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    Btrfs: add a delalloc mutex to inodes for delalloc reservations · f248679e
    Josef Bacik 提交于
    I was using i_mutex for this, but we're getting bogus lockdep warnings by doing
    that and theres no real way to get rid of those, so just stop using i_mutex to
    protect delalloc metadata reservations and use a delalloc mutex instead.  This
    shouldn't be contended often at all, only if you are writing and mmap writing to
    the file at the same time.  Thanks,
    Signed-off-by: NJosef Bacik <josef@redhat.com>
    f248679e
inode.c 197.1 KB