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-rw-r--r--fs/nilfs2/segment.c158
1 files changed, 80 insertions, 78 deletions
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 55e31cc903d1..2590a0860eab 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -1665,39 +1665,39 @@ static int nilfs_segctor_assign(struct nilfs_sc_info *sci, int mode)
return 0;
}
-static void nilfs_begin_page_io(struct page *page)
+static void nilfs_begin_folio_io(struct folio *folio)
{
- if (!page || PageWriteback(page))
+ if (!folio || folio_test_writeback(folio))
/*
* For split b-tree node pages, this function may be called
* twice. We ignore the 2nd or later calls by this check.
*/
return;
- lock_page(page);
- clear_page_dirty_for_io(page);
- set_page_writeback(page);
- unlock_page(page);
+ folio_lock(folio);
+ folio_clear_dirty_for_io(folio);
+ folio_start_writeback(folio);
+ folio_unlock(folio);
}
static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
{
struct nilfs_segment_buffer *segbuf;
- struct page *bd_page = NULL, *fs_page = NULL;
+ struct folio *bd_folio = NULL, *fs_folio = NULL;
list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) {
struct buffer_head *bh;
list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
b_assoc_buffers) {
- if (bh->b_page != bd_page) {
- if (bd_page) {
- lock_page(bd_page);
- clear_page_dirty_for_io(bd_page);
- set_page_writeback(bd_page);
- unlock_page(bd_page);
+ if (bh->b_folio != bd_folio) {
+ if (bd_folio) {
+ folio_lock(bd_folio);
+ folio_clear_dirty_for_io(bd_folio);
+ folio_start_writeback(bd_folio);
+ folio_unlock(bd_folio);
}
- bd_page = bh->b_page;
+ bd_folio = bh->b_folio;
}
}
@@ -1705,28 +1705,28 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
b_assoc_buffers) {
set_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
- if (bh->b_page != bd_page) {
- lock_page(bd_page);
- clear_page_dirty_for_io(bd_page);
- set_page_writeback(bd_page);
- unlock_page(bd_page);
- bd_page = bh->b_page;
+ if (bh->b_folio != bd_folio) {
+ folio_lock(bd_folio);
+ folio_clear_dirty_for_io(bd_folio);
+ folio_start_writeback(bd_folio);
+ folio_unlock(bd_folio);
+ bd_folio = bh->b_folio;
}
break;
}
- if (bh->b_page != fs_page) {
- nilfs_begin_page_io(fs_page);
- fs_page = bh->b_page;
+ if (bh->b_folio != fs_folio) {
+ nilfs_begin_folio_io(fs_folio);
+ fs_folio = bh->b_folio;
}
}
}
- if (bd_page) {
- lock_page(bd_page);
- clear_page_dirty_for_io(bd_page);
- set_page_writeback(bd_page);
- unlock_page(bd_page);
+ if (bd_folio) {
+ folio_lock(bd_folio);
+ folio_clear_dirty_for_io(bd_folio);
+ folio_start_writeback(bd_folio);
+ folio_unlock(bd_folio);
}
- nilfs_begin_page_io(fs_page);
+ nilfs_begin_folio_io(fs_folio);
}
static int nilfs_segctor_write(struct nilfs_sc_info *sci,
@@ -1739,17 +1739,18 @@ static int nilfs_segctor_write(struct nilfs_sc_info *sci,
return ret;
}
-static void nilfs_end_page_io(struct page *page, int err)
+static void nilfs_end_folio_io(struct folio *folio, int err)
{
- if (!page)
+ if (!folio)
return;
- if (buffer_nilfs_node(page_buffers(page)) && !PageWriteback(page)) {
+ if (buffer_nilfs_node(folio_buffers(folio)) &&
+ !folio_test_writeback(folio)) {
/*
* For b-tree node pages, this function may be called twice
* or more because they might be split in a segment.
*/
- if (PageDirty(page)) {
+ if (folio_test_dirty(folio)) {
/*
* For pages holding split b-tree node buffers, dirty
* flag on the buffers may be cleared discretely.
@@ -1757,30 +1758,30 @@ static void nilfs_end_page_io(struct page *page, int err)
* remaining buffers, and it must be cancelled if
* all the buffers get cleaned later.
*/
- lock_page(page);
- if (nilfs_page_buffers_clean(page))
- __nilfs_clear_page_dirty(page);
- unlock_page(page);
+ folio_lock(folio);
+ if (nilfs_folio_buffers_clean(folio))
+ __nilfs_clear_folio_dirty(folio);
+ folio_unlock(folio);
}
return;
}
if (!err) {
- if (!nilfs_page_buffers_clean(page))
- __set_page_dirty_nobuffers(page);
- ClearPageError(page);
+ if (!nilfs_folio_buffers_clean(folio))
+ filemap_dirty_folio(folio->mapping, folio);
+ folio_clear_error(folio);
} else {
- __set_page_dirty_nobuffers(page);
- SetPageError(page);
+ filemap_dirty_folio(folio->mapping, folio);
+ folio_set_error(folio);
}
- end_page_writeback(page);
+ folio_end_writeback(folio);
}
static void nilfs_abort_logs(struct list_head *logs, int err)
{
struct nilfs_segment_buffer *segbuf;
- struct page *bd_page = NULL, *fs_page = NULL;
+ struct folio *bd_folio = NULL, *fs_folio = NULL;
struct buffer_head *bh;
if (list_empty(logs))
@@ -1790,10 +1791,10 @@ static void nilfs_abort_logs(struct list_head *logs, int err)
list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
b_assoc_buffers) {
clear_buffer_uptodate(bh);
- if (bh->b_page != bd_page) {
- if (bd_page)
- end_page_writeback(bd_page);
- bd_page = bh->b_page;
+ if (bh->b_folio != bd_folio) {
+ if (bd_folio)
+ folio_end_writeback(bd_folio);
+ bd_folio = bh->b_folio;
}
}
@@ -1802,22 +1803,22 @@ static void nilfs_abort_logs(struct list_head *logs, int err)
clear_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
clear_buffer_uptodate(bh);
- if (bh->b_page != bd_page) {
- end_page_writeback(bd_page);
- bd_page = bh->b_page;
+ if (bh->b_folio != bd_folio) {
+ folio_end_writeback(bd_folio);
+ bd_folio = bh->b_folio;
}
break;
}
- if (bh->b_page != fs_page) {
- nilfs_end_page_io(fs_page, err);
- fs_page = bh->b_page;
+ if (bh->b_folio != fs_folio) {
+ nilfs_end_folio_io(fs_folio, err);
+ fs_folio = bh->b_folio;
}
}
}
- if (bd_page)
- end_page_writeback(bd_page);
+ if (bd_folio)
+ folio_end_writeback(bd_folio);
- nilfs_end_page_io(fs_page, err);
+ nilfs_end_folio_io(fs_folio, err);
}
static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci,
@@ -1859,7 +1860,7 @@ static void nilfs_set_next_segment(struct the_nilfs *nilfs,
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 folio *bd_folio = NULL, *fs_folio = NULL;
struct the_nilfs *nilfs = sci->sc_super->s_fs_info;
int update_sr = false;
@@ -1870,21 +1871,21 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
b_assoc_buffers) {
set_buffer_uptodate(bh);
clear_buffer_dirty(bh);
- if (bh->b_page != bd_page) {
- if (bd_page)
- end_page_writeback(bd_page);
- bd_page = bh->b_page;
+ if (bh->b_folio != bd_folio) {
+ if (bd_folio)
+ folio_end_writeback(bd_folio);
+ bd_folio = bh->b_folio;
}
}
/*
- * We assume that the buffers which belong to the same page
+ * We assume that the buffers which belong to the same folio
* continue over the buffer list.
- * Under this assumption, the last BHs of pages is
- * identifiable by the discontinuity of bh->b_page
- * (page != fs_page).
+ * Under this assumption, the last BHs of folios is
+ * identifiable by the discontinuity of bh->b_folio
+ * (folio != fs_folio).
*
* For B-tree node blocks, however, this assumption is not
- * guaranteed. The cleanup code of B-tree node pages needs
+ * guaranteed. The cleanup code of B-tree node folios needs
* special care.
*/
list_for_each_entry(bh, &segbuf->sb_payload_buffers,
@@ -1897,16 +1898,16 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
set_mask_bits(&bh->b_state, clear_bits, set_bits);
if (bh == segbuf->sb_super_root) {
- if (bh->b_page != bd_page) {
- end_page_writeback(bd_page);
- bd_page = bh->b_page;
+ if (bh->b_folio != bd_folio) {
+ folio_end_writeback(bd_folio);
+ bd_folio = bh->b_folio;
}
update_sr = true;
break;
}
- if (bh->b_page != fs_page) {
- nilfs_end_page_io(fs_page, 0);
- fs_page = bh->b_page;
+ if (bh->b_folio != fs_folio) {
+ nilfs_end_folio_io(fs_folio, 0);
+ fs_folio = bh->b_folio;
}
}
@@ -1920,13 +1921,13 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
}
}
/*
- * Since pages may continue over multiple segment buffers,
- * end of the last page must be checked outside of the loop.
+ * Since folios may continue over multiple segment buffers,
+ * end of the last folio must be checked outside of the loop.
*/
- if (bd_page)
- end_page_writeback(bd_page);
+ if (bd_folio)
+ folio_end_writeback(bd_folio);
- nilfs_end_page_io(fs_page, 0);
+ nilfs_end_folio_io(fs_folio, 0);
nilfs_drop_collected_inodes(&sci->sc_dirty_files);
@@ -2587,6 +2588,7 @@ static int nilfs_segctor_thread(void *arg)
"segctord starting. Construction interval = %lu seconds, CP frequency < %lu seconds",
sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ);
+ set_freezable();
spin_lock(&sci->sc_state_lock);
loop:
for (;;) {
generated by cgit (git 2.34.1) at 2024-05-28 04:13:37 +0000