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-rw-r--r--fs/jbd2/checkpoint.c8
-rw-r--r--fs/jbd2/commit.c22
-rw-r--r--fs/jbd2/journal.c21
-rw-r--r--fs/jbd2/recovery.c26
-rw-r--r--fs/jbd2/revoke.c4
-rw-r--r--fs/jbd2/transaction.c16
6 files changed, 46 insertions, 51 deletions
diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 8c44654ce..684996c8a 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -427,7 +427,6 @@ static int journal_clean_one_cp_list(struct journal_head *jh, bool destroy)
struct journal_head *last_jh;
struct journal_head *next_jh = jh;
int ret;
- int freed = 0;
if (!jh)
return 0;
@@ -441,10 +440,9 @@ static int journal_clean_one_cp_list(struct journal_head *jh, bool destroy)
else
ret = __jbd2_journal_remove_checkpoint(jh) + 1;
if (!ret)
- return freed;
+ return 0;
if (ret == 2)
return 1;
- freed = 1;
/*
* This function only frees up some memory
* if possible so we dont have an obligation
@@ -452,10 +450,10 @@ static int journal_clean_one_cp_list(struct journal_head *jh, bool destroy)
* requested:
*/
if (need_resched())
- return freed;
+ return 0;
} while (jh != last_jh);
- return freed;
+ return 0;
}
/*
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 362e5f614..36345fefa 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -142,8 +142,7 @@ static int journal_submit_commit_record(journal_t *journal,
tmp->h_commit_sec = cpu_to_be64(now.tv_sec);
tmp->h_commit_nsec = cpu_to_be32(now.tv_nsec);
- if (JBD2_HAS_COMPAT_FEATURE(journal,
- JBD2_FEATURE_COMPAT_CHECKSUM)) {
+ if (jbd2_has_feature_checksum(journal)) {
tmp->h_chksum_type = JBD2_CRC32_CHKSUM;
tmp->h_chksum_size = JBD2_CRC32_CHKSUM_SIZE;
tmp->h_chksum[0] = cpu_to_be32(crc32_sum);
@@ -157,8 +156,7 @@ static int journal_submit_commit_record(journal_t *journal,
bh->b_end_io = journal_end_buffer_io_sync;
if (journal->j_flags & JBD2_BARRIER &&
- !JBD2_HAS_INCOMPAT_FEATURE(journal,
- JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT))
+ !jbd2_has_feature_async_commit(journal))
ret = submit_bh(WRITE_SYNC | WRITE_FLUSH_FUA, bh);
else
ret = submit_bh(WRITE_SYNC, bh);
@@ -317,7 +315,7 @@ static void write_tag_block(journal_t *j, journal_block_tag_t *tag,
unsigned long long block)
{
tag->t_blocknr = cpu_to_be32(block & (u32)~0);
- if (JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_64BIT))
+ if (jbd2_has_feature_64bit(j))
tag->t_blocknr_high = cpu_to_be32((block >> 31) >> 1);
}
@@ -356,7 +354,7 @@ static void jbd2_block_tag_csum_set(journal_t *j, journal_block_tag_t *tag,
bh->b_size);
kunmap_atomic(addr);
- if (JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V3))
+ if (jbd2_has_feature_csum3(j))
tag3->t_checksum = cpu_to_be32(csum32);
else
tag->t_checksum = cpu_to_be16(csum32);
@@ -730,8 +728,7 @@ start_journal_io:
/*
* Compute checksum.
*/
- if (JBD2_HAS_COMPAT_FEATURE(journal,
- JBD2_FEATURE_COMPAT_CHECKSUM)) {
+ if (jbd2_has_feature_checksum(journal)) {
crc32_sum =
jbd2_checksum_data(crc32_sum, bh);
}
@@ -797,8 +794,7 @@ start_journal_io:
blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS, NULL);
/* Done it all: now write the commit record asynchronously. */
- if (JBD2_HAS_INCOMPAT_FEATURE(journal,
- JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
+ if (jbd2_has_feature_async_commit(journal)) {
err = journal_submit_commit_record(journal, commit_transaction,
&cbh, crc32_sum);
if (err)
@@ -889,8 +885,7 @@ start_journal_io:
commit_transaction->t_state = T_COMMIT_JFLUSH;
write_unlock(&journal->j_state_lock);
- if (!JBD2_HAS_INCOMPAT_FEATURE(journal,
- JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
+ if (!jbd2_has_feature_async_commit(journal)) {
err = journal_submit_commit_record(journal, commit_transaction,
&cbh, crc32_sum);
if (err)
@@ -898,8 +893,7 @@ start_journal_io:
}
if (cbh)
err = journal_wait_on_commit_record(journal, cbh);
- if (JBD2_HAS_INCOMPAT_FEATURE(journal,
- JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT) &&
+ if (jbd2_has_feature_async_commit(journal) &&
journal->j_flags & JBD2_BARRIER) {
blkdev_issue_flush(journal->j_dev, GFP_NOFS, NULL);
}
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 37023d0bd..81e622681 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -124,7 +124,7 @@ EXPORT_SYMBOL(__jbd2_debug);
/* Checksumming functions */
static int jbd2_verify_csum_type(journal_t *j, journal_superblock_t *sb)
{
- if (!jbd2_journal_has_csum_v2or3(j))
+ if (!jbd2_journal_has_csum_v2or3_feature(j))
return 1;
return sb->s_checksum_type == JBD2_CRC32C_CHKSUM;
@@ -1523,16 +1523,16 @@ static int journal_get_superblock(journal_t *journal)
goto out;
}
- if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2) &&
- JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V3)) {
+ if (jbd2_has_feature_csum2(journal) &&
+ jbd2_has_feature_csum3(journal)) {
/* Can't have checksum v2 and v3 at the same time! */
printk(KERN_ERR "JBD2: Can't enable checksumming v2 and v3 "
"at the same time!\n");
goto out;
}
- if (jbd2_journal_has_csum_v2or3(journal) &&
- JBD2_HAS_COMPAT_FEATURE(journal, JBD2_FEATURE_COMPAT_CHECKSUM)) {
+ if (jbd2_journal_has_csum_v2or3_feature(journal) &&
+ jbd2_has_feature_checksum(journal)) {
/* Can't have checksum v1 and v2 on at the same time! */
printk(KERN_ERR "JBD2: Can't enable checksumming v1 and v2/3 "
"at the same time!\n");
@@ -1545,7 +1545,7 @@ static int journal_get_superblock(journal_t *journal)
}
/* Load the checksum driver */
- if (jbd2_journal_has_csum_v2or3(journal)) {
+ if (jbd2_journal_has_csum_v2or3_feature(journal)) {
journal->j_chksum_driver = crypto_alloc_shash("crc32c", 0, 0);
if (IS_ERR(journal->j_chksum_driver)) {
printk(KERN_ERR "JBD2: Cannot load crc32c driver.\n");
@@ -1558,6 +1558,7 @@ static int journal_get_superblock(journal_t *journal)
/* Check superblock checksum */
if (!jbd2_superblock_csum_verify(journal, sb)) {
printk(KERN_ERR "JBD2: journal checksum error\n");
+ err = -EFSBADCRC;
goto out;
}
@@ -1649,7 +1650,7 @@ int jbd2_journal_load(journal_t *journal)
printk(KERN_ERR "JBD2: journal transaction %u on %s "
"is corrupt.\n", journal->j_failed_commit,
journal->j_devname);
- return -EIO;
+ return -EFSCORRUPTED;
}
/* OK, we've finished with the dynamic journal bits:
@@ -2201,15 +2202,15 @@ size_t journal_tag_bytes(journal_t *journal)
{
size_t sz;
- if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V3))
+ if (jbd2_has_feature_csum3(journal))
return sizeof(journal_block_tag3_t);
sz = sizeof(journal_block_tag_t);
- if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2))
+ if (jbd2_has_feature_csum2(journal))
sz += sizeof(__u16);
- if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT))
+ if (jbd2_has_feature_64bit(journal))
return sz;
else
return sz - sizeof(__u32);
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index a9079d035..7f277e49f 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -140,7 +140,7 @@ static int jread(struct buffer_head **bhp, journal_t *journal,
if (offset >= journal->j_maxlen) {
printk(KERN_ERR "JBD2: corrupted journal superblock\n");
- return -EIO;
+ return -EFSCORRUPTED;
}
err = jbd2_journal_bmap(journal, offset, &blocknr);
@@ -342,7 +342,7 @@ static inline unsigned long long read_tag_block(journal_t *journal,
journal_block_tag_t *tag)
{
unsigned long long block = be32_to_cpu(tag->t_blocknr);
- if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT))
+ if (jbd2_has_feature_64bit(journal))
block |= (u64)be32_to_cpu(tag->t_blocknr_high) << 32;
return block;
}
@@ -411,7 +411,7 @@ static int jbd2_block_tag_csum_verify(journal_t *j, journal_block_tag_t *tag,
csum32 = jbd2_chksum(j, j->j_csum_seed, (__u8 *)&seq, sizeof(seq));
csum32 = jbd2_chksum(j, csum32, buf, j->j_blocksize);
- if (JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V3))
+ if (jbd2_has_feature_csum3(j))
return tag3->t_checksum == cpu_to_be32(csum32);
else
return tag->t_checksum == cpu_to_be16(csum32);
@@ -527,7 +527,7 @@ static int do_one_pass(journal_t *journal,
printk(KERN_ERR "JBD2: Invalid checksum "
"recovering block %lu in log\n",
next_log_block);
- err = -EIO;
+ err = -EFSBADCRC;
brelse(bh);
goto failed;
}
@@ -538,8 +538,7 @@ static int do_one_pass(journal_t *journal,
* just skip over the blocks it describes. */
if (pass != PASS_REPLAY) {
if (pass == PASS_SCAN &&
- JBD2_HAS_COMPAT_FEATURE(journal,
- JBD2_FEATURE_COMPAT_CHECKSUM) &&
+ jbd2_has_feature_checksum(journal) &&
!info->end_transaction) {
if (calc_chksums(journal, bh,
&next_log_block,
@@ -602,7 +601,7 @@ static int do_one_pass(journal_t *journal,
journal, tag, obh->b_data,
be32_to_cpu(tmp->h_sequence))) {
brelse(obh);
- success = -EIO;
+ success = -EFSBADCRC;
printk(KERN_ERR "JBD2: Invalid "
"checksum recovering "
"block %llu in log\n",
@@ -694,8 +693,7 @@ static int do_one_pass(journal_t *journal,
* much to do other than move on to the next sequence
* number. */
if (pass == PASS_SCAN &&
- JBD2_HAS_COMPAT_FEATURE(journal,
- JBD2_FEATURE_COMPAT_CHECKSUM)) {
+ jbd2_has_feature_checksum(journal)) {
int chksum_err, chksum_seen;
struct commit_header *cbh =
(struct commit_header *)bh->b_data;
@@ -735,8 +733,7 @@ static int do_one_pass(journal_t *journal,
if (chksum_err) {
info->end_transaction = next_commit_ID;
- if (!JBD2_HAS_INCOMPAT_FEATURE(journal,
- JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)){
+ if (!jbd2_has_feature_async_commit(journal)) {
journal->j_failed_commit =
next_commit_ID;
brelse(bh);
@@ -750,8 +747,7 @@ static int do_one_pass(journal_t *journal,
bh->b_data)) {
info->end_transaction = next_commit_ID;
- if (!JBD2_HAS_INCOMPAT_FEATURE(journal,
- JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
+ if (!jbd2_has_feature_async_commit(journal)) {
journal->j_failed_commit =
next_commit_ID;
brelse(bh);
@@ -851,7 +847,7 @@ static int scan_revoke_records(journal_t *journal, struct buffer_head *bh,
rcount = be32_to_cpu(header->r_count);
if (!jbd2_revoke_block_csum_verify(journal, header))
- return -EINVAL;
+ return -EFSBADCRC;
if (jbd2_journal_has_csum_v2or3(journal))
csum_size = sizeof(struct jbd2_journal_revoke_tail);
@@ -859,7 +855,7 @@ static int scan_revoke_records(journal_t *journal, struct buffer_head *bh,
return -EINVAL;
max = rcount;
- if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT))
+ if (jbd2_has_feature_64bit(journal))
record_len = 8;
while (offset + record_len <= max) {
diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c
index 0abf2e7f7..705ae5778 100644
--- a/fs/jbd2/revoke.c
+++ b/fs/jbd2/revoke.c
@@ -589,7 +589,7 @@ static void write_one_revoke_record(journal_t *journal,
if (jbd2_journal_has_csum_v2or3(journal))
csum_size = sizeof(struct jbd2_journal_revoke_tail);
- if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT))
+ if (jbd2_has_feature_64bit(journal))
sz = 8;
else
sz = 4;
@@ -619,7 +619,7 @@ static void write_one_revoke_record(journal_t *journal,
*descriptorp = descriptor;
}
- if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT))
+ if (jbd2_has_feature_64bit(journal))
* ((__be64 *)(&descriptor->b_data[offset])) =
cpu_to_be64(record->blocknr);
else
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 6b8338ec2..ca181e81c 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1009,7 +1009,8 @@ out:
}
/* Fast check whether buffer is already attached to the required transaction */
-static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh)
+static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh,
+ bool undo)
{
struct journal_head *jh;
bool ret = false;
@@ -1036,6 +1037,9 @@ static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh)
jh = READ_ONCE(bh->b_private);
if (!jh)
goto out;
+ /* For undo access buffer must have data copied */
+ if (undo && !jh->b_committed_data)
+ goto out;
if (jh->b_transaction != handle->h_transaction &&
jh->b_next_transaction != handle->h_transaction)
goto out;
@@ -1073,7 +1077,7 @@ int jbd2_journal_get_write_access(handle_t *handle, struct buffer_head *bh)
struct journal_head *jh;
int rc;
- if (jbd2_write_access_granted(handle, bh))
+ if (jbd2_write_access_granted(handle, bh, false))
return 0;
jh = jbd2_journal_add_journal_head(bh);
@@ -1210,7 +1214,7 @@ int jbd2_journal_get_undo_access(handle_t *handle, struct buffer_head *bh)
char *committed_data = NULL;
JBUFFER_TRACE(jh, "entry");
- if (jbd2_write_access_granted(handle, bh))
+ if (jbd2_write_access_granted(handle, bh, true))
return 0;
jh = jbd2_journal_add_journal_head(bh);
@@ -1937,8 +1941,8 @@ out:
* @journal: journal for operation
* @page: to try and free
* @gfp_mask: we use the mask to detect how hard should we try to release
- * buffers. If __GFP_WAIT and __GFP_FS is set, we wait for commit code to
- * release the buffers.
+ * buffers. If __GFP_DIRECT_RECLAIM and __GFP_FS is set, we wait for commit
+ * code to release the buffers.
*
*
* For all the buffers on this page,
@@ -2152,6 +2156,7 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh,
if (!buffer_dirty(bh)) {
/* bdflush has written it. We can drop it now */
+ __jbd2_journal_remove_checkpoint(jh);
goto zap_buffer;
}
@@ -2181,6 +2186,7 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh,
/* The orphan record's transaction has
* committed. We can cleanse this buffer */
clear_buffer_jbddirty(bh);
+ __jbd2_journal_remove_checkpoint(jh);
goto zap_buffer;
}
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 17:13:52 +0000