head *bhs, u32 *sum,
+ unsigned long offset, u64 check_bytes,
+ sector_t start, unsigned long nblock)
{
- unsigned long blocksize = sbi->s_super->s_blocksize;
+ unsigned int blocksize = nilfs->ns_blocksize;
unsigned long size;
u32 crc;
BUG_ON(offset >= blocksize);
check_bytes -= offset;
size = min_t(u64, check_bytes, blocksize - offset);
- crc = crc32_le(sbi->s_nilfs->ns_crc_seed,
+ crc = crc32_le(nilfs->ns_crc_seed,
(unsigned char *)bhs->b_data + offset, size);
if (--nblock > 0) {
do {
- struct buffer_head *bh
- = sb_bread(sbi->s_super, ++start);
+ struct buffer_head *bh;
+
+ bh = __bread(nilfs->ns_bdev, ++start, blocksize);
if (!bh)
return -EIO;
check_bytes -= size;
/**
* nilfs_read_super_root_block - read super root block
- * @sb: super_block
+ * @nilfs: nilfs object
* @sr_block: disk block number of the super root block
* @pbh: address of a buffer_head pointer to return super root buffer
* @check: CRC check flag
*/
-int nilfs_read_super_root_block(struct super_block *sb, sector_t sr_block,
+int nilfs_read_super_root_block(struct the_nilfs *nilfs, sector_t sr_block,
struct buffer_head **pbh, int check)
{
struct buffer_head *bh_sr;
int ret;
*pbh = NULL;
- bh_sr = sb_bread(sb, sr_block);
+ bh_sr = __bread(nilfs->ns_bdev, sr_block, nilfs->ns_blocksize);
if (unlikely(!bh_sr)) {
ret = NILFS_SEG_FAIL_IO;
goto failed;
if (check) {
unsigned bytes = le16_to_cpu(sr->sr_bytes);
- if (bytes == 0 || bytes > sb->s_blocksize) {
+ if (bytes == 0 || bytes > nilfs->ns_blocksize) {
ret = NILFS_SEG_FAIL_CHECKSUM_SUPER_ROOT;
goto failed_bh;
}
- if (calc_crc_cont(NILFS_SB(sb), bh_sr, &crc,
- sizeof(sr->sr_sum), bytes, sr_block, 1)) {
+ if (nilfs_compute_checksum(
+ nilfs, bh_sr, &crc, sizeof(sr->sr_sum), bytes,
+ sr_block, 1)) {
ret = NILFS_SEG_FAIL_IO;
goto failed_bh;
}
}
/**
- * load_segment_summary - read segment summary of the specified partial segment
- * @sbi: nilfs_sb_info
- * @pseg_start: start disk block number of partial segment
- * @seg_seq: sequence number requested
- * @ssi: pointer to nilfs_segsum_info struct to store information
+ * nilfs_read_log_header - read summary header of the specified log
+ * @nilfs: nilfs object
+ * @start_blocknr: start block number of the log
+ * @sum: pointer to return segment summary structure
*/
-static int
-load_segment_summary(struct nilfs_sb_info *sbi, sector_t pseg_start,
- u64 seg_seq, struct nilfs_segsum_info *ssi)
+static struct buffer_head *
+nilfs_read_log_header(struct the_nilfs *nilfs, sector_t start_blocknr,
+ struct nilfs_segment_summary **sum)
{
struct buffer_head *bh_sum;
- struct nilfs_segment_summary *sum;
+
+ bh_sum = __bread(nilfs->ns_bdev, start_blocknr, nilfs->ns_blocksize);
+ if (bh_sum)
+ *sum = (struct nilfs_segment_summary *)bh_sum->b_data;
+ return bh_sum;
+}
+
+/**
+ * nilfs_validate_log - verify consistency of log
+ * @nilfs: nilfs object
+ * @seg_seq: sequence number of segment
+ * @bh_sum: buffer head of summary block
+ * @sum: segment summary struct
+ */
+static int nilfs_validate_log(struct the_nilfs *nilfs, u64 seg_seq,
+ struct buffer_head *bh_sum,
+ struct nilfs_segment_summary *sum)
+{
unsigned long nblock;
u32 crc;
- int ret = NILFS_SEG_FAIL_IO;
+ int ret;
- bh_sum = sb_bread(sbi->s_super, pseg_start);
- if (!bh_sum)
+ ret = NILFS_SEG_FAIL_MAGIC;
+ if (le32_to_cpu(sum->ss_magic) != NILFS_SEGSUM_MAGIC)
goto out;
- sum = (struct nilfs_segment_summary *)bh_sum->b_data;
-
- /* Check consistency of segment summary */
- if (le32_to_cpu(sum->ss_magic) != NILFS_SEGSUM_MAGIC) {
- ret = NILFS_SEG_FAIL_MAGIC;
- goto failed;
- }
- store_segsum_info(ssi, sum, sbi->s_super->s_blocksize);
- if (seg_seq != ssi->seg_seq) {
- ret = NILFS_SEG_FAIL_SEQ;
- goto failed;
- }
+ ret = NILFS_SEG_FAIL_SEQ;
+ if (le64_to_cpu(sum->ss_seq) != seg_seq)
+ goto out;
- nblock = ssi->nblocks;
- if (unlikely(nblock == 0 ||
- nblock > sbi->s_nilfs->ns_blocks_per_segment)) {
+ nblock = le32_to_cpu(sum->ss_nblocks);
+ ret = NILFS_SEG_FAIL_CONSISTENCY;
+ if (unlikely(nblock == 0 || nblock > nilfs->ns_blocks_per_segment))
/* This limits the number of blocks read in the CRC check */
- ret = NILFS_SEG_FAIL_CONSISTENCY;
- goto failed;
- }
- if (calc_crc_cont(sbi, bh_sum, &crc, sizeof(sum->ss_datasum),
- ((u64)nblock << sbi->s_super->s_blocksize_bits),
- pseg_start, nblock)) {
- ret = NILFS_SEG_FAIL_IO;
- goto failed;
- }
- if (crc == le32_to_cpu(sum->ss_datasum))
- ret = 0;
- else
- ret = NILFS_SEG_FAIL_CHECKSUM_FULL;
- failed:
- brelse(bh_sum);
- out:
+ goto out;
+
+ ret = NILFS_SEG_FAIL_IO;
+ if (nilfs_compute_checksum(nilfs, bh_sum, &crc, sizeof(sum->ss_datasum),
+ ((u64)nblock << nilfs->ns_blocksize_bits),
+ bh_sum->b_blocknr, nblock))
+ goto out;
+
+ ret = NILFS_SEG_FAIL_CHECKSUM_FULL;
+ if (crc != le32_to_cpu(sum->ss_datasum))
+ goto out;
+ ret = 0;
+out:
return ret;
}
-static void *segsum_get(struct super_block *sb, struct buffer_head **pbh,
- unsigned int *offset, unsigned int bytes)
+/**
+ * nilfs_read_summary_info - read an item on summary blocks of a log
+ * @nilfs: nilfs object
+ * @pbh: the current buffer head on summary blocks [in, out]
+ * @offset: the current byte offset on summary blocks [in, out]
+ * @bytes: byte size of the item to be read
+ */
+static void *nilfs_read_summary_info(struct the_nilfs *nilfs,
+ struct buffer_head **pbh,
+ unsigned int *offset, unsigned int bytes)
{
void *ptr;
sector_t blocknr;
if (bytes > (*pbh)->b_size - *offset) {
blocknr = (*pbh)->b_blocknr;
brelse(*pbh);
- *pbh = sb_bread(sb, blocknr + 1);
+ *pbh = __bread(nilfs->ns_bdev, blocknr + 1,
+ nilfs->ns_blocksize);
if (unlikely(!*pbh))
return NULL;
*offset = 0;
return ptr;
}
-static void segsum_skip(struct super_block *sb, struct buffer_head **pbh,
- unsigned int *offset, unsigned int bytes,
- unsigned long count)
+/**
+ * nilfs_skip_summary_info - skip items on summary blocks of a log
+ * @nilfs: nilfs object
+ * @pbh: the current buffer head on summary blocks [in, out]
+ * @offset: the current byte offset on summary blocks [in, out]
+ * @bytes: byte size of the item to be skipped
+ * @count: number of items to be skipped
+ */
+static void nilfs_skip_summary_info(struct the_nilfs *nilfs,
+ struct buffer_head **pbh,
+ unsigned int *offset, unsigned int bytes,
+ unsigned long count)
{
unsigned int rest_item_in_current_block
= ((*pbh)->b_size - *offset) / bytes;
*offset = bytes * (count - (bcnt - 1) * nitem_per_block);
brelse(*pbh);
- *pbh = sb_bread(sb, blocknr + bcnt);
+ *pbh = __bread(nilfs->ns_bdev, blocknr + bcnt,
+ nilfs->ns_blocksize);
}
}
-static int
-collect_blocks_from_segsum(struct nilfs_sb_info *sbi, sector_t sum_blocknr,
- struct nilfs_segsum_info *ssi,
- struct list_head *head)
+/**
+ * nilfs_scan_dsync_log - get block information of a log written for data sync
+ * @nilfs: nilfs object
+ * @start_blocknr: start block number of the log
+ * @sum: log summary information
+ * @head: list head to add nilfs_recovery_block struct
+ */
+static int nilfs_scan_dsync_log(struct the_nilfs *nilfs, sector_t start_blocknr,
+ struct nilfs_segment_summary *sum,
+ struct list_head *head)
{
struct buffer_head *bh;
unsigned int offset;
- unsigned long nfinfo = ssi->nfinfo;
- sector_t blocknr = sum_blocknr + ssi->nsumblk;
+ u32 nfinfo, sumbytes;
+ sector_t blocknr;
ino_t ino;
int err = -EIO;
+ nfinfo = le32_to_cpu(sum->ss_nfinfo);
if (!nfinfo)
return 0;
- bh = sb_bread(sbi->s_super, sum_blocknr);
+ sumbytes = le32_to_cpu(sum->ss_sumbytes);
+ blocknr = start_blocknr + DIV_ROUND_UP(sumbytes, nilfs->ns_blocksize);
+ bh = __bread(nilfs->ns_bdev, start_blocknr, nilfs->ns_blocksize);
if (unlikely(!bh))
goto out;
- offset = le16_to_cpu(
- ((struct nilfs_segment_summary *)bh->b_data)->ss_bytes);
+ offset = le16_to_cpu(sum->ss_bytes);
for (;;) {
unsigned long nblocks, ndatablk, nnodeblk;
struct nilfs_finfo *finfo;
- finfo = segsum_get(sbi->s_super, &bh, &offset, sizeof(*finfo));
+ finfo = nilfs_read_summary_info(nilfs, &bh, &offset,
+ sizeof(*finfo));
if (unlikely(!finfo))
goto out;
struct nilfs_recovery_block *rb;
struct nilfs_binfo_v *binfo;
- binfo = segsum_get(sbi->s_super, &bh, &offset,
- sizeof(*binfo));
+ binfo = nilfs_read_summary_info(nilfs, &bh, &offset,
+ sizeof(*binfo));
if (unlikely(!binfo))
goto out;
}
if (--nfinfo == 0)
break;
- blocknr += nnodeblk; /* always 0 for the data sync segments */
- segsum_skip(sbi->s_super, &bh, &offset, sizeof(__le64),
- nnodeblk);
+ blocknr += nnodeblk; /* always 0 for data sync logs */
+ nilfs_skip_summary_info(nilfs, &bh, &offset, sizeof(__le64),
+ nnodeblk);
if (unlikely(!bh))
goto out;
}
return err;
}
-static int nilfs_recovery_copy_block(struct nilfs_sb_info *sbi,
+static int nilfs_recovery_copy_block(struct the_nilfs *nilfs,
struct nilfs_recovery_block *rb,
struct page *page)
{
struct buffer_head *bh_org;
void *kaddr;
- bh_org = sb_bread(sbi->s_super, rb->blocknr);
+ bh_org = __bread(nilfs->ns_bdev, rb->blocknr, nilfs->ns_blocksize);
if (unlikely(!bh_org))
return -EIO;
return 0;
}
-static int recover_dsync_blocks(struct nilfs_sb_info *sbi,
- struct list_head *head,
- unsigned long *nr_salvaged_blocks)
+static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs,
+ struct nilfs_sb_info *sbi,
+ struct list_head *head,
+ unsigned long *nr_salvaged_blocks)
{
struct inode *inode;
struct nilfs_recovery_block *rb, *n;
- unsigned blocksize = sbi->s_super->s_blocksize;
+ unsigned blocksize = nilfs->ns_blocksize;
struct page *page;
loff_t pos;
int err = 0, err2 = 0;
goto failed_inode;
}
- err = nilfs_recovery_copy_block(sbi, rb, page);
+ err = nilfs_recovery_copy_block(nilfs, rb, page);
if (unlikely(err))
goto failed_page;
/**
* nilfs_do_roll_forward - salvage logical segments newer than the latest
* checkpoint
+ * @nilfs: nilfs object
* @sbi: nilfs_sb_info
- * @nilfs: the_nilfs
* @ri: pointer to a nilfs_recovery_info
*/
static int nilfs_do_roll_forward(struct the_nilfs *nilfs,
struct nilfs_sb_info *sbi,
struct nilfs_recovery_info *ri)
{
- struct nilfs_segsum_info ssi;
+ struct buffer_head *bh_sum = NULL;
+ struct nilfs_segment_summary *sum;
sector_t pseg_start;
sector_t seg_start, seg_end; /* Starting/ending DBN of full segment */
unsigned long nsalvaged_blocks = 0;
+ unsigned int flags;
u64 seg_seq;
__u64 segnum, nextnum = 0;
int empty_seg = 0;
nilfs_get_segment_range(nilfs, segnum, &seg_start, &seg_end);
while (segnum != ri->ri_segnum || pseg_start <= ri->ri_pseg_start) {
+ brelse(bh_sum);
+ bh_sum = nilfs_read_log_header(nilfs, pseg_start, &sum);
+ if (!bh_sum) {
+ err = -EIO;
+ goto failed;
+ }
- ret = load_segment_summary(sbi, pseg_start, seg_seq, &ssi);
+ ret = nilfs_validate_log(nilfs, seg_seq, bh_sum, sum);
if (ret) {
if (ret == NILFS_SEG_FAIL_IO) {
err = -EIO;
}
goto strayed;
}
- if (unlikely(NILFS_SEG_HAS_SR(&ssi)))
+
+ flags = le16_to_cpu(sum->ss_flags);
+ if (flags & NILFS_SS_SR)
goto confused;
/* Found a valid partial segment; do recovery actions */
- nextnum = nilfs_get_segnum_of_block(nilfs, ssi.next);
+ nextnum = nilfs_get_segnum_of_block(nilfs,
+ le64_to_cpu(sum->ss_next));
empty_seg = 0;
- nilfs->ns_ctime = ssi.ctime;
- if (!(ssi.flags & NILFS_SS_GC))
- nilfs->ns_nongc_ctime = ssi.ctime;
+ nilfs->ns_ctime = le64_to_cpu(sum->ss_create);
+ if (!(flags & NILFS_SS_GC))
+ nilfs->ns_nongc_ctime = nilfs->ns_ctime;
switch (state) {
case RF_INIT_ST:
- if (!NILFS_SEG_LOGBGN(&ssi) || !NILFS_SEG_DSYNC(&ssi))
+ if (!(flags & NILFS_SS_LOGBGN) ||
+ !(flags & NILFS_SS_SYNDT))
goto try_next_pseg;
state = RF_DSYNC_ST;
/* Fall through */
case RF_DSYNC_ST:
- if (!NILFS_SEG_DSYNC(&ssi))
+ if (!(flags & NILFS_SS_SYNDT))
goto confused;
- err = collect_blocks_from_segsum(
- sbi, pseg_start, &ssi, &dsync_blocks);
+ err = nilfs_scan_dsync_log(nilfs, pseg_start, sum,
+ &dsync_blocks);
if (unlikely(err))
goto failed;
- if (NILFS_SEG_LOGEND(&ssi)) {
- err = recover_dsync_blocks(
- sbi, &dsync_blocks, &nsalvaged_blocks);
+ if (flags & NILFS_SS_LOGEND) {
+ err = nilfs_recover_dsync_blocks(
+ nilfs, sbi, &dsync_blocks,
+ &nsalvaged_blocks);
if (unlikely(err))
goto failed;
state = RF_INIT_ST;
try_next_pseg:
if (pseg_start == ri->ri_lsegs_end)
break;
- pseg_start += ssi.nblocks;
+ pseg_start += le32_to_cpu(sum->ss_nblocks);
if (pseg_start < seg_end)
continue;
goto feed_segment;
ri->ri_need_recovery = NILFS_RECOVERY_ROLLFORWARD_DONE;
}
out:
+ brelse(bh_sum);
dispose_recovery_list(&dsync_blocks);
- nilfs_detach_writer(sbi->s_nilfs, sbi);
+ nilfs_detach_writer(nilfs, sbi);
return err;
confused:
}
static void nilfs_finish_roll_forward(struct the_nilfs *nilfs,
- struct nilfs_sb_info *sbi,
struct nilfs_recovery_info *ri)
{
struct buffer_head *bh;
nilfs_get_segnum_of_block(nilfs, ri->ri_super_root))
return;
- bh = sb_getblk(sbi->s_super, ri->ri_lsegs_start);
+ bh = __getblk(nilfs->ns_bdev, ri->ri_lsegs_start, nilfs->ns_blocksize);
BUG_ON(!bh);
memset(bh->b_data, 0, bh->b_size);
set_buffer_dirty(bh);
}
/**
- * nilfs_recover_logical_segments - salvage logical segments written after
- * the latest super root
- * @nilfs: the_nilfs
+ * nilfs_salvage_orphan_logs - salvage logs written after the latest checkpoint
+ * @nilfs: nilfs object
* @sbi: nilfs_sb_info
* @ri: pointer to a nilfs_recovery_info struct to store search results.
*
*
* %-ENOMEM - Insufficient memory available.
*/
-int nilfs_recover_logical_segments(struct the_nilfs *nilfs,
- struct nilfs_sb_info *sbi,
- struct nilfs_recovery_info *ri)
+int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs,
+ struct nilfs_sb_info *sbi,
+ struct nilfs_recovery_info *ri)
{
int err;
goto failed;
}
- nilfs_finish_roll_forward(nilfs, sbi, ri);
+ nilfs_finish_roll_forward(nilfs, ri);
}
failed:
/**
* nilfs_search_super_root - search the latest valid super root
* @nilfs: the_nilfs
- * @sbi: nilfs_sb_info
* @ri: pointer to a nilfs_recovery_info struct to store search results.
*
* nilfs_search_super_root() looks for the latest super-root from a partial
* %-EINVAL - No valid segment found
*
* %-EIO - I/O error
+ *
+ * %-ENOMEM - Insufficient memory available.
*/
-int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi,
+int nilfs_search_super_root(struct the_nilfs *nilfs,
struct nilfs_recovery_info *ri)
{
- struct nilfs_segsum_info ssi;
+ struct buffer_head *bh_sum = NULL;
+ struct nilfs_segment_summary *sum;
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;
+ unsigned long nblocks;
+ unsigned int flags;
u64 seg_seq;
__u64 segnum, nextnum = 0;
__u64 cno;
/* Read ahead segment */
b = seg_start;
while (b <= seg_end)
- sb_breadahead(sbi->s_super, b++);
+ __breadahead(nilfs->ns_bdev, b++, nilfs->ns_blocksize);
for (;;) {
- /* Load segment summary */
- ret = load_segment_summary(sbi, pseg_start, seg_seq, &ssi);
+ brelse(bh_sum);
+ ret = NILFS_SEG_FAIL_IO;
+ bh_sum = nilfs_read_log_header(nilfs, pseg_start, &sum);
+ if (!bh_sum)
+ goto failed;
+
+ ret = nilfs_validate_log(nilfs, seg_seq, bh_sum, sum);
if (ret) {
if (ret == NILFS_SEG_FAIL_IO)
goto failed;
goto strayed;
}
- pseg_end = pseg_start + ssi.nblocks - 1;
+
+ nblocks = le32_to_cpu(sum->ss_nblocks);
+ pseg_end = pseg_start + nblocks - 1;
if (unlikely(pseg_end > seg_end)) {
ret = NILFS_SEG_FAIL_CONSISTENCY;
goto strayed;
ri->ri_pseg_start = pseg_start;
ri->ri_seq = seg_seq;
ri->ri_segnum = segnum;
- nextnum = nilfs_get_segnum_of_block(nilfs, ssi.next);
+ nextnum = nilfs_get_segnum_of_block(nilfs,
+ le64_to_cpu(sum->ss_next));
ri->ri_nextnum = nextnum;
empty_seg = 0;
- if (!NILFS_SEG_HAS_SR(&ssi) && !scan_newer) {
+ flags = le16_to_cpu(sum->ss_flags);
+ if (!(flags & NILFS_SS_SR) && !scan_newer) {
/* This will never happen because a superblock
(last_segment) always points to a pseg
having a super root. */
if (pseg_start == seg_start) {
nilfs_get_segment_range(nilfs, nextnum, &b, &end);
while (b <= end)
- sb_breadahead(sbi->s_super, b++);
+ __breadahead(nilfs->ns_bdev, b++,
+ nilfs->ns_blocksize);
}
- if (!NILFS_SEG_HAS_SR(&ssi)) {
- if (!ri->ri_lsegs_start && NILFS_SEG_LOGBGN(&ssi)) {
+ if (!(flags & NILFS_SS_SR)) {
+ if (!ri->ri_lsegs_start && (flags & NILFS_SS_LOGBGN)) {
ri->ri_lsegs_start = pseg_start;
ri->ri_lsegs_start_seq = seg_seq;
}
- if (NILFS_SEG_LOGEND(&ssi))
+ if (flags & NILFS_SS_LOGEND)
ri->ri_lsegs_end = pseg_start;
goto try_next_pseg;
}
ri->ri_lsegs_start = ri->ri_lsegs_end = 0;
nilfs_dispose_segment_list(&segments);
- nilfs->ns_pseg_offset = (sr_pseg_start = pseg_start)
- + ssi.nblocks - seg_start;
+ sr_pseg_start = pseg_start;
+ nilfs->ns_pseg_offset = pseg_start + nblocks - seg_start;
nilfs->ns_seg_seq = seg_seq;
nilfs->ns_segnum = segnum;
nilfs->ns_cno = cno; /* nilfs->ns_cno = ri->ri_cno + 1 */
- nilfs->ns_ctime = ssi.ctime;
+ nilfs->ns_ctime = le64_to_cpu(sum->ss_create);
nilfs->ns_nextnum = nextnum;
if (scan_newer)
scan_newer = 1;
}
- /* reset region for roll-forward */
- pseg_start += ssi.nblocks;
- if (pseg_start < seg_end)
- continue;
- goto feed_segment;
-
try_next_pseg:
/* Standing on a course, or met an inconsistent state */
- pseg_start += ssi.nblocks;
+ pseg_start += nblocks;
if (pseg_start < seg_end)
continue;
goto feed_segment;
super_root_found:
/* Updating pointers relating to the latest checkpoint */
+ brelse(bh_sum);
list_splice_tail(&segments, &ri->ri_used_segments);
nilfs->ns_last_pseg = sr_pseg_start;
nilfs->ns_last_seq = nilfs->ns_seg_seq;
return 0;
failed:
+ brelse(bh_sum);
nilfs_dispose_segment_list(&segments);
return (ret < 0) ? ret : nilfs_warn_segment_error(ret);
}
git.openpandora.org / pandora-kernel.git / blobdiff