udf: Update ctime and mtime when directory is modified

We failed to update ctime & mtime of a directory when new entry was
created in it during rename, link, create, etc. Fix that.

Reported-by: Taesoo Kim <tsgatesv@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 7 insertions, 2 deletions

diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index fbf3d90967ea..39661977c89c 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -568,8 +568,8 @@ static int udf_add_nondir(struct dentry *dentry, struct inode *inode)
         *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
                 cpu_to_le32(iinfo->i_unique & 0x00000000FFFFFFFFUL);
         udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
-        if (UDF_I(dir)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
-                mark_inode_dirty(dir);
+        dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);
+        mark_inode_dirty(dir);
         if (fibh.sbh != fibh.ebh)
                 brelse(fibh.ebh);
         brelse(fibh.sbh);
@@ -682,6 +682,7 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
         cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY;
         udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
         inc_nlink(dir);
+        dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);
         mark_inode_dirty(dir);
         unlock_new_inode(inode);
         d_instantiate(dentry, inode);
@@ -1023,6 +1024,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
         inc_nlink(inode);
         inode->i_ctime = current_fs_time(inode->i_sb);
         mark_inode_dirty(inode);
+        dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);
+        mark_inode_dirty(dir);
         ihold(inode);
         d_instantiate(dentry, inode);
 
@@ -1126,7 +1129,9 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
                 inode_dec_link_count(new_inode);
         }
         old_dir->i_ctime = old_dir->i_mtime = current_fs_time(old_dir->i_sb);
+        new_dir->i_ctime = new_dir->i_mtime = current_fs_time(new_dir->i_sb);
         mark_inode_dirty(old_dir);
+        mark_inode_dirty(new_dir);
 
         if (dir_fi) {
                 dir_fi->icb.extLocation = cpu_to_lelb(UDF_I(new_dir)->i_location);