ore: Make ore its own module

Export everything from ore need exporting. Change Kbuild and Kconfig
to build ore.ko as an independent module. Import ore from exofs

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

3 files changed, 23 insertions, 1 deletions

diff --git a/fs/exofs/Kbuild b/fs/exofs/Kbuild
index c1af2217b087..c5a5855a6c44 100644
--- a/fs/exofs/Kbuild
+++ b/fs/exofs/Kbuild
@@ -12,5 +12,8 @@
 # Kbuild - Gets included from the Kernels Makefile and build system
 #
 
-exofs-y := ore.o inode.o file.o symlink.o namei.o dir.o super.o
+# ore module library
+obj-$(CONFIG_ORE) += ore.o
+
+exofs-y := inode.o file.o symlink.o namei.o dir.o super.o
 obj-$(CONFIG_EXOFS_FS) += exofs.o
diff --git a/fs/exofs/Kconfig b/fs/exofs/Kconfig
index 86194b2f799d..70bae4149291 100644
--- a/fs/exofs/Kconfig
+++ b/fs/exofs/Kconfig
@@ -1,6 +1,10 @@
+config ORE
+        tristate
+
 config EXOFS_FS
         tristate "exofs: OSD based file system support"
         depends on SCSI_OSD_ULD
+        select ORE
         help
           EXOFS is a file system that uses an OSD storage device,
           as its backing storage.
diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c
index 3a000084cd21..25305af88198 100644
--- a/fs/exofs/ore.c
+++ b/fs/exofs/ore.c
@@ -43,6 +43,10 @@
 #define ORE_DBGMSG2(M...) do {} while (0)
 /* #define ORE_DBGMSG2 ORE_DBGMSG */
 
+MODULE_AUTHOR("Boaz Harrosh <bharrosh@panasas.com>");
+MODULE_DESCRIPTION("Objects Raid Engine ore.ko");
+MODULE_LICENSE("GPL");
+
 static u8 *_ios_cred(struct ore_io_state *ios, unsigned index)
 {
         return ios->comps->comps[index & ios->comps->single_comp].cred;
@@ -84,12 +88,14 @@ int  ore_get_rw_state(struct ore_layout *layout, struct ore_components *comps,
         *pios = ios;
         return 0;
 }
+EXPORT_SYMBOL(ore_get_rw_state);
 
 int  ore_get_io_state(struct ore_layout *layout, struct ore_components *comps,
                       struct ore_io_state **ios)
 {
         return ore_get_rw_state(layout, comps, true, 0, 0, ios);
 }
+EXPORT_SYMBOL(ore_get_io_state);
 
 void ore_put_io_state(struct ore_io_state *ios)
 {
@@ -108,6 +114,7 @@ void ore_put_io_state(struct ore_io_state *ios)
                 kfree(ios);
         }
 }
+EXPORT_SYMBOL(ore_put_io_state);
 
 static void _sync_done(struct ore_io_state *ios, void *p)
 {
@@ -236,6 +243,7 @@ int ore_check_io(struct ore_io_state *ios, u64 *resid)
 
         return acumulated_lin_err;
 }
+EXPORT_SYMBOL(ore_check_io);
 
 /*
  * L - logical offset into the file
@@ -487,6 +495,7 @@ int ore_create(struct ore_io_state *ios)
 out:
         return ret;
 }
+EXPORT_SYMBOL(ore_create);
 
 int ore_remove(struct ore_io_state *ios)
 {
@@ -511,6 +520,7 @@ int ore_remove(struct ore_io_state *ios)
 out:
         return ret;
 }
+EXPORT_SYMBOL(ore_remove);
 
 static int _write_mirror(struct ore_io_state *ios, int cur_comp)
 {
@@ -617,6 +627,7 @@ int ore_write(struct ore_io_state *ios)
         ret = ore_io_execute(ios);
         return ret;
 }
+EXPORT_SYMBOL(ore_write);
 
 static int _read_mirror(struct ore_io_state *ios, unsigned cur_comp)
 {
@@ -685,6 +696,7 @@ int ore_read(struct ore_io_state *ios)
         ret = ore_io_execute(ios);
         return ret;
 }
+EXPORT_SYMBOL(ore_read);
 
 int extract_attr_from_ios(struct ore_io_state *ios, struct osd_attr *attr)
 {
@@ -706,6 +718,7 @@ int extract_attr_from_ios(struct ore_io_state *ios, struct osd_attr *attr)
 
         return -EIO;
 }
+EXPORT_SYMBOL(extract_attr_from_ios);
 
 static int _truncate_mirrors(struct ore_io_state *ios, unsigned cur_comp,
                              struct osd_attr *attr)
@@ -815,6 +828,8 @@ out:
         ore_put_io_state(ios);
         return ret;
 }
+EXPORT_SYMBOL(ore_truncate);
 
 const struct osd_attr g_attr_logical_length = ATTR_DEF(
         OSD_APAGE_OBJECT_INFORMATION, OSD_ATTR_OI_LOGICAL_LENGTH, 8);
+EXPORT_SYMBOL(g_attr_logical_length);