iomap: move struct iomap_page out of iomap.h (ab08b01e) · Commits · 戴 / test

fs/iomap/buffered-io.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,23 @@

		#include "../internal.h"

		/*
		* Structure allocated for each page when block size < PAGE_SIZE to track
		* sub-page uptodate status and I/O completions.
		*/
		struct iomap_page {
		atomic_t read_count;
		atomic_t write_count;
		DECLARE_BITMAP(uptodate, PAGE_SIZE / 512);
		};

		static inline struct iomap_page to_iomap_page(struct page page)
		{
		if (page_has_private(page))
		return (struct iomap_page *)page_private(page);
		return NULL;
		}

		static struct bio_set iomap_ioend_bioset;

		static struct iomap_page *

+0 −17

Original line number	Diff line number	Diff line
		@@ -136,23 +136,6 @@ loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length,
		unsigned flags, const struct iomap_ops ops, void data,
		iomap_actor_t actor);

		/*
		* Structure allocate for each page when block size < PAGE_SIZE to track
		* sub-page uptodate status and I/O completions.
		*/
		struct iomap_page {
		atomic_t read_count;
		atomic_t write_count;
		DECLARE_BITMAP(uptodate, PAGE_SIZE / 512);
		};

		static inline struct iomap_page to_iomap_page(struct page page)
		{
		if (page_has_private(page))
		return (struct iomap_page *)page_private(page);
		return NULL;
		}

		ssize_t iomap_file_buffered_write(struct kiocb iocb, struct iov_iter from,
		const struct iomap_ops *ops);
		int iomap_readpage(struct page page, const struct iomap_ops ops);