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btrfs_end_bio() is using btrfs_dev_stat_inc() and then btrfs_dev_stat_print_on_error() separately instead use btrfs_dev_stat_inc_and_print() directly. As of now there isn't any bio in btrfs which is - a non-empty write and also the REQ_PREFLUSH flag is set. So in actual the condition if (bio->bi_opf & REQ_PREFLUSH) is never true in btrfs_end_bio(), and so there won't be any redundant error log by using btrfs_dev_stat_inc_and_print() separately one for write and another for flush. This consolidation will help to add the device critical error handles in the function btrfs_dev_stat_inc_and_print() and which can be renamed as needed. Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.