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path: root/fs/jbd2/commit.c
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Diffstat (limited to 'fs/jbd2/commit.c')
-rw-r--r--fs/jbd2/commit.c53
1 files changed, 15 insertions, 38 deletions
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 36345fefa..2ad98d6e1 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -81,11 +81,11 @@ static void release_buffer_page(struct buffer_head *bh)
if (!trylock_page(page))
goto nope;
- page_cache_get(page);
+ get_page(page);
__brelse(bh);
try_to_free_buffers(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return;
nope:
@@ -131,14 +131,12 @@ static int journal_submit_commit_record(journal_t *journal,
if (is_journal_aborted(journal))
return 0;
- bh = jbd2_journal_get_descriptor_buffer(journal);
+ bh = jbd2_journal_get_descriptor_buffer(commit_transaction,
+ JBD2_COMMIT_BLOCK);
if (!bh)
return 1;
tmp = (struct commit_header *)bh->b_data;
- tmp->h_magic = cpu_to_be32(JBD2_MAGIC_NUMBER);
- tmp->h_blocktype = cpu_to_be32(JBD2_COMMIT_BLOCK);
- tmp->h_sequence = cpu_to_be32(commit_transaction->t_tid);
tmp->h_commit_sec = cpu_to_be64(now.tv_sec);
tmp->h_commit_nsec = cpu_to_be32(now.tv_nsec);
@@ -222,7 +220,7 @@ static int journal_submit_data_buffers(journal_t *journal,
spin_lock(&journal->j_list_lock);
list_for_each_entry(jinode, &commit_transaction->t_inode_list, i_list) {
mapping = jinode->i_vfs_inode->i_mapping;
- set_bit(__JI_COMMIT_RUNNING, &jinode->i_flags);
+ jinode->i_flags |= JI_COMMIT_RUNNING;
spin_unlock(&journal->j_list_lock);
/*
* submit the inode data buffers. We use writepage
@@ -236,8 +234,8 @@ static int journal_submit_data_buffers(journal_t *journal,
ret = err;
spin_lock(&journal->j_list_lock);
J_ASSERT(jinode->i_transaction == commit_transaction);
- clear_bit(__JI_COMMIT_RUNNING, &jinode->i_flags);
- smp_mb__after_atomic();
+ jinode->i_flags &= ~JI_COMMIT_RUNNING;
+ smp_mb();
wake_up_bit(&jinode->i_flags, __JI_COMMIT_RUNNING);
}
spin_unlock(&journal->j_list_lock);
@@ -258,7 +256,7 @@ static int journal_finish_inode_data_buffers(journal_t *journal,
/* For locking, see the comment in journal_submit_data_buffers() */
spin_lock(&journal->j_list_lock);
list_for_each_entry(jinode, &commit_transaction->t_inode_list, i_list) {
- set_bit(__JI_COMMIT_RUNNING, &jinode->i_flags);
+ jinode->i_flags |= JI_COMMIT_RUNNING;
spin_unlock(&journal->j_list_lock);
err = filemap_fdatawait(jinode->i_vfs_inode->i_mapping);
if (err) {
@@ -274,8 +272,8 @@ static int journal_finish_inode_data_buffers(journal_t *journal,
ret = err;
}
spin_lock(&journal->j_list_lock);
- clear_bit(__JI_COMMIT_RUNNING, &jinode->i_flags);
- smp_mb__after_atomic();
+ jinode->i_flags &= ~JI_COMMIT_RUNNING;
+ smp_mb();
wake_up_bit(&jinode->i_flags, __JI_COMMIT_RUNNING);
}
@@ -319,22 +317,6 @@ static void write_tag_block(journal_t *j, journal_block_tag_t *tag,
tag->t_blocknr_high = cpu_to_be32((block >> 31) >> 1);
}
-static void jbd2_descr_block_csum_set(journal_t *j,
- struct buffer_head *bh)
-{
- struct jbd2_journal_block_tail *tail;
- __u32 csum;
-
- if (!jbd2_journal_has_csum_v2or3(j))
- return;
-
- tail = (struct jbd2_journal_block_tail *)(bh->b_data + j->j_blocksize -
- sizeof(struct jbd2_journal_block_tail));
- tail->t_checksum = 0;
- csum = jbd2_chksum(j, j->j_csum_seed, bh->b_data, j->j_blocksize);
- tail->t_checksum = cpu_to_be32(csum);
-}
-
static void jbd2_block_tag_csum_set(journal_t *j, journal_block_tag_t *tag,
struct buffer_head *bh, __u32 sequence)
{
@@ -379,7 +361,6 @@ void jbd2_journal_commit_transaction(journal_t *journal)
ktime_t start_time;
u64 commit_time;
char *tagp = NULL;
- journal_header_t *header;
journal_block_tag_t *tag = NULL;
int space_left = 0;
int first_tag = 0;
@@ -554,8 +535,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
jbd2_journal_abort(journal, err);
blk_start_plug(&plug);
- jbd2_journal_write_revoke_records(journal, commit_transaction,
- &log_bufs, WRITE_SYNC);
+ jbd2_journal_write_revoke_records(commit_transaction, &log_bufs);
jbd_debug(3, "JBD2: commit phase 2b\n");
@@ -616,7 +596,9 @@ void jbd2_journal_commit_transaction(journal_t *journal)
jbd_debug(4, "JBD2: get descriptor\n");
- descriptor = jbd2_journal_get_descriptor_buffer(journal);
+ descriptor = jbd2_journal_get_descriptor_buffer(
+ commit_transaction,
+ JBD2_DESCRIPTOR_BLOCK);
if (!descriptor) {
jbd2_journal_abort(journal, -EIO);
continue;
@@ -625,11 +607,6 @@ void jbd2_journal_commit_transaction(journal_t *journal)
jbd_debug(4, "JBD2: got buffer %llu (%p)\n",
(unsigned long long)descriptor->b_blocknr,
descriptor->b_data);
- header = (journal_header_t *)descriptor->b_data;
- header->h_magic = cpu_to_be32(JBD2_MAGIC_NUMBER);
- header->h_blocktype = cpu_to_be32(JBD2_DESCRIPTOR_BLOCK);
- header->h_sequence = cpu_to_be32(commit_transaction->t_tid);
-
tagp = &descriptor->b_data[sizeof(journal_header_t)];
space_left = descriptor->b_size -
sizeof(journal_header_t);
@@ -721,7 +698,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
tag->t_flags |= cpu_to_be16(JBD2_FLAG_LAST_TAG);
- jbd2_descr_block_csum_set(journal, descriptor);
+ jbd2_descriptor_block_csum_set(journal, descriptor);
start_journal_io:
for (i = 0; i < bufs; i++) {
struct buffer_head *bh = wbuf[i];