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    Btrfs: do not start delalloc inodes during sync · 996d282c
    Josef Bacik 提交于
    btrfs_start_delalloc_inodes will just walk the list of delalloc inodes and
    start writing them out, but it doesn't splice the list or anything so as
    long as somebody is doing work on the box you could end up in this section
    _forever_.  So just remove it, it's not needed anyway since sync will start
    writeback on all inodes anyway, all we need to do is wait for ordered
    extents and then we can commit the transaction.  In my horrible torture test
    sync goes from taking 4 minutes to about 1.5 minutes.  Thanks,
    Signed-off-by: NJosef Bacik <josef@redhat.com>
    Signed-off-by: NChris Mason <chris.mason@oracle.com>
    996d282c
super.c 40.1 KB