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-rw-r--r--include/linux/iomap.h22
1 files changed, 9 insertions, 13 deletions
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index b65d3f063bb0..80f543cc4fe8 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -101,8 +101,6 @@ struct vm_fault;
*/
#define IOMAP_NULL_ADDR -1ULL /* addr is not valid */
-struct iomap_folio_ops;
-
struct iomap {
u64 addr; /* disk offset of mapping, bytes */
loff_t offset; /* file offset of mapping, bytes */
@@ -113,7 +111,6 @@ struct iomap {
struct dax_device *dax_dev; /* dax_dev for dax operations */
void *inline_data;
void *private; /* filesystem private */
- const struct iomap_folio_ops *folio_ops;
u64 validity_cookie; /* used with .iomap_valid() */
};
@@ -143,16 +140,11 @@ static inline bool iomap_inline_data_valid(const struct iomap *iomap)
}
/*
- * When a filesystem sets folio_ops in an iomap mapping it returns, get_folio
- * and put_folio will be called for each folio written to. This only applies
- * to buffered writes as unbuffered writes will not typically have folios
- * associated with them.
- *
* When get_folio succeeds, put_folio will always be called to do any
* cleanup work necessary. put_folio is responsible for unlocking and putting
* @folio.
*/
-struct iomap_folio_ops {
+struct iomap_write_ops {
struct folio *(*get_folio)(struct iomap_iter *iter, loff_t pos,
unsigned len);
void (*put_folio)(struct inode *inode, loff_t pos, unsigned copied,
@@ -335,7 +327,8 @@ static inline bool iomap_want_unshare_iter(const struct iomap_iter *iter)
}
ssize_t iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *from,
- const struct iomap_ops *ops, void *private);
+ const struct iomap_ops *ops,
+ const struct iomap_write_ops *write_ops, void *private);
int iomap_read_folio(struct folio *folio, const struct iomap_ops *ops);
void iomap_readahead(struct readahead_control *, const struct iomap_ops *ops);
bool iomap_is_partially_uptodate(struct folio *, size_t from, size_t count);
@@ -344,11 +337,14 @@ bool iomap_release_folio(struct folio *folio, gfp_t gfp_flags);
void iomap_invalidate_folio(struct folio *folio, size_t offset, size_t len);
bool iomap_dirty_folio(struct address_space *mapping, struct folio *folio);
int iomap_file_unshare(struct inode *inode, loff_t pos, loff_t len,
- const struct iomap_ops *ops);
+ const struct iomap_ops *ops,
+ const struct iomap_write_ops *write_ops);
int iomap_zero_range(struct inode *inode, loff_t pos, loff_t len,
- bool *did_zero, const struct iomap_ops *ops, void *private);
+ bool *did_zero, const struct iomap_ops *ops,
+ const struct iomap_write_ops *write_ops, void *private);
int iomap_truncate_page(struct inode *inode, loff_t pos, bool *did_zero,
- const struct iomap_ops *ops, void *private);
+ const struct iomap_ops *ops,
+ const struct iomap_write_ops *write_ops, void *private);
vm_fault_t iomap_page_mkwrite(struct vm_fault *vmf, const struct iomap_ops *ops,
void *private);
typedef void (*iomap_punch_t)(struct inode *inode, loff_t offset, loff_t length,