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authorTheodore Ts'o <tytso@mit.edu>2015-05-14 18:37:30 -0400
committerTheodore Ts'o <tytso@mit.edu>2015-05-14 18:37:30 -0400
commit1b46617b8d0851c78b6440701d78fffbd9170741 (patch)
treefa7b800751f4bb1534f52d0edfc478416f51063d /fs
parent8f4d855839179f410fa910a26eb81d646d628f26 (diff)
downloadkernel-1b46617b8d0851c78b6440701d78fffbd9170741.tar.gz
ext4: don't save the error information if the block device is read-only
Google-Bug-Id: 20939131 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/super.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f06d0589ddba..ca9d4a2fed41 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -294,6 +294,8 @@ 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));