nilfs2: move routine to set segment usage into sufile
This adds nilfs_sufile_set_segment_usage() function in sufile to
replace direct access to the sufile metadata in log writer code.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 3ae4a38..097f9c4 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -1457,21 +1457,16 @@
struct inode *sufile)
{
struct nilfs_segment_buffer *segbuf;
- struct buffer_head *bh_su;
- struct nilfs_segment_usage *raw_su;
unsigned long live_blocks;
int ret;
list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) {
- ret = nilfs_sufile_get_segment_usage(sufile, segbuf->sb_segnum,
- &raw_su, &bh_su);
- WARN_ON(ret); /* always succeed because bh_su is dirty */
live_blocks = segbuf->sb_sum.nblocks +
(segbuf->sb_pseg_start - segbuf->sb_fseg_start);
- raw_su->su_lastmod = cpu_to_le64(sci->sc_seg_ctime);
- raw_su->su_nblocks = cpu_to_le32(live_blocks);
- nilfs_sufile_put_segment_usage(sufile, segbuf->sb_segnum,
- bh_su);
+ ret = nilfs_sufile_set_segment_usage(sufile, segbuf->sb_segnum,
+ live_blocks,
+ sci->sc_seg_ctime);
+ WARN_ON(ret); /* always succeed because the segusage is dirty */
}
}
@@ -1479,25 +1474,18 @@
struct inode *sufile)
{
struct nilfs_segment_buffer *segbuf;
- struct buffer_head *bh_su;
- struct nilfs_segment_usage *raw_su;
int ret;
segbuf = NILFS_FIRST_SEGBUF(&sci->sc_segbufs);
- ret = nilfs_sufile_get_segment_usage(sufile, segbuf->sb_segnum,
- &raw_su, &bh_su);
- WARN_ON(ret); /* always succeed because bh_su is dirty */
- raw_su->su_nblocks = cpu_to_le32(segbuf->sb_pseg_start -
- segbuf->sb_fseg_start);
- nilfs_sufile_put_segment_usage(sufile, segbuf->sb_segnum, bh_su);
+ ret = nilfs_sufile_set_segment_usage(sufile, segbuf->sb_segnum,
+ segbuf->sb_pseg_start -
+ segbuf->sb_fseg_start, 0);
+ WARN_ON(ret); /* always succeed because the segusage is dirty */
list_for_each_entry_continue(segbuf, &sci->sc_segbufs, sb_list) {
- ret = nilfs_sufile_get_segment_usage(sufile, segbuf->sb_segnum,
- &raw_su, &bh_su);
+ ret = nilfs_sufile_set_segment_usage(sufile, segbuf->sb_segnum,
+ 0, 0);
WARN_ON(ret); /* always succeed */
- raw_su->su_nblocks = 0;
- nilfs_sufile_put_segment_usage(sufile, segbuf->sb_segnum,
- bh_su);
}
}