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-rw-r--r--fs/ext4/super.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 639613fe20aa..db4be39a8db7 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1516,8 +1516,12 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
return -1;
if (args->from && (m->flags & MOPT_GTE0) && (arg < 0))
return -1;
- if (m->flags & MOPT_EXPLICIT)
- set_opt2(sb, EXPLICIT_DELALLOC);
+ if (m->flags & MOPT_EXPLICIT) {
+ if (m->mount_opt & EXT4_MOUNT_DELALLOC) {
+ set_opt2(sb, EXPLICIT_DELALLOC);
+ } else
+ return -1;
+ }
if (m->flags & MOPT_CLEAR_ERR)
clear_opt(sb, ERRORS_MASK);
if (token == Opt_noquota && sb_any_quota_loaded(sb)) {