Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
  ocfs2: Trivial cleanup of jbd compatibility layer removal
  ocfs2: Refresh documentation
  ocfs2: return f_fsid info in ocfs2_statfs()
  ocfs2: duplicate inline data properly during reflink.
  ocfs2: Move ocfs2_complete_reflink to the right place.
  ocfs2: Return -EINVAL when a device is not ocfs2.

5 files changed, 80 insertions, 24 deletions

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 89fc8ee1f5a..de059f49058 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/ocfs2.h b/fs/ocfs2/ocfs2.h
index eae40460242..d963d863870 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 60287fc56bc..3a0df7a1b81 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -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/super.c b/fs/ocfs2/super.c
index c0e48aeebb1..14f47d2bfe0 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 b6284f235d2..c61369342a2 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