Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: (49 commits)
  nilfs2: separate wait function from nilfs_segctor_write
  nilfs2: add iterator for segment buffers
  nilfs2: hide nilfs_write_info struct in segment buffer code
  nilfs2: relocate io status variables to segment buffer
  nilfs2: do not return io error for bio allocation failure
  nilfs2: use list_splice_tail or list_splice_tail_init
  nilfs2: replace mark_inode_dirty as nilfs_mark_inode_dirty
  nilfs2: delete mark_inode_dirty in nilfs_delete_entry
  nilfs2: delete mark_inode_dirty in nilfs_commit_chunk
  nilfs2: change return type of nilfs_commit_chunk
  nilfs2: split nilfs_unlink as nilfs_do_unlink and nilfs_unlink
  nilfs2: delete redundant mark_inode_dirty
  nilfs2: expand inode_inc_link_count and inode_dec_link_count
  nilfs2: delete mark_inode_dirty from nilfs_set_link
  nilfs2: delete mark_inode_dirty in nilfs_new_inode
  nilfs2: add norecovery mount option
  nilfs2: add helper to get if volume is in a valid state
  nilfs2: move recovery completion into load_nilfs function
  nilfs2: apply readahead for recovery on mount
  nilfs2: clean up get/put function of a segment usage
  ...

1 files changed, 35 insertions, 0 deletions

diff --git a/fs/nilfs2/ifile.c b/fs/nilfs2/ifile.c
index de86401f209f..922d9dd42c8f 100644
--- a/fs/nilfs2/ifile.c
+++ b/fs/nilfs2/ifile.c
@@ -29,6 +29,17 @@
 #include "alloc.h"
 #include "ifile.h"
 
+
+struct nilfs_ifile_info {
+	struct nilfs_mdt_info mi;
+	struct nilfs_palloc_cache palloc_cache;
+};
+
+static inline struct nilfs_ifile_info *NILFS_IFILE_I(struct inode *ifile)
+{
+	return (struct nilfs_ifile_info *)NILFS_MDT(ifile);
+}
+
 /**
  * nilfs_ifile_create_inode - create a new disk inode
  * @ifile: ifile inode
@@ -148,3 +159,27 @@ int nilfs_ifile_get_inode_block(struct inode *ifile, ino_t ino,
 	}
 	return err;
 }
+
+/**
+ * nilfs_ifile_new - create inode file
+ * @sbi: nilfs_sb_info struct
+ * @inode_size: size of an inode
+ */
+struct inode *nilfs_ifile_new(struct nilfs_sb_info *sbi, size_t inode_size)
+{
+	struct inode *ifile;
+	int err;
+
+	ifile = nilfs_mdt_new(sbi->s_nilfs, sbi->s_super, NILFS_IFILE_INO,
+			      sizeof(struct nilfs_ifile_info));
+	if (ifile) {
+		err = nilfs_palloc_init_blockgroup(ifile, inode_size);
+		if (unlikely(err)) {
+			nilfs_mdt_destroy(ifile);
+			return NULL;
+		}
+		nilfs_palloc_setup_cache(ifile,
+					 &NILFS_IFILE_I(ifile)->palloc_cache);
+	}
+	return ifile;
+}