diff options
| -rw-r--r-- | fs/ext4/super.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index cb0ce57bd896..33a81ef3c08a 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -6528,6 +6528,13 @@ static int __ext4_remount(struct fs_context *fc, struct super_block *sb) goto restore_opts; } + if ((old_opts.s_mount_opt & EXT4_MOUNT_DELALLOC) && + !test_opt(sb, DELALLOC)) { + ext4_msg(sb, KERN_ERR, "can't disable delalloc during remount"); + err = -EINVAL; + goto restore_opts; + } + sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); |