nilfs2: decrement inodes count only if raw inode was successfully deleted
This fixes the issue that inodes count will not add up after removal
of raw inodes fails. Hence, this prevents possible under flow of the
inodes count.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 2fd440d..3a6967d 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -707,6 +707,7 @@
struct nilfs_transaction_info ti;
struct super_block *sb = inode->i_sb;
struct nilfs_inode_info *ii = NILFS_I(inode);
+ int ret;
if (inode->i_nlink || !ii->i_root || unlikely(is_bad_inode(inode))) {
if (inode->i_data.nrpages)
@@ -725,8 +726,9 @@
nilfs_mark_inode_dirty(inode);
end_writeback(inode);
- nilfs_ifile_delete_inode(ii->i_root->ifile, inode->i_ino);
- atomic_dec(&ii->i_root->inodes_count);
+ ret = nilfs_ifile_delete_inode(ii->i_root->ifile, inode->i_ino);
+ if (!ret)
+ atomic_dec(&ii->i_root->inodes_count);
nilfs_clear_inode(inode);