exofs: Rename raid engine from exofs/ios.c => ore

ORE stands for "Objects Raid Engine"

This patch is a mechanical rename of everything that was in ios.c
and its API declaration to an ore.c and an osd_ore.h header. The ore
engine will later be used by the pnfs objects layout driver.

* File ios.c => ore.c

* Declaration of types and API are moved from exofs.h to a new
  osd_ore.h

* All used types are prefixed by ore_ from their exofs_ name.

* Shift includes from exofs.h to osd_ore.h so osd_ore.h is
  independent, include it from exofs.h.

Other than a pure rename there are no other changes. Next patch
will move the ore into it's own module and will export the API
to be used by exofs and later the layout driver

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

1 files changed, 28 insertions, 28 deletions

diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 4d6877967c87..274894053b02 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -263,19 +263,19 @@ static int __sbi_read_stats(struct exofs_sb_info *sbi)
         struct osd_attr attrs[] = {
                 [0] = g_attr_sb_stats,
         };
-        struct exofs_io_state *ios;
+        struct ore_io_state *ios;
         int ret;
 
-        ret = exofs_get_io_state(&sbi->layout, &sbi->comps, &ios);
+        ret = ore_get_io_state(&sbi->layout, &sbi->comps, &ios);
         if (unlikely(ret)) {
-                EXOFS_ERR("%s: exofs_get_io_state failed.\n", __func__);
+                EXOFS_ERR("%s: ore_get_io_state failed.\n", __func__);
                 return ret;
         }
 
         ios->in_attr = attrs;
         ios->in_attr_len = ARRAY_SIZE(attrs);
 
-        ret = exofs_sbi_read(ios);
+        ret = ore_read(ios);
         if (unlikely(ret)) {
                 EXOFS_ERR("Error reading super_block stats => %d\n", ret);
                 goto out;
@@ -302,13 +302,13 @@ static int __sbi_read_stats(struct exofs_sb_info *sbi)
         }
 
 out:
-        exofs_put_io_state(ios);
+        ore_put_io_state(ios);
         return ret;
 }
 
-static void stats_done(struct exofs_io_state *ios, void *p)
+static void stats_done(struct ore_io_state *ios, void *p)
 {
-        exofs_put_io_state(ios);
+        ore_put_io_state(ios);
         /* Good thanks nothing to do anymore */
 }
 
@@ -318,12 +318,12 @@ int exofs_sbi_write_stats(struct exofs_sb_info *sbi)
         struct osd_attr attrs[] = {
                 [0] = g_attr_sb_stats,
         };
-        struct exofs_io_state *ios;
+        struct ore_io_state *ios;
         int ret;
 
-        ret = exofs_get_io_state(&sbi->layout, &sbi->comps, &ios);
+        ret = ore_get_io_state(&sbi->layout, &sbi->comps, &ios);
         if (unlikely(ret)) {
-                EXOFS_ERR("%s: exofs_get_io_state failed.\n", __func__);
+                EXOFS_ERR("%s: ore_get_io_state failed.\n", __func__);
                 return ret;
         }
 
@@ -337,10 +337,10 @@ int exofs_sbi_write_stats(struct exofs_sb_info *sbi)
         ios->out_attr = attrs;
         ios->out_attr_len = ARRAY_SIZE(attrs);
 
-        ret = exofs_sbi_write(ios);
+        ret = ore_write(ios);
         if (unlikely(ret)) {
-                EXOFS_ERR("%s: exofs_sbi_write failed.\n", __func__);
-                exofs_put_io_state(ios);
+                EXOFS_ERR("%s: ore_write failed.\n", __func__);
+                ore_put_io_state(ios);
         }
 
         return ret;
@@ -359,9 +359,9 @@ int exofs_sync_fs(struct super_block *sb, int wait)
 {
         struct exofs_sb_info *sbi;
         struct exofs_fscb *fscb;
-        struct exofs_comp one_comp;
-        struct exofs_components comps;
-        struct exofs_io_state *ios;
+        struct ore_comp one_comp;
+        struct ore_components comps;
+        struct ore_io_state *ios;
         int ret = -ENOMEM;
 
         fscb = kmalloc(sizeof(*fscb), GFP_KERNEL);
@@ -380,7 +380,7 @@ int exofs_sync_fs(struct super_block *sb, int wait)
 
         exofs_init_comps(&comps, &one_comp, sbi, EXOFS_SUPER_ID);
 
-        ret = exofs_get_io_state(&sbi->layout, &comps, &ios);
+        ret = ore_get_io_state(&sbi->layout, &comps, &ios);
         if (unlikely(ret))
                 goto out;
 
@@ -397,9 +397,9 @@ int exofs_sync_fs(struct super_block *sb, int wait)
         ios->offset = 0;
         ios->kern_buff = fscb;
 
-        ret = exofs_sbi_write(ios);
+        ret = ore_write(ios);
         if (unlikely(ret))
-                EXOFS_ERR("%s: exofs_sbi_write failed.\n", __func__);
+                EXOFS_ERR("%s: ore_write failed.\n", __func__);
         else
                 sb->s_dirt = 0;
 
@@ -407,7 +407,7 @@ int exofs_sync_fs(struct super_block *sb, int wait)
         unlock_super(sb);
 out:
         EXOFS_DBGMSG("s_nextid=0x%llx ret=%d\n", _LLU(sbi->s_nextid), ret);
-        exofs_put_io_state(ios);
+        ore_put_io_state(ios);
         kfree(fscb);
         return ret;
 }
@@ -562,7 +562,7 @@ static int _read_and_match_data_map(struct exofs_sb_info *sbi, unsigned numdevs,
         return 0;
 }
 
-static unsigned __ra_pages(struct exofs_layout *layout)
+static unsigned __ra_pages(struct ore_layout *layout)
 {
         const unsigned _MIN_RA = 32; /* min 128K read-ahead */
         unsigned ra_pages = layout->group_width * layout->stripe_unit /
@@ -609,7 +609,7 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,
                                        struct osd_dev *fscb_od,
                                        unsigned table_count)
 {
-        struct exofs_comp comp;
+        struct ore_comp comp;
         struct exofs_device_table *dt;
         unsigned table_bytes = table_count * sizeof(dt->dt_dev_table[0]) +
                                              sizeof(*dt);
@@ -747,7 +747,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
         struct exofs_sb_info *sbi;      /*extended info                  */
         struct osd_dev *od;             /* Master device                 */
         struct exofs_fscb fscb;         /*on-disk superblock info        */
-        struct exofs_comp comp;
+        struct ore_comp comp;
         unsigned table_count;
         int ret;
 
@@ -913,7 +913,7 @@ static int exofs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
         struct super_block *sb = dentry->d_sb;
         struct exofs_sb_info *sbi = sb->s_fs_info;
-        struct exofs_io_state *ios;
+        struct ore_io_state *ios;
         struct osd_attr attrs[] = {
                 ATTR_DEF(OSD_APAGE_PARTITION_QUOTAS,
                         OSD_ATTR_PQ_CAPACITY_QUOTA, sizeof(__be64)),
@@ -924,16 +924,16 @@ static int exofs_statfs(struct dentry *dentry, struct kstatfs *buf)
         uint64_t used = ULLONG_MAX;
         int ret;
 
-        ret = exofs_get_io_state(&sbi->layout, &sbi->comps, &ios);
+        ret = ore_get_io_state(&sbi->layout, &sbi->comps, &ios);
         if (ret) {
-                EXOFS_DBGMSG("exofs_get_io_state failed.\n");
+                EXOFS_DBGMSG("ore_get_io_state failed.\n");
                 return ret;
         }
 
         ios->in_attr = attrs;
         ios->in_attr_len = ARRAY_SIZE(attrs);
 
-        ret = exofs_sbi_read(ios);
+        ret = ore_read(ios);
         if (unlikely(ret))
                 goto out;
 
@@ -962,7 +962,7 @@ static int exofs_statfs(struct dentry *dentry, struct kstatfs *buf)
         buf->f_namelen = EXOFS_NAME_LEN;
 
 out:
-        exofs_put_io_state(ios);
+        ore_put_io_state(ios);
         return ret;
 }