exofs: Move exofs specific osd operations out of ios.c

ios.c will be moving to an external library, for use by the
objects-layout-driver. Remove from it some exofs specific functions.

Also g_attr_logical_length is used both by inode.c and ios.c
move definition to the later, to keep it independent

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>

1 files changed, 3 insertions, 61 deletions

diff --git a/fs/exofs/ios.c b/fs/exofs/ios.c
index 096405e51b9..21d6130b462 100644
--- a/fs/exofs/ios.c
+++ b/fs/exofs/ios.c
@@ -31,44 +31,6 @@
 #define EXOFS_DBGMSG2(M...) do {} while (0)
 /* #define EXOFS_DBGMSG2 EXOFS_DBGMSG */
 
-void exofs_make_credential(u8 cred_a[OSD_CAP_LEN], const struct osd_obj_id *obj)
-{
-        osd_sec_init_nosec_doall_caps(cred_a, obj, false, true);
-}
-
-int exofs_read_kern(struct osd_dev *od, u8 *cred, struct osd_obj_id *obj,
-                    u64 offset, void *p, unsigned length)
-{
-        struct osd_request *or = osd_start_request(od, GFP_KERNEL);
-/*      struct osd_sense_info osi = {.key = 0};*/
-        int ret;
-
-        if (unlikely(!or)) {
-                EXOFS_DBGMSG("%s: osd_start_request failed.\n", __func__);
-                return -ENOMEM;
-        }
-        ret = osd_req_read_kern(or, obj, offset, p, length);
-        if (unlikely(ret)) {
-                EXOFS_DBGMSG("%s: osd_req_read_kern failed.\n", __func__);
-                goto out;
-        }
-
-        ret = osd_finalize_request(or, 0, cred, NULL);
-        if (unlikely(ret)) {
-                EXOFS_DBGMSG("Failed to osd_finalize_request() => %d\n", ret);
-                goto out;
-        }
-
-        ret = osd_execute_request(or);
-        if (unlikely(ret))
-                EXOFS_DBGMSG("osd_execute_request() => %d\n", ret);
-        /* osd_req_decode_sense(or, ret); */
-
-out:
-        osd_end_request(or);
-        return ret;
-}
-
 int  exofs_get_rw_state(struct exofs_layout *layout, bool is_reading,
                         u64 offset, u64 length, struct exofs_io_state **pios)
 {
@@ -119,29 +81,6 @@ void exofs_put_io_state(struct exofs_io_state *ios)
         }
 }
 
-unsigned exofs_layout_od_id(struct exofs_layout *layout,
-                            osd_id obj_no, unsigned layout_index)
-{
-/*      switch (layout->lay_func) {
-        case LAYOUT_MOVING_WINDOW:
-        {*/
-                unsigned dev_mod = obj_no;
-
-                return (layout_index + dev_mod * layout->mirrors_p1) %
-                                                              layout->s_numdevs;
-/*      }
-        case LAYOUT_FUNC_IMPLICT:
-                return layout->devs[layout_index];
-        }*/
-}
-
-static inline struct osd_dev *exofs_ios_od(struct exofs_io_state *ios,
-                                           unsigned layout_index)
-{
-        return ios->layout->s_ods[
-                exofs_layout_od_id(ios->layout, ios->obj.id, layout_index)];
-}
-
 static void _sync_done(struct exofs_io_state *ios, void *p)
 {
         struct completion *waiting = p;
@@ -844,3 +783,6 @@ out:
         exofs_put_io_state(ios);
         return ret;
 }
+
+const struct osd_attr g_attr_logical_length = ATTR_DEF(
+        OSD_APAGE_OBJECT_INFORMATION, OSD_ATTR_OI_LOGICAL_LENGTH, 8);