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Diffstat (limited to 'fs/nilfs2/segment.c')
-rw-r--r--fs/nilfs2/segment.c61
1 files changed, 30 insertions, 31 deletions
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index e78b68a81aec..bedcae2c28e6 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -150,7 +150,8 @@ static void nilfs_dispose_list(struct the_nilfs *, struct list_head *, int);
#define nilfs_cnt32_lt(a, b) nilfs_cnt32_gt(b, a)
#define nilfs_cnt32_le(a, b) nilfs_cnt32_ge(b, a)
-static int nilfs_prepare_segment_lock(struct nilfs_transaction_info *ti)
+static int nilfs_prepare_segment_lock(struct super_block *sb,
+ struct nilfs_transaction_info *ti)
{
struct nilfs_transaction_info *cur_ti = current->journal_info;
void *save = NULL;
@@ -164,8 +165,7 @@ static int nilfs_prepare_segment_lock(struct nilfs_transaction_info *ti)
* it is saved and will be restored on
* nilfs_transaction_commit().
*/
- printk(KERN_WARNING
- "NILFS warning: journal info from a different FS\n");
+ nilfs_msg(sb, KERN_WARNING, "journal info from a different FS");
save = current->journal_info;
}
if (!ti) {
@@ -215,7 +215,7 @@ int nilfs_transaction_begin(struct super_block *sb,
int vacancy_check)
{
struct the_nilfs *nilfs;
- int ret = nilfs_prepare_segment_lock(ti);
+ int ret = nilfs_prepare_segment_lock(sb, ti);
struct nilfs_transaction_info *trace_ti;
if (unlikely(ret < 0))
@@ -373,7 +373,7 @@ static void nilfs_transaction_lock(struct super_block *sb,
nilfs_segctor_do_immediate_flush(sci);
up_write(&nilfs->ns_segctor_sem);
- yield();
+ cond_resched();
}
if (gcflag)
ti->ti_flags |= NILFS_TI_GC;
@@ -1858,11 +1858,11 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
*/
list_for_each_entry(bh, &segbuf->sb_payload_buffers,
b_assoc_buffers) {
- const unsigned long set_bits = (1 << BH_Uptodate);
+ const unsigned long set_bits = BIT(BH_Uptodate);
const unsigned long clear_bits =
- (1 << BH_Dirty | 1 << BH_Async_Write |
- 1 << BH_Delay | 1 << BH_NILFS_Volatile |
- 1 << BH_NILFS_Redirected);
+ (BIT(BH_Dirty) | BIT(BH_Async_Write) |
+ BIT(BH_Delay) | BIT(BH_NILFS_Volatile) |
+ BIT(BH_NILFS_Redirected));
set_mask_bits(&bh->b_state, clear_bits, set_bits);
if (bh == segbuf->sb_super_root) {
@@ -1951,8 +1951,9 @@ static int nilfs_segctor_collect_dirty_files(struct nilfs_sc_info *sci,
err = nilfs_ifile_get_inode_block(
ifile, ii->vfs_inode.i_ino, &ibh);
if (unlikely(err)) {
- nilfs_warning(sci->sc_super, __func__,
- "failed to get inode block.");
+ nilfs_msg(sci->sc_super, KERN_WARNING,
+ "log writer: error %d getting inode block (ino=%lu)",
+ err, ii->vfs_inode.i_ino);
return err;
}
mark_buffer_dirty(ibh);
@@ -2131,10 +2132,10 @@ static void nilfs_segctor_start_timer(struct nilfs_sc_info *sci)
static void nilfs_segctor_do_flush(struct nilfs_sc_info *sci, int bn)
{
spin_lock(&sci->sc_state_lock);
- if (!(sci->sc_flush_request & (1 << bn))) {
+ if (!(sci->sc_flush_request & BIT(bn))) {
unsigned long prev_req = sci->sc_flush_request;
- sci->sc_flush_request |= (1 << bn);
+ sci->sc_flush_request |= BIT(bn);
if (!prev_req)
wake_up(&sci->sc_wait_daemon);
}
@@ -2318,7 +2319,7 @@ int nilfs_construct_dsync_segment(struct super_block *sb, struct inode *inode,
}
#define FLUSH_FILE_BIT (0x1) /* data file only */
-#define FLUSH_DAT_BIT (1 << NILFS_DAT_INO) /* DAT only */
+#define FLUSH_DAT_BIT BIT(NILFS_DAT_INO) /* DAT only */
/**
* nilfs_segctor_accept - record accepted sequence count of log-write requests
@@ -2458,8 +2459,7 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv,
if (likely(!err))
break;
- nilfs_warning(sb, __func__,
- "segment construction failed. (err=%d)", err);
+ nilfs_msg(sb, KERN_WARNING, "error %d cleaning segments", err);
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(sci->sc_interval);
}
@@ -2467,9 +2467,9 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv,
int ret = nilfs_discard_segments(nilfs, sci->sc_freesegs,
sci->sc_nfreesegs);
if (ret) {
- printk(KERN_WARNING
- "NILFS warning: error %d on discard request, "
- "turning discards off for the device\n", ret);
+ nilfs_msg(sb, KERN_WARNING,
+ "error %d on discard request, turning discards off for the device",
+ ret);
nilfs_clear_opt(nilfs, DISCARD);
}
}
@@ -2551,10 +2551,9 @@ static int nilfs_segctor_thread(void *arg)
/* start sync. */
sci->sc_task = current;
wake_up(&sci->sc_wait_task); /* for nilfs_segctor_start_thread() */
- printk(KERN_INFO
- "segctord starting. Construction interval = %lu seconds, "
- "CP frequency < %lu seconds\n",
- sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ);
+ nilfs_msg(sci->sc_super, KERN_INFO,
+ "segctord starting. Construction interval = %lu seconds, CP frequency < %lu seconds",
+ sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ);
spin_lock(&sci->sc_state_lock);
loop:
@@ -2628,8 +2627,8 @@ static int nilfs_segctor_start_thread(struct nilfs_sc_info *sci)
if (IS_ERR(t)) {
int err = PTR_ERR(t);
- printk(KERN_ERR "NILFS: error %d creating segctord thread\n",
- err);
+ nilfs_msg(sci->sc_super, KERN_ERR,
+ "error %d creating segctord thread", err);
return err;
}
wait_event(sci->sc_wait_task, sci->sc_task != NULL);
@@ -2739,14 +2738,14 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci)
nilfs_segctor_write_out(sci);
if (!list_empty(&sci->sc_dirty_files)) {
- nilfs_warning(sci->sc_super, __func__,
- "dirty file(s) after the final construction");
+ nilfs_msg(sci->sc_super, KERN_WARNING,
+ "disposed unprocessed dirty file(s) when stopping log writer");
nilfs_dispose_list(nilfs, &sci->sc_dirty_files, 1);
}
if (!list_empty(&sci->sc_iput_queue)) {
- nilfs_warning(sci->sc_super, __func__,
- "iput queue is not empty");
+ nilfs_msg(sci->sc_super, KERN_WARNING,
+ "disposed unprocessed inode(s) in iput queue when stopping log writer");
nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 1);
}
@@ -2822,8 +2821,8 @@ void nilfs_detach_log_writer(struct super_block *sb)
spin_lock(&nilfs->ns_inode_lock);
if (!list_empty(&nilfs->ns_dirty_files)) {
list_splice_init(&nilfs->ns_dirty_files, &garbage_list);
- nilfs_warning(sb, __func__,
- "Hit dirty file after stopped log writer");
+ nilfs_msg(sb, KERN_WARNING,
+ "disposed unprocessed dirty file(s) when detaching log writer");
}
spin_unlock(&nilfs->ns_inode_lock);
up_write(&nilfs->ns_segctor_sem);