nilfs2: move iterator to write log into segment buffer
This moves iterator to submit write requests for a series of logs into
segbuf.c, and hides nilfs_segbuf_write() and nilfs_segbuf_wait() in
the file.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 645c786..ab56fe4 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -40,6 +40,11 @@
};
+static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
+ struct the_nilfs *nilfs);
+static int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf);
+
+
static struct kmem_cache *nilfs_segbuf_cachep;
static void nilfs_segbuf_init_once(void *obj)
@@ -302,6 +307,19 @@
}
}
+int nilfs_write_logs(struct list_head *logs, struct the_nilfs *nilfs)
+{
+ struct nilfs_segment_buffer *segbuf;
+ int ret = 0;
+
+ list_for_each_entry(segbuf, logs, sb_list) {
+ ret = nilfs_segbuf_write(segbuf, nilfs);
+ if (ret)
+ break;
+ }
+ return ret;
+}
+
int nilfs_wait_on_logs(struct list_head *logs)
{
struct nilfs_segment_buffer *segbuf;
diff --git a/fs/nilfs2/segbuf.h b/fs/nilfs2/segbuf.h
index 6af1630..94dfd35 100644
--- a/fs/nilfs2/segbuf.h
+++ b/fs/nilfs2/segbuf.h
@@ -166,13 +166,10 @@
segbuf->sb_sum.nfileblk++;
}
-int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
- struct the_nilfs *nilfs);
-int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf);
-
void nilfs_clear_logs(struct list_head *logs);
void nilfs_truncate_logs(struct list_head *logs,
struct nilfs_segment_buffer *last);
+int nilfs_write_logs(struct list_head *logs, struct the_nilfs *nilfs);
int nilfs_wait_on_logs(struct list_head *logs);
static inline void nilfs_destroy_logs(struct list_head *logs)
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index c4fcdd1..ada2f1b 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -1764,14 +1764,9 @@
static int nilfs_segctor_write(struct nilfs_sc_info *sci,
struct the_nilfs *nilfs)
{
- struct nilfs_segment_buffer *segbuf;
- int ret = 0;
+ int ret;
- list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) {
- ret = nilfs_segbuf_write(segbuf, nilfs);
- if (ret)
- break;
- }
+ ret = nilfs_write_logs(&sci->sc_segbufs, nilfs);
list_splice_tail_init(&sci->sc_segbufs, &sci->sc_write_logs);
return ret;
}