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Diffstat (limited to 'include/linux/writeback.h')
-rw-r--r--include/linux/writeback.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 22dd4adc5667..f48e8ccffe81 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -189,11 +189,11 @@ void wakeup_flusher_threads_bdi(struct backing_dev_info *bdi,
void inode_wait_for_writeback(struct inode *inode);
void inode_io_list_del(struct inode *inode);
-/* writeback.h requires fs.h; it, too, is not included from here. */
-static inline void wait_on_inode(struct inode *inode)
+static inline xa_mark_t wbc_to_tag(struct writeback_control *wbc)
{
- wait_var_event(inode_state_wait_address(inode, __I_NEW),
- !(READ_ONCE(inode->i_state) & I_NEW));
+ if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages)
+ return PAGECACHE_TAG_TOWRITE;
+ return PAGECACHE_TAG_DIRTY;
}
#ifdef CONFIG_CGROUP_WRITEBACK
@@ -234,7 +234,7 @@ static inline void inode_attach_wb(struct inode *inode, struct folio *folio)
static inline void inode_detach_wb(struct inode *inode)
{
if (inode->i_wb) {
- WARN_ON_ONCE(!(inode->i_state & I_CLEAR));
+ WARN_ON_ONCE(!(inode_state_read_once(inode) & I_CLEAR));
wb_put(inode->i_wb);
inode->i_wb = NULL;
}
@@ -374,4 +374,9 @@ bool redirty_page_for_writepage(struct writeback_control *, struct page *);
void sb_mark_inode_writeback(struct inode *inode);
void sb_clear_inode_writeback(struct inode *inode);
+/*
+ * 4MB minimal write chunk size
+ */
+#define MIN_WRITEBACK_PAGES (4096UL >> (PAGE_SHIFT - 10))
+
#endif /* WRITEBACK_H */