@@ -2379,7 +2379,6 @@ static int mpage_journal_page_buffers(handle_t *handle,
static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd)
{
struct address_space *mapping = mpd->inode->i_mapping;
- struct super_block *sb = mpd->inode->i_sb;
struct folio_batch fbatch;
unsigned int nr_folios;
pgoff_t index = mpd->first_page;
@@ -2399,15 +2398,7 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd)
mpd->map.m_len = 0;
mpd->next_page = index;
- /*
- * Start a transaction for writeback of journalled data. We don't start
- * the transaction if the filesystem is frozen. In that case we
- * should not have any dirty data to write anymore but possibly there
- * are stray page dirty bits left by the checkpointing code so this
- * loop clears them.
- */
- if (ext4_should_journal_data(mpd->inode) &&
- sb->s_writers.frozen < SB_FREEZE_FS) {
+ if (ext4_should_journal_data(mpd->inode)) {
handle = ext4_journal_start(mpd->inode, EXT4_HT_WRITE_PAGE,
bpp);
if (IS_ERR(handle))
@@ -2496,15 +2487,11 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd)
* through a pin.
*/
if (!mpd->can_map) {
- WARN_ON_ONCE(sb->s_writers.frozen ==
- SB_FREEZE_COMPLETE);
err = mpage_submit_page(mpd, &folio->page);
if (err < 0)
goto out;
/* Pending dirtying of journalled data? */
if (PageChecked(&folio->page)) {
- WARN_ON_ONCE(sb->s_writers.frozen >=
- SB_FREEZE_FS);
err = mpage_journal_page_buffers(handle,
mpd, &folio->page);
if (err < 0)
@@ -6293,17 +6293,6 @@ static int ext4_freeze(struct super_block *sb)
if (error < 0)
goto out;
- /*
- * Do another sync. We really should not have any dirty data
- * anymore but our checkpointing code does not clear page dirty
- * bits due to locking constraints so writeback still can get
- * started for inodes with journalled data which triggers
- * annoying warnings.
- */
- error = sync_filesystem(sb);
- if (error < 0)
- goto out;
-
/* Journal blocked and flushed, clear needs_recovery flag. */
ext4_clear_feature_journal_needs_recovery(sb);
if (ext4_orphan_file_empty(sb))
After making ext4_writepages() properly clean all pages there is no need for special treatment of filesystem freezing. Revert commit e6c28a26b799c7640b77daff3e4a67808c74381c. Signed-off-by: Jan Kara <jack@suse.cz> --- fs/ext4/inode.c | 15 +-------------- fs/ext4/super.c | 11 ----------- 2 files changed, 1 insertion(+), 25 deletions(-)