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authorJan Kara <jack@suse.cz>2016-02-22 23:17:15 -0500
committerTheodore Ts'o <tytso@mit.edu>2016-02-22 23:17:15 -0500
commit32ab671599a89534f37e97d146c27690e371b661 (patch)
tree6fe66460f49b278a6c7115fe2d3d03733c91bc2f /fs/jbd2/commit.c
parent9bcf976cb8b86eb40e0c0b495a14e4cb967b9c6e (diff)
downloadlinux-32ab671599a89534f37e97d146c27690e371b661.tar.bz2
jbd2: factor out common descriptor block initialization
Descriptor block header is initialized in several places. Factor out the common code into jbd2_journal_get_descriptor_buffer(). Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/jbd2/commit.c')
-rw-r--r--fs/jbd2/commit.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index ae4402d15d46..cf221f3d955a 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -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);
@@ -379,7 +377,6 @@ 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;
@@ -615,7 +612,9 @@ 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;
@@ -624,11 +623,6 @@ 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);