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authorJosef Bacik <josef@toxicpanda.com>2020-02-04 19:18:55 +0100
committerDavid Sterba <dsterba@suse.com>2020-03-23 17:01:27 +0100
commit6f4ad559ea1cb5c5e78217405e4141c6a5981f86 (patch)
tree05ae88f85db260595adbaf4bd782636fbef3940d /fs/btrfs/transaction.c
parentbtrfs: add a comment describing block reserves (diff)
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btrfs: add a comment describing delalloc space reservation
delalloc space reservation is tricky because it encompasses both data and metadata. Make it clear what each side does, the general flow of how space is moved throughout the lifetime of a write, and what goes into the calculations. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: David Sterba <dsterba@suse.com>
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