Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxxxx>
---
fs/ext4/ext4.h | 3 +++
fs/ext4/super.c | 5 +++++
2 files changed, 8 insertions(+)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 4e091eae38b1..09fb2426c352 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1130,6 +1130,9 @@ struct ext4_inode_info {
#define EXT4_MOUNT2_EXPLICIT_JOURNAL_CHECKSUM 0x00000008 /* User explicitly
specified journal checksum */
+#define EXT4_MOUNT2_CASE_INSENSITIVE 0x00000010 /* Perform case-insensitive
+ lookups */
+
#define clear_opt(sb, opt) EXT4_SB(sb)->s_mount_opt &= \
~EXT4_MOUNT_##opt
#define set_opt(sb, opt) EXT4_SB(sb)->s_mount_opt |= \
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 7c46693a14d7..f737e90a3b4e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1350,6 +1350,7 @@ enum {
Opt_dioread_nolock, Opt_dioread_lock,
Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
Opt_max_dir_size_kb, Opt_nojournal_checksum, Opt_nombcache,
+ Opt_ignore_case,
};
static const match_table_t tokens = {
@@ -1432,6 +1433,7 @@ static const match_table_t tokens = {
{Opt_noinit_itable, "noinit_itable"},
{Opt_max_dir_size_kb, "max_dir_size_kb=%u"},
{Opt_test_dummy_encryption, "test_dummy_encryption"},
+ {Opt_ignore_case, "ignorecase"},
{Opt_nombcache, "nombcache"},
{Opt_nombcache, "no_mbcache"}, /* for backward compatibility */
{Opt_removed, "check=none"}, /* mount option from ext2/3 */
@@ -1687,6 +1689,9 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
case Opt_nolazytime:
sb->s_flags &= ~SB_LAZYTIME;
return 1;
+ case Opt_ignore_case:
+ set_opt2(sb, CASE_INSENSITIVE);
+ return 1;
}
for (m = ext4_mount_opts; m->token != Opt_err; m++)
--
2.15.1
