From: Mauricio Faria de Oliveira Date: Tue, 6 Oct 2020 00:48:38 +0000 (-0300) Subject: jbd2: introduce/export functions jbd2_journal_submit|finish_inode_data_buffers() X-Git-Tag: v5.10.7~1353^2~17 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aa3c0c61f62d682259e3e66cdc01846290f9cd6c;p=platform%2Fkernel%2Flinux-rpi.git jbd2: introduce/export functions jbd2_journal_submit|finish_inode_data_buffers() Export functions that implement the current behavior done for an inode in journal_submit|finish_inode_data_buffers(). No functional change. Signed-off-by: Mauricio Faria de Oliveira Suggested-by: Jan Kara Reviewed-by: Jan Kara Reviewed-by: Andreas Dilger Link: https://lore.kernel.org/r/20201006004841.600488-2-mfo@canonical.com Signed-off-by: Theodore Ts'o --- diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 6d2da8a..f79b86b 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -187,19 +187,17 @@ static int journal_wait_on_commit_record(journal_t *journal, * use writepages() because with delayed allocation we may be doing * block allocation in writepages(). */ -static int journal_submit_inode_data_buffers(struct address_space *mapping, - loff_t dirty_start, loff_t dirty_end) +int jbd2_journal_submit_inode_data_buffers(struct jbd2_inode *jinode) { - int ret; + struct address_space *mapping = jinode->i_vfs_inode->i_mapping; struct writeback_control wbc = { .sync_mode = WB_SYNC_ALL, .nr_to_write = mapping->nrpages * 2, - .range_start = dirty_start, - .range_end = dirty_end, + .range_start = jinode->i_dirty_start, + .range_end = jinode->i_dirty_end, }; - ret = generic_writepages(mapping, &wbc); - return ret; + return generic_writepages(mapping, &wbc); } /* @@ -215,16 +213,11 @@ static int journal_submit_data_buffers(journal_t *journal, { struct jbd2_inode *jinode; int err, ret = 0; - struct address_space *mapping; spin_lock(&journal->j_list_lock); list_for_each_entry(jinode, &commit_transaction->t_inode_list, i_list) { - loff_t dirty_start = jinode->i_dirty_start; - loff_t dirty_end = jinode->i_dirty_end; - if (!(jinode->i_flags & JI_WRITE_DATA)) continue; - mapping = jinode->i_vfs_inode->i_mapping; jinode->i_flags |= JI_COMMIT_RUNNING; spin_unlock(&journal->j_list_lock); /* @@ -234,8 +227,7 @@ static int journal_submit_data_buffers(journal_t *journal, * only allocated blocks here. */ trace_jbd2_submit_inode_data(jinode->i_vfs_inode); - err = journal_submit_inode_data_buffers(mapping, dirty_start, - dirty_end); + err = jbd2_journal_submit_inode_data_buffers(jinode); if (!ret) ret = err; spin_lock(&journal->j_list_lock); @@ -248,6 +240,15 @@ static int journal_submit_data_buffers(journal_t *journal, return ret; } +int jbd2_journal_finish_inode_data_buffers(struct jbd2_inode *jinode) +{ + struct address_space *mapping = jinode->i_vfs_inode->i_mapping; + + return filemap_fdatawait_range_keep_errors(mapping, + jinode->i_dirty_start, + jinode->i_dirty_end); +} + /* * Wait for data submitted for writeout, refile inodes to proper * transaction if needed. @@ -262,16 +263,11 @@ 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) { - loff_t dirty_start = jinode->i_dirty_start; - loff_t dirty_end = jinode->i_dirty_end; - if (!(jinode->i_flags & JI_WAIT_DATA)) continue; jinode->i_flags |= JI_COMMIT_RUNNING; spin_unlock(&journal->j_list_lock); - err = filemap_fdatawait_range_keep_errors( - jinode->i_vfs_inode->i_mapping, dirty_start, - dirty_end); + err = jbd2_journal_finish_inode_data_buffers(jinode); if (!ret) ret = err; spin_lock(&journal->j_list_lock); diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 17fdc48..c060040 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -91,6 +91,8 @@ EXPORT_SYMBOL(jbd2_journal_try_to_free_buffers); EXPORT_SYMBOL(jbd2_journal_force_commit); EXPORT_SYMBOL(jbd2_journal_inode_ranged_write); EXPORT_SYMBOL(jbd2_journal_inode_ranged_wait); +EXPORT_SYMBOL(jbd2_journal_submit_inode_data_buffers); +EXPORT_SYMBOL(jbd2_journal_finish_inode_data_buffers); EXPORT_SYMBOL(jbd2_journal_init_jbd_inode); EXPORT_SYMBOL(jbd2_journal_release_jbd_inode); EXPORT_SYMBOL(jbd2_journal_begin_ordered_truncate); diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index a1ef054..8b7b060 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1421,6 +1421,10 @@ extern int jbd2_journal_inode_ranged_write(handle_t *handle, extern int jbd2_journal_inode_ranged_wait(handle_t *handle, struct jbd2_inode *inode, loff_t start_byte, loff_t length); +extern int jbd2_journal_submit_inode_data_buffers( + struct jbd2_inode *jinode); +extern int jbd2_journal_finish_inode_data_buffers( + struct jbd2_inode *jinode); extern int jbd2_journal_begin_ordered_truncate(journal_t *journal, struct jbd2_inode *inode, loff_t new_size); extern void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode);