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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2011-03-09 11:05:08 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2011-03-09 11:05:08 +0900
commitd96bbfa28aa7a1d5a5bf549026a594d7a273c5d7 (patch)
treeda846510626ba9d2182790201db49aaba35dbdf3 /fs/nilfs2/segment.c
parent3fd3fe5aeaa171a5638d2bb54a1a170eab7b7cdc (diff)
downloadlinux-stericsson-d96bbfa28aa7a1d5a5bf549026a594d7a273c5d7.tar.gz
nilfs2: get rid of sc_sbi back pointer
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 <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/segment.c')
-rw-r--r--fs/nilfs2/segment.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index e3d1785faf1b..b14788ec0d15 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);