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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2016-05-23 16:23:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-23 17:04:14 -0700
commit2d19961d83524c69e44f179b43aee2daf0906eda (patch)
treebd65c4e61733de1fc2077fead93958c7388b0c74 /fs/nilfs2/mdt.c
parent24e20ead2fb2e1b67a76a04550d29c9027f707eb (diff)
downloadlinux-2d19961d83524c69e44f179b43aee2daf0906eda.tar.bz2
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>
Diffstat (limited to 'fs/nilfs2/mdt.c')
-rw-r--r--fs/nilfs2/mdt.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index c8fe58406a07..8a2f8b240f25 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -28,6 +28,7 @@
#include "segment.h"
#include "page.h"
#include "mdt.h"
+#include "alloc.h" /* nilfs_palloc_destroy_cache() */
#include <trace/events/nilfs2.h>
@@ -465,6 +466,30 @@ int nilfs_mdt_init(struct inode *inode, gfp_t gfp_mask, size_t objsz)
return 0;
}
+/**
+ * nilfs_mdt_clear - do cleanup for the metadata file
+ * @inode: inode of the metadata file
+ */
+void nilfs_mdt_clear(struct inode *inode)
+{
+ struct nilfs_mdt_info *mdi = NILFS_MDT(inode);
+
+ if (mdi->mi_palloc_cache)
+ nilfs_palloc_destroy_cache(inode);
+}
+
+/**
+ * nilfs_mdt_destroy - release resources used by the metadata file
+ * @inode: inode of the metadata file
+ */
+void nilfs_mdt_destroy(struct inode *inode)
+{
+ struct nilfs_mdt_info *mdi = NILFS_MDT(inode);
+
+ kfree(mdi->mi_bgl); /* kfree(NULL) is safe */
+ kfree(mdi);
+}
+
void nilfs_mdt_set_entry_size(struct inode *inode, unsigned entry_size,
unsigned header_size)
{