On Mon, May 12, 2025 at 12:01:54PM +0800, cen zhang wrote:
> I would like to report a data race bug detected in
> the Btrfs filesystem on Linux kernel 6.14-rc4.
xfs?
> The issue was discovered by our tools,
As in KCSAN?
> Reader (fs/xfs/xfs_file.c):
> xfs_file_release {
> ……
> xfs_iflags_clear(ip, XFS_EOFBLOCKS_RELEASED);
> if (ip->i_delayed_blks > 0)
> filemap_flush(inode->i_mapping);
> ……
> }
And this should make it very clear that the race does not matter.
bu we should indeed throw in a data_race() and a comment to make that
clear. I'll take care of that.
