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Diffstat (limited to 'fs/xfs/xfs_buf.h')
-rw-r--r--fs/xfs/xfs_buf.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 7b01df6dcd50..73249abca968 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -109,6 +109,7 @@ struct xfs_buftarg {
struct bdev_handle *bt_bdev_handle;
struct block_device *bt_bdev;
struct dax_device *bt_daxdev;
+ struct file *bt_file;
u64 bt_dax_part_off;
struct xfs_mount *bt_mount;
unsigned int bt_meta_sectorsize;
@@ -122,6 +123,9 @@ struct xfs_buftarg {
struct percpu_counter bt_io_count;
struct ratelimit_state bt_ioerror_rl;
+
+ /* built-in cache, if we're not using the perag one */
+ struct xfs_buf_cache bt_cache[];
};
#define XB_PAGES 2
@@ -387,4 +391,9 @@ int xfs_buf_reverify(struct xfs_buf *bp, const struct xfs_buf_ops *ops);
bool xfs_verify_magic(struct xfs_buf *bp, __be32 dmagic);
bool xfs_verify_magic16(struct xfs_buf *bp, __be16 dmagic);
+/* for xfs_buf_mem.c only: */
+int xfs_init_buftarg(struct xfs_buftarg *btp, size_t logical_sectorsize,
+ const char *descr);
+void xfs_destroy_buftarg(struct xfs_buftarg *btp);
+
#endif /* __XFS_BUF_H__ */