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Diffstat (limited to 'mm/page-writeback.c')
-rw-r--r--mm/page-writeback.c45
1 files changed, 20 insertions, 25 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 5f90fd6a7137..757bc4d3b5b5 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2990,26 +2990,23 @@ bool __folio_end_writeback(struct folio *folio)
if (mapping && mapping_use_writeback_tags(mapping)) {
struct inode *inode = mapping->host;
- struct backing_dev_info *bdi = inode_to_bdi(inode);
+ struct bdi_writeback *wb;
unsigned long flags;
xa_lock_irqsave(&mapping->i_pages, flags);
ret = folio_xor_flags_has_waiters(folio, 1 << PG_writeback);
__xa_clear_mark(&mapping->i_pages, folio->index,
PAGECACHE_TAG_WRITEBACK);
- if (bdi->capabilities & BDI_CAP_WRITEBACK_ACCT) {
- struct bdi_writeback *wb = inode_to_wb(inode);
- wb_stat_mod(wb, WB_WRITEBACK, -nr);
- __wb_writeout_add(wb, nr);
- if (!mapping_tagged(mapping, PAGECACHE_TAG_WRITEBACK))
- wb_inode_writeback_end(wb);
+ wb = inode_to_wb(inode);
+ wb_stat_mod(wb, WB_WRITEBACK, -nr);
+ __wb_writeout_add(wb, nr);
+ if (!mapping_tagged(mapping, PAGECACHE_TAG_WRITEBACK)) {
+ wb_inode_writeback_end(wb);
+ if (mapping->host)
+ sb_clear_inode_writeback(mapping->host);
}
- if (mapping->host && !mapping_tagged(mapping,
- PAGECACHE_TAG_WRITEBACK))
- sb_clear_inode_writeback(mapping->host);
-
xa_unlock_irqrestore(&mapping->i_pages, flags);
} else {
ret = folio_xor_flags_has_waiters(folio, 1 << PG_writeback);
@@ -3034,7 +3031,7 @@ void __folio_start_writeback(struct folio *folio, bool keep_write)
if (mapping && mapping_use_writeback_tags(mapping)) {
XA_STATE(xas, &mapping->i_pages, folio->index);
struct inode *inode = mapping->host;
- struct backing_dev_info *bdi = inode_to_bdi(inode);
+ struct bdi_writeback *wb;
unsigned long flags;
bool on_wblist;
@@ -3045,21 +3042,19 @@ void __folio_start_writeback(struct folio *folio, bool keep_write)
on_wblist = mapping_tagged(mapping, PAGECACHE_TAG_WRITEBACK);
xas_set_mark(&xas, PAGECACHE_TAG_WRITEBACK);
- if (bdi->capabilities & BDI_CAP_WRITEBACK_ACCT) {
- struct bdi_writeback *wb = inode_to_wb(inode);
-
- wb_stat_mod(wb, WB_WRITEBACK, nr);
- if (!on_wblist)
- wb_inode_writeback_start(wb);
+ wb = inode_to_wb(inode);
+ wb_stat_mod(wb, WB_WRITEBACK, nr);
+ if (!on_wblist) {
+ wb_inode_writeback_start(wb);
+ /*
+ * We can come through here when swapping anonymous
+ * folios, so we don't necessarily have an inode to
+ * track for sync.
+ */
+ if (mapping->host)
+ sb_mark_inode_writeback(mapping->host);
}
- /*
- * We can come through here when swapping anonymous
- * folios, so we don't necessarily have an inode to
- * track for sync.
- */
- if (mapping->host && !on_wblist)
- sb_mark_inode_writeback(mapping->host);
if (!folio_test_dirty(folio))
xas_clear_mark(&xas, PAGECACHE_TAG_DIRTY);
if (!keep_write)