exofs: Add offset/length to exofs_get_io_state

[deliverable/linux.git] / fs / exofs / exofs.h

diff --git a/fs/exofs/exofs.h b/fs/exofs/exofs.h
index 9f62349a5a5c7a240d560310ad04ec9573919116..fd913ddfd48b505bd3208877ccfc7c0d03fc3d2e 100644 (file)
--- a/fs/exofs/exofs.h
+++ b/fs/exofs/exofs.h
@@ -109,7 +109,7 @@ static inline osd_id exofs_oi_objno(struct exofs_i_info *oi)
 }
 
 struct exofs_io_state;
-typedef void (*exofs_io_done_fn)(struct exofs_io_state *or, void *private);
+typedef void (*exofs_io_done_fn)(struct exofs_io_state *ios, void *private);
 
 struct exofs_io_state {
        struct kref             kref;
@@ -137,6 +137,8 @@ struct exofs_io_state {
        unsigned                out_attr_len;
        struct osd_attr         *out_attr;
 
+       bool                    reading;
+
        /* Variable array of size numdevs */
        unsigned numdevs;
        struct exofs_per_dev_state {
@@ -218,6 +220,8 @@ void exofs_make_credential(u8 cred_a[OSD_CAP_LEN],
 int exofs_read_kern(struct osd_dev *od, u8 *cred, struct osd_obj_id *obj,
                    u64 offset, void *p, unsigned length);
 
+int  exofs_get_rw_state(struct exofs_layout *layout, bool is_reading,
+                       u64 offset, u64 length, struct exofs_io_state **ios);
 int  exofs_get_io_state(struct exofs_layout *layout,
                        struct exofs_io_state **ios);
 void exofs_put_io_state(struct exofs_io_state *ios);