1 files changed, 15 insertions, 1 deletions

diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 735ca06430ac..433783624d10 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -472,6 +472,7 @@ static void exofs_put_super(struct super_block *sb)
         _exofs_print_device("Unmounting", NULL, ore_comp_dev(&sbi->oc, 0),
                             sbi->one_comp.obj.partition);
 
+        exofs_sysfs_sb_del(sbi);
         bdi_destroy(&sbi->bdi);
         exofs_free_sbi(sbi);
         sb->s_fs_info = NULL;
@@ -632,6 +633,12 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,
         memcpy(&sbi->oc.ods[numdevs], &sbi->oc.ods[0],
                 (numdevs - 1) * sizeof(sbi->oc.ods[0]));
 
+        /* create sysfs subdir under which we put the device table
+         * And cluster layout. A Superblock is identified by the string:
+         *      "dev[0].osdname"_"pid"
+         */
+        exofs_sysfs_sb_add(sbi, &dt->dt_dev_table[0]);
+
         for (i = 0; i < numdevs; i++) {
                 struct exofs_fscb fscb;
                 struct osd_dev_info odi;
@@ -657,6 +664,7 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,
                         eds[i].ored.od = fscb_od;
                         ++sbi->oc.numdevs;
                         fscb_od = NULL;
+                        exofs_sysfs_odev_add(&eds[i], sbi);
                         continue;
                 }
 
@@ -682,6 +690,7 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,
                                   odi.osdname);
                         goto out;
                 }
+                exofs_sysfs_odev_add(&eds[i], sbi);
 
                 /* TODO: verify other information is correct and FS-uuid
                  *       matches. Benny what did you say about device table
@@ -745,7 +754,6 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
         sbi->one_comp.obj.partition = opts->pid;
         sbi->one_comp.obj.id = 0;
         exofs_make_credential(sbi->one_comp.cred, &sbi->one_comp.obj);
-        sbi->oc.numdevs = 1;
         sbi->oc.single_comp = EC_SINGLE_COMP;
         sbi->oc.comps = &sbi->one_comp;
 
@@ -804,6 +812,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
                         goto free_sbi;
 
                 ore_comp_set_dev(&sbi->oc, 0, od);
+                sbi->oc.numdevs = 1;
         }
 
         __sbi_read_stats(sbi);
@@ -844,6 +853,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
                 goto free_sbi;
         }
 
+        exofs_sysfs_dbg_print();
         _exofs_print_device("Mounting", opts->dev_name,
                             ore_comp_dev(&sbi->oc, 0),
                             sbi->one_comp.obj.partition);
@@ -1023,6 +1033,9 @@ static int __init init_exofs(void)
         if (err)
                 goto out_d;
 
+        /* We don't fail if sysfs creation failed */
+        exofs_sysfs_init();
+
         return 0;
 out_d:
         destroy_inodecache();
@@ -1032,6 +1045,7 @@ out:
 
 static void __exit exit_exofs(void)
 {
+        exofs_sysfs_uninit();
         unregister_filesystem(&exofs_type);
         destroy_inodecache();
 }