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Diffstat (limited to 'fs/jbd/recovery.c')
-rw-r--r--fs/jbd/recovery.c60
1 files changed, 31 insertions, 29 deletions
diff --git a/fs/jbd/recovery.c b/fs/jbd/recovery.c
index 445eed6ce5d..a748fe21465 100644
--- a/fs/jbd/recovery.c
+++ b/fs/jbd/recovery.c
@@ -1,5 +1,5 @@
/*
- * linux/fs/recovery.c
+ * linux/fs/jbd/recovery.c
*
* Written by Stephen C. Tweedie <sct@redhat.com>, 1999
*
@@ -20,7 +20,7 @@
#include <linux/fs.h>
#include <linux/jbd.h>
#include <linux/errno.h>
-#include <linux/slab.h>
+#include <linux/blkdev.h>
#endif
/*
@@ -46,7 +46,7 @@ static int scan_revoke_records(journal_t *, struct buffer_head *,
#ifdef __KERNEL__
/* Release readahead buffers after use */
-void journal_brelse_array(struct buffer_head *b[], int n)
+static void journal_brelse_array(struct buffer_head *b[], int n)
{
while (--n >= 0)
brelse (b[n]);
@@ -70,7 +70,7 @@ static int do_readahead(journal_t *journal, unsigned int start)
{
int err;
unsigned int max, nbufs, next;
- unsigned long blocknr;
+ unsigned int blocknr;
struct buffer_head *bh;
struct buffer_head * bufs[MAXBUF];
@@ -132,7 +132,7 @@ static int jread(struct buffer_head **bhp, journal_t *journal,
unsigned int offset)
{
int err;
- unsigned long blocknr;
+ unsigned int blocknr;
struct buffer_head *bh;
*bhp = NULL;
@@ -223,7 +223,7 @@ do { \
*/
int journal_recover(journal_t *journal)
{
- int err;
+ int err, err2;
journal_superblock_t * sb;
struct recovery_info info;
@@ -250,10 +250,10 @@ int journal_recover(journal_t *journal)
if (!err)
err = do_one_pass(journal, &info, PASS_REPLAY);
- jbd_debug(0, "JBD: recovery, exit status %d, "
+ jbd_debug(1, "JBD: recovery, exit status %d, "
"recovered transactions %u to %u\n",
err, info.start_transaction, info.end_transaction);
- jbd_debug(0, "JBD: Replayed %d and revoked %d/%d blocks\n",
+ jbd_debug(1, "JBD: Replayed %d and revoked %d/%d blocks\n",
info.nr_replays, info.nr_revoke_hits, info.nr_revokes);
/* Restart the log at the next transaction ID, thus invalidating
@@ -261,7 +261,16 @@ int journal_recover(journal_t *journal)
journal->j_transaction_sequence = ++info.end_transaction;
journal_clear_revoke(journal);
- sync_blockdev(journal->j_fs_dev);
+ err2 = sync_blockdev(journal->j_fs_dev);
+ if (!err)
+ err = err2;
+ /* Flush disk caches to get replayed data on the permanent storage */
+ if (journal->j_flags & JFS_BARRIER) {
+ err2 = blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL);
+ if (!err)
+ err = err2;
+ }
+
return err;
}
@@ -281,12 +290,9 @@ int journal_recover(journal_t *journal)
int journal_skip_recovery(journal_t *journal)
{
int err;
- journal_superblock_t * sb;
-
struct recovery_info info;
memset (&info, 0, sizeof(info));
- sb = journal->j_superblock;
err = do_one_pass(journal, &info, PASS_SCAN);
@@ -295,11 +301,12 @@ int journal_skip_recovery(journal_t *journal)
++journal->j_transaction_sequence;
} else {
#ifdef CONFIG_JBD_DEBUG
- int dropped = info.end_transaction - be32_to_cpu(sb->s_sequence);
-#endif
- jbd_debug(0,
+ int dropped = info.end_transaction -
+ be32_to_cpu(journal->j_superblock->s_sequence);
+ jbd_debug(1,
"JBD: ignoring %d transaction%s from the journal.\n",
dropped, (dropped == 1) ? "" : "s");
+#endif
journal->j_transaction_sequence = ++info.end_transaction;
}
@@ -311,7 +318,7 @@ static int do_one_pass(journal_t *journal,
struct recovery_info *info, enum passtype pass)
{
unsigned int first_commit_ID, next_commit_ID;
- unsigned long next_log_block;
+ unsigned int next_log_block;
int err, success = 0;
journal_superblock_t * sb;
journal_header_t * tmp;
@@ -319,11 +326,6 @@ static int do_one_pass(journal_t *journal,
unsigned int sequence;
int blocktype;
- /* Precompute the maximum metadata descriptors in a descriptor block */
- int MAX_BLOCKS_PER_DESC;
- MAX_BLOCKS_PER_DESC = ((journal->j_blocksize-sizeof(journal_header_t))
- / sizeof(journal_block_tag_t));
-
/*
* First thing is to establish what we expect to find in the log
* (in terms of transaction IDs), and where (in terms of log
@@ -354,7 +356,7 @@ static int do_one_pass(journal_t *journal,
struct buffer_head * obh;
struct buffer_head * nbh;
- cond_resched(); /* We're under lock_kernel() */
+ cond_resched();
/* If we already know where to stop the log traversal,
* check right now that we haven't gone past the end of
@@ -364,14 +366,14 @@ static int do_one_pass(journal_t *journal,
if (tid_geq(next_commit_ID, info->end_transaction))
break;
- jbd_debug(2, "Scanning for sequence ID %u at %lu/%lu\n",
+ jbd_debug(2, "Scanning for sequence ID %u at %u/%u\n",
next_commit_ID, next_log_block, journal->j_last);
/* Skip over each chunk of the transaction looking
* either the next descriptor block or the final commit
* record. */
- jbd_debug(3, "JBD: checking block %ld\n", next_log_block);
+ jbd_debug(3, "JBD: checking block %u\n", next_log_block);
err = jread(&bh, journal, next_log_block);
if (err)
goto failed;
@@ -426,7 +428,7 @@ static int do_one_pass(journal_t *journal,
tagp = &bh->b_data[sizeof(journal_header_t)];
while ((tagp - bh->b_data +sizeof(journal_block_tag_t))
<= journal->j_blocksize) {
- unsigned long io_block;
+ unsigned int io_block;
tag = (journal_block_tag_t *) tagp;
flags = be32_to_cpu(tag->t_flags);
@@ -440,10 +442,10 @@ static int do_one_pass(journal_t *journal,
success = err;
printk (KERN_ERR
"JBD: IO error %d recovering "
- "block %ld in log\n",
+ "block %u in log\n",
err, io_block);
} else {
- unsigned long blocknr;
+ unsigned int blocknr;
J_ASSERT(obh != NULL);
blocknr = be32_to_cpu(tag->t_blocknr);
@@ -478,7 +480,7 @@ static int do_one_pass(journal_t *journal,
memcpy(nbh->b_data, obh->b_data,
journal->j_blocksize);
if (flags & JFS_FLAG_ESCAPE) {
- *((__be32 *)bh->b_data) =
+ *((__be32 *)nbh->b_data) =
cpu_to_be32(JFS_MAGIC_NUMBER);
}
@@ -578,7 +580,7 @@ static int scan_revoke_records(journal_t *journal, struct buffer_head *bh,
max = be32_to_cpu(header->r_count);
while (offset < max) {
- unsigned long blocknr;
+ unsigned int blocknr;
int err;
blocknr = be32_to_cpu(* ((__be32 *) (bh->b_data+offset)));
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 15:50:44 +0000