From: Miklos Szeredi <mszeredi@xxxxxxx> Now a successful sb_prepare_remount_readonly() should ensure that no writable files remain for this superblock. So turn this check into a WARN_ON. Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx> Tested-by: Toshiyuki Okajima <toshi.okajima@xxxxxxxxxxxxxx> --- fs/file_table.c | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/file_table.c b/fs/file_table.c index c322794..dc9f437 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -486,8 +486,11 @@ int fs_may_remount_ro(struct super_block *sb) if (inode->i_nlink == 0) goto too_bad; - /* Writeable file? */ - if (S_ISREG(inode->i_mode) && (file->f_mode & FMODE_WRITE)) + /* + * Writable file? + * Should be caught by sb_prepare_remount_readonly(). + */ + if (WARN_ON(S_ISREG(inode->i_mode) && (file->f_mode & FMODE_WRITE))) goto too_bad; } while_file_list_for_each_entry; lg_global_unlock(files_lglock); -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
