nilfs2: move cleanup code of metadata file from inode routines
Refactor nilfs_clear_inode() and nilfs_i_callback() so that cleanup
code or resource deallocation related to metadata file will be moved
out to mdt.c.
Link: http://lkml.kernel.org/r/1461935747-10380-9-git-send-email-konishi.ryusuke@lab.ntt.co.jp
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/nilfs2/mdt.h b/fs/nilfs2/mdt.h
index dc88907..ffb876e 100644
--- a/fs/nilfs2/mdt.h
+++ b/fs/nilfs2/mdt.h
@@ -67,6 +67,11 @@
return inode->i_private;
}
+static inline int nilfs_is_metadata_file_inode(const struct inode *inode)
+{
+ return inode->i_private != NULL;
+}
+
/* Default GFP flags using highmem */
#define NILFS_MDT_GFP (__GFP_RECLAIM | __GFP_IO | __GFP_HIGHMEM)
@@ -82,6 +87,9 @@
int nilfs_mdt_fetch_dirty(struct inode *);
int nilfs_mdt_init(struct inode *inode, gfp_t gfp_mask, size_t objsz);
+void nilfs_mdt_clear(struct inode *inode);
+void nilfs_mdt_destroy(struct inode *inode);
+
void nilfs_mdt_set_entry_size(struct inode *, unsigned, unsigned);
int nilfs_mdt_setup_shadow_map(struct inode *inode,