[PATCH 2/3] fs/ntfs3: Add hidedotfiles option

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With this option all files with filename[0] == '.'
will have FILE_ATTRIBUTE_HIDDEN attribute.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
---
 fs/ntfs3/inode.c   | 4 ++++
 fs/ntfs3/ntfs_fs.h | 1 +
 fs/ntfs3/super.c   | 5 +++++
 3 files changed, 10 insertions(+)

diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index 51363d4e8636..40b8565815a2 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -1257,6 +1257,10 @@ struct inode *ntfs_create_inode(struct user_namespace *mnt_userns,
 		fa = FILE_ATTRIBUTE_ARCHIVE;
 	}
+ /* If option "hidedotfiles" then set hidden attribute for dot files. */
+	if (sbi->options->hide_dot_files && name->name[0] == '.')
+		fa |= FILE_ATTRIBUTE_HIDDEN;
+
 	if (!(mode & 0222))
 		fa |= FILE_ATTRIBUTE_READONLY;
diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h
index 2c791222c4e2..cd680ada50ab 100644
--- a/fs/ntfs3/ntfs_fs.h
+++ b/fs/ntfs3/ntfs_fs.h
@@ -97,6 +97,7 @@ struct ntfs_mount_options {
 	unsigned sparse : 1; /* Create sparse files. */
 	unsigned showmeta : 1; /* Show meta files. */
 	unsigned nohidden : 1; /* Do not show hidden files. */
+	unsigned hide_dot_files : 1; /* Set hidden flag on dot files. */
 	unsigned force : 1; /* RW mount dirty volume. */
 	unsigned noacsrules : 1; /* Exclude acs rules. */
 	unsigned prealloc : 1; /* Preallocate space when file is growing. */
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index 86ff55133faf..067a0e9cf590 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -247,6 +247,7 @@ enum Opt {
 	Opt_force,
 	Opt_sparse,
 	Opt_nohidden,
+	Opt_hide_dot_files,
 	Opt_showmeta,
 	Opt_acl,
 	Opt_iocharset,
@@ -266,6 +267,7 @@ static const struct fs_parameter_spec ntfs_fs_parameters[] = {
 	fsparam_flag_no("force",		Opt_force),
 	fsparam_flag_no("sparse",		Opt_sparse),
 	fsparam_flag_no("hidden",		Opt_nohidden),
+	fsparam_flag_no("hidedotfiles",		Opt_hide_dot_files),
 	fsparam_flag_no("acl",			Opt_acl),
 	fsparam_flag_no("showmeta",		Opt_showmeta),
 	fsparam_flag_no("prealloc",		Opt_prealloc),
@@ -357,6 +359,9 @@ static int ntfs_fs_parse_param(struct fs_context *fc,
 	case Opt_nohidden:
 		opts->nohidden = result.negated ? 1 : 0;
 		break;
+	case Opt_hide_dot_files:
+		opts->hide_dot_files = result.negated ? 1 : 0;
+		break;
 	case Opt_acl:
 		if (!result.negated)
 #ifdef CONFIG_NTFS3_FS_POSIX_ACL
--
2.37.0





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