Removes sci->sc_sbi which is a back pointer to nilfs_sb_info struct from log writer object (nilfs_sc_info).
Signed-off-by: Ryusuke Konishi <[email protected]> --- fs/nilfs2/segment.c | 29 ++++++++++++----------------- fs/nilfs2/segment.h | 2 -- 2 files changed, 12 insertions(+), 19 deletions(-) diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index e3d1785..b14788e 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -772,7 +772,7 @@ static int nilfs_segctor_clean(struct nilfs_sc_info *sci) static int nilfs_segctor_confirm(struct nilfs_sc_info *sci) { - struct the_nilfs *nilfs = sci->sc_sbi->s_nilfs; + struct the_nilfs *nilfs = NILFS_SB(sci->sc_super)->s_nilfs; int ret = 0; if (nilfs_test_metadata_dirty(nilfs, sci->sc_root)) @@ -788,8 +788,7 @@ static int nilfs_segctor_confirm(struct nilfs_sc_info *sci) static void nilfs_segctor_clear_metadata_dirty(struct nilfs_sc_info *sci) { - struct nilfs_sb_info *sbi = sci->sc_sbi; - struct the_nilfs *nilfs = sbi->s_nilfs; + struct the_nilfs *nilfs = NILFS_SB(sci->sc_super)->s_nilfs; nilfs_mdt_clear_dirty(sci->sc_root->ifile); nilfs_mdt_clear_dirty(nilfs->ns_cpfile); @@ -799,7 +798,7 @@ static void nilfs_segctor_clear_metadata_dirty(struct nilfs_sc_info *sci) static int nilfs_segctor_create_checkpoint(struct nilfs_sc_info *sci) { - struct the_nilfs *nilfs = sci->sc_sbi->s_nilfs; + struct the_nilfs *nilfs = NILFS_SB(sci->sc_super)->s_nilfs; struct buffer_head *bh_cp; struct nilfs_checkpoint *raw_cp; int err; @@ -823,8 +822,7 @@ static int nilfs_segctor_create_checkpoint(struct nilfs_sc_info *sci) static int nilfs_segctor_fill_in_checkpoint(struct nilfs_sc_info *sci) { - struct nilfs_sb_info *sbi = sci->sc_sbi; - struct the_nilfs *nilfs = sbi->s_nilfs; + struct the_nilfs *nilfs = NILFS_SB(sci->sc_super)->s_nilfs; struct buffer_head *bh_cp; struct nilfs_checkpoint *raw_cp; int err; @@ -1048,8 +1046,7 @@ static int nilfs_segctor_scan_file_dsync(struct nilfs_sc_info *sci, static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) { - struct nilfs_sb_info *sbi = sci->sc_sbi; - struct the_nilfs *nilfs = sbi->s_nilfs; + struct the_nilfs *nilfs = NILFS_SB(sci->sc_super)->s_nilfs; struct list_head *head; struct nilfs_inode_info *ii; size_t ndone; @@ -1858,7 +1855,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci) { struct nilfs_segment_buffer *segbuf; struct page *bd_page = NULL, *fs_page = NULL; - struct the_nilfs *nilfs = sci->sc_sbi->s_nilfs; + struct the_nilfs *nilfs = NILFS_SB(sci->sc_super)->s_nilfs; int update_sr = false; list_for_each_entry(segbuf, &sci->sc_write_logs, sb_list) { @@ -2029,8 +2026,7 @@ static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci, */ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) { - struct nilfs_sb_info *sbi = sci->sc_sbi; - struct the_nilfs *nilfs = sbi->s_nilfs; + struct the_nilfs *nilfs = NILFS_SB(sci->sc_super)->s_nilfs; struct page *failed_page; int err; @@ -2388,7 +2384,7 @@ static void nilfs_segctor_notify(struct nilfs_sc_info *sci, int mode, int err) */ static int nilfs_segctor_construct(struct nilfs_sc_info *sci, int mode) { - struct nilfs_sb_info *sbi = sci->sc_sbi; + struct nilfs_sb_info *sbi = NILFS_SB(sci->sc_super); struct the_nilfs *nilfs = sbi->s_nilfs; struct nilfs_super_block **sbp; int err = 0; @@ -2501,7 +2497,7 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv, static void nilfs_segctor_thread_construct(struct nilfs_sc_info *sci, int mode) { - struct nilfs_sb_info *sbi = sci->sc_sbi; + struct nilfs_sb_info *sbi = NILFS_SB(sci->sc_super); struct nilfs_transaction_info ti; nilfs_transaction_lock(sbi, &ti, 0); @@ -2561,7 +2557,7 @@ static int nilfs_segctor_flush_mode(struct nilfs_sc_info *sci) static int nilfs_segctor_thread(void *arg) { struct nilfs_sc_info *sci = (struct nilfs_sc_info *)arg; - struct the_nilfs *nilfs = sci->sc_sbi->s_nilfs; + struct the_nilfs *nilfs = NILFS_SB(sci->sc_super)->s_nilfs; int timeout = 0; sci->sc_timer.data = (unsigned long)current; @@ -2682,7 +2678,6 @@ static struct nilfs_sc_info *nilfs_segctor_new(struct nilfs_sb_info *sbi, if (!sci) return NULL; - sci->sc_sbi = sbi; sci->sc_super = sbi->s_super; nilfs_get_root(root); @@ -2717,7 +2712,7 @@ static void nilfs_segctor_write_out(struct nilfs_sc_info *sci) /* The segctord thread was stopped and its timer was removed. But some tasks remain. */ do { - struct nilfs_sb_info *sbi = sci->sc_sbi; + struct nilfs_sb_info *sbi = NILFS_SB(sci->sc_super); struct nilfs_transaction_info ti; nilfs_transaction_lock(sbi, &ti, 0); @@ -2737,7 +2732,7 @@ static void nilfs_segctor_write_out(struct nilfs_sc_info *sci) */ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci) { - struct the_nilfs *nilfs = sci->sc_sbi->s_nilfs; + struct the_nilfs *nilfs = NILFS_SB(sci->sc_super)->s_nilfs; int flag; up_write(&nilfs->ns_segctor_sem); diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h index cd8056e..9544aa9 100644 --- a/fs/nilfs2/segment.h +++ b/fs/nilfs2/segment.h @@ -88,7 +88,6 @@ struct nilfs_segsum_pointer { /** * struct nilfs_sc_info - Segment constructor information * @sc_super: Back pointer to super_block struct - * @sc_sbi: Back pointer to nilfs_sb_info struct * @sc_root: root object of the current filesystem tree * @sc_nblk_inc: Block count of current generation * @sc_dirty_files: List of files to be written @@ -131,7 +130,6 @@ struct nilfs_segsum_pointer { */ struct nilfs_sc_info { struct super_block *sc_super; - struct nilfs_sb_info *sc_sbi; struct nilfs_root *sc_root; unsigned long sc_nblk_inc; -- 1.7.3.5 -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
