12 files changed, 95 insertions, 44 deletions

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 38a42f5d59ff..7c7198a5bc90 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -2398,7 +2398,7 @@ static int ocfs2_leftmost_rec_contains(struct ocfs2_extent_list *el, u32 cpos)
  *
  * The array is assumed to be large enough to hold an entire path (tree depth).
  *
- * Upon succesful return from this function:
+ * Upon successful return from this function:
  *
  * - The 'right_path' array will contain a path to the leaf block
  *   whose range contains e_cpos.
diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c
index a1163b8b417c..b7428c5d0d3b 100644
--- a/fs/ocfs2/blockcheck.c
+++ b/fs/ocfs2/blockcheck.c
@@ -47,7 +47,7 @@
  * Calculate the bit offset in the hamming code buffer based on the bit's
  * offset in the data buffer.  Since the hamming code reserves all
  * power-of-two bits for parity, the data bit number and the code bit
- * number are offest by all the parity bits beforehand.
+ * number are offset by all the parity bits beforehand.
  *
  * Recall that bit numbers in hamming code are 1-based.  This function
  * takes the 0-based data bit from the caller.
diff --git a/fs/ocfs2/cluster/netdebug.c b/fs/ocfs2/cluster/netdebug.c
index da794bc07a6c..a3f150e52b02 100644
--- a/fs/ocfs2/cluster/netdebug.c
+++ b/fs/ocfs2/cluster/netdebug.c
@@ -294,10 +294,10 @@ static int sc_seq_show(struct seq_file *seq, void *v)
                 if (sc->sc_sock) {
                         inet = inet_sk(sc->sc_sock->sk);
                         /* the stack's structs aren't sparse endian clean */
-                        saddr = (__force __be32)inet->saddr;
-                        daddr = (__force __be32)inet->daddr;
-                        sport = (__force __be16)inet->sport;
-                        dport = (__force __be16)inet->dport;
+                        saddr = (__force __be32)inet->inet_saddr;
+                        daddr = (__force __be32)inet->inet_daddr;
+                        sport = (__force __be16)inet->inet_sport;
+                        dport = (__force __be16)inet->inet_dport;
                 }
 
                 /* XXX sigh, inet-> doesn't have sparse annotation so any
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 83bcaf266b35..03ccf9a7b1f4 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2586,7 +2586,7 @@ fail:
          * is complete everywhere.  if the target dies while this is
          * going on, some nodes could potentially see the target as the
          * master, so it is important that my recovery finds the migration
-         * mle and sets the master to UNKNONWN. */
+         * mle and sets the master to UNKNOWN. */
 
 
         /* wait for new node to assert master */
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 0d38d67194cb..c5e4a49e3a12 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -1855,7 +1855,7 @@ int ocfs2_file_lock(struct file *file, int ex, int trylock)
                  * outstanding lock request, so a cancel convert is
                  * required. We intentionally overwrite 'ret' - if the
                  * cancel fails and the lock was granted, it's easier
-                 * to just bubble sucess back up to the user.
+                 * to just bubble success back up to the user.
                  */
                 ret = ocfs2_flock_handle_signal(lockres, level);
         } else if (!ret && (level > lockres->l_level)) {
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 89fc8ee1f5a5..de059f490586 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1712,7 +1712,8 @@ int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
         struct super_block *sb = inode->i_sb;
 
         if (!ocfs2_refcount_tree(OCFS2_SB(inode->i_sb)) ||
-            !(OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL))
+            !(OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL) ||
+            OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL)
                 return 0;
 
         cpos = pos >> OCFS2_SB(sb)->s_clustersize_bits;
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 54c16b66327e..bf34c491ae96 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -659,7 +659,7 @@ static int __ocfs2_journal_access(handle_t *handle,
 
         default:
                 status = -EINVAL;
-                mlog(ML_ERROR, "Uknown access type!\n");
+                mlog(ML_ERROR, "Unknown access type!\n");
         }
         if (!status && ocfs2_meta_ecc(osb) && triggers)
                 jbd2_journal_set_triggers(bh, &triggers->ot_triggers);
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index eae404602424..d963d8638709 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -35,12 +35,7 @@
 #include <linux/kref.h>
 #include <linux/mutex.h>
 #include <linux/lockdep.h>
-#ifndef CONFIG_OCFS2_COMPAT_JBD
-# include <linux/jbd2.h>
-#else
-# include <linux/jbd.h>
-# include "ocfs2_jbd_compat.h"
-#endif
+#include <linux/jbd2.h>
 
 /* For union ocfs2_dlm_lksb */
 #include "stackglue.h"
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 60287fc56bcb..30967e3f5e43 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -2431,7 +2431,7 @@ out:
  * we gonna touch and whether we need to create new blocks.
  *
  * Normally the refcount blocks store these refcount should be
- * continguous also, so that we can get the number easily.
+ * contiguous also, so that we can get the number easily.
  * As for meta_ac, we will at most add split 2 refcount record and
  * 2 more refcount block, so just check it in a rough way.
  *
@@ -3743,6 +3743,9 @@ static int ocfs2_attach_refcount_tree(struct inode *inode,
                 goto out;
         }
 
+        if (oi->ip_dyn_features & OCFS2_INLINE_DATA_FL)
+                goto attach_xattr;
+
         ocfs2_init_dinode_extent_tree(&di_et, INODE_CACHE(inode), di_bh);
 
         size = i_size_read(inode);
@@ -3769,6 +3772,7 @@ static int ocfs2_attach_refcount_tree(struct inode *inode,
                 cpos += num_clusters;
         }
 
+attach_xattr:
         if (oi->ip_dyn_features & OCFS2_HAS_XATTR_FL) {
                 ret = ocfs2_xattr_attach_refcount_tree(inode, di_bh,
                                                        &ref_tree->rf_ci,
@@ -3858,6 +3862,49 @@ out:
         return ret;
 }
 
+static int ocfs2_duplicate_inline_data(struct inode *s_inode,
+                                       struct buffer_head *s_bh,
+                                       struct inode *t_inode,
+                                       struct buffer_head *t_bh)
+{
+        int ret;
+        handle_t *handle;
+        struct ocfs2_super *osb = OCFS2_SB(s_inode->i_sb);
+        struct ocfs2_dinode *s_di = (struct ocfs2_dinode *)s_bh->b_data;
+        struct ocfs2_dinode *t_di = (struct ocfs2_dinode *)t_bh->b_data;
+
+        BUG_ON(!(OCFS2_I(s_inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL));
+
+        handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
+        if (IS_ERR(handle)) {
+                ret = PTR_ERR(handle);
+                mlog_errno(ret);
+                goto out;
+        }
+
+        ret = ocfs2_journal_access_di(handle, INODE_CACHE(t_inode), t_bh,
+                                      OCFS2_JOURNAL_ACCESS_WRITE);
+        if (ret) {
+                mlog_errno(ret);
+                goto out_commit;
+        }
+
+        t_di->id2.i_data.id_count = s_di->id2.i_data.id_count;
+        memcpy(t_di->id2.i_data.id_data, s_di->id2.i_data.id_data,
+               le16_to_cpu(s_di->id2.i_data.id_count));
+        spin_lock(&OCFS2_I(t_inode)->ip_lock);
+        OCFS2_I(t_inode)->ip_dyn_features |= OCFS2_INLINE_DATA_FL;
+        t_di->i_dyn_features = cpu_to_le16(OCFS2_I(t_inode)->ip_dyn_features);
+        spin_unlock(&OCFS2_I(t_inode)->ip_lock);
+
+        ocfs2_journal_dirty(handle, t_bh);
+
+out_commit:
+        ocfs2_commit_trans(osb, handle);
+out:
+        return ret;
+}
+
 static int ocfs2_duplicate_extent_list(struct inode *s_inode,
                                 struct inode *t_inode,
                                 struct buffer_head *t_bh,
@@ -3997,6 +4044,14 @@ static int ocfs2_create_reflink_node(struct inode *s_inode,
                 goto out;
         }
 
+        if (OCFS2_I(s_inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
+                ret = ocfs2_duplicate_inline_data(s_inode, s_bh,
+                                                  t_inode, t_bh);
+                if (ret)
+                        mlog_errno(ret);
+                goto out;
+        }
+
         ret = ocfs2_lock_refcount_tree(osb, le64_to_cpu(di->i_refcount_loc),
                                        1, &ref_tree, &ref_root_bh);
         if (ret) {
@@ -4013,10 +4068,6 @@ static int ocfs2_create_reflink_node(struct inode *s_inode,
                 goto out_unlock_refcount;
         }
 
-        ret = ocfs2_complete_reflink(s_inode, s_bh, t_inode, t_bh, preserve);
-        if (ret)
-                mlog_errno(ret);
-
 out_unlock_refcount:
         ocfs2_unlock_refcount_tree(osb, ref_tree, 1);
         brelse(ref_root_bh);
@@ -4068,9 +4119,17 @@ static int __ocfs2_reflink(struct dentry *old_dentry,
                 ret = ocfs2_reflink_xattrs(inode, old_bh,
                                            new_inode, new_bh,
                                            preserve);
-                if (ret)
+                if (ret) {
                         mlog_errno(ret);
+                        goto inode_unlock;
+                }
         }
+
+        ret = ocfs2_complete_reflink(inode, old_bh,
+                                     new_inode, new_bh, preserve);
+        if (ret)
+                mlog_errno(ret);
+
 inode_unlock:
         ocfs2_inode_unlock(new_inode, 1);
         brelse(new_bh);
diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c
index 3f2f1c45b7b6..f3df0baa9a48 100644
--- a/fs/ocfs2/stackglue.c
+++ b/fs/ocfs2/stackglue.c
@@ -620,51 +620,46 @@ error:
 
 static ctl_table ocfs2_nm_table[] = {
         {
-                .ctl_name       = 1,
                 .procname       = "hb_ctl_path",
                 .data           = ocfs2_hb_ctl_path,
                 .maxlen         = OCFS2_MAX_HB_CTL_PATH,
                 .mode           = 0644,
-                .proc_handler   = &proc_dostring,
-                .strategy       = &sysctl_string,
+                .proc_handler   = proc_dostring,
         },
-        { .ctl_name = 0 }
+        { }
 };
 
 static ctl_table ocfs2_mod_table[] = {
         {
-                .ctl_name       = FS_OCFS2_NM,
                 .procname       = "nm",
                 .data           = NULL,
                 .maxlen         = 0,
                 .mode           = 0555,
                 .child          = ocfs2_nm_table
         },
-        { .ctl_name = 0}
+        { }
 };
 
 static ctl_table ocfs2_kern_table[] = {
         {
-                .ctl_name       = FS_OCFS2,
                 .procname       = "ocfs2",
                 .data           = NULL,
                 .maxlen         = 0,
                 .mode           = 0555,
                 .child          = ocfs2_mod_table
         },
-        { .ctl_name = 0}
+        { }
 };
 
 static ctl_table ocfs2_root_table[] = {
         {
-                .ctl_name       = CTL_FS,
                 .procname       = "fs",
                 .data           = NULL,
                 .maxlen         = 0,
                 .mode           = 0555,
                 .child          = ocfs2_kern_table
         },
-        { .ctl_name = 0 }
+        { }
 };
 
 static struct ctl_table_header *ocfs2_table_header = NULL;
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index c0e48aeebb1c..14f47d2bfe02 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -773,18 +773,20 @@ static int ocfs2_sb_probe(struct super_block *sb,
                 if (tmpstat < 0) {
                         status = tmpstat;
                         mlog_errno(status);
-                        goto bail;
+                        break;
                 }
                 di = (struct ocfs2_dinode *) (*bh)->b_data;
                 memset(stats, 0, sizeof(struct ocfs2_blockcheck_stats));
                 spin_lock_init(&stats->b_lock);
-                status = ocfs2_verify_volume(di, *bh, blksize, stats);
-                if (status >= 0)
-                        goto bail;
-                brelse(*bh);
-                *bh = NULL;
-                if (status != -EAGAIN)
+                tmpstat = ocfs2_verify_volume(di, *bh, blksize, stats);
+                if (tmpstat < 0) {
+                        brelse(*bh);
+                        *bh = NULL;
+                }
+                if (tmpstat != -EAGAIN) {
+                        status = tmpstat;
                         break;
+                }
         }
 
 bail:
@@ -1645,6 +1647,10 @@ static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
         buf->f_bavail = buf->f_bfree;
         buf->f_files = numbits;
         buf->f_ffree = freebits;
+        buf->f_fsid.val[0] = crc32_le(0, osb->uuid_str, OCFS2_VOL_UUID_LEN)
+                                & 0xFFFFFFFFUL;
+        buf->f_fsid.val[1] = crc32_le(0, osb->uuid_str + OCFS2_VOL_UUID_LEN,
+                                OCFS2_VOL_UUID_LEN) & 0xFFFFFFFFUL;
 
         brelse(bh);
 
diff --git a/fs/ocfs2/uptodate.c b/fs/ocfs2/uptodate.c
index b6284f235d2f..c61369342a27 100644
--- a/fs/ocfs2/uptodate.c
+++ b/fs/ocfs2/uptodate.c
@@ -53,11 +53,6 @@
 #include <linux/highmem.h>
 #include <linux/buffer_head.h>
 #include <linux/rbtree.h>
-#ifndef CONFIG_OCFS2_COMPAT_JBD
-# include <linux/jbd2.h>
-#else
-# include <linux/jbd.h>
-#endif
 
 #define MLOG_MASK_PREFIX ML_UPTODATE