From 00a6e4dfa128c20861fbcd8adf3f28a8bf3a673e Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Thu, 14 May 2015 18:37:30 -0400 Subject: [PATCH] ext4: don't save the error information if the block device is read-only Google-Bug-Id: 20939131 Signed-off-by: Theodore Ts'o --- fs/ext4/super.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 48c8af5fe91d..fece245c796f 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -305,6 +305,8 @@ static void __save_error_info(struct super_block *sb, const char *func, struct ext4_super_block *es = EXT4_SB(sb)->s_es; EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS; + if (bdev_read_only(sb->s_bdev)) + return; es->s_state |= cpu_to_le16(EXT4_ERROR_FS); es->s_last_error_time = cpu_to_le32(get_seconds()); strncpy(es->s_last_error_func, func, sizeof(es->s_last_error_func)); -- 2.34.1