bcachefs: Snapshot deletion no longer uses snapshot_t->equiv

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Switch to generating a private list of interior nodes to delete, instead
of using the equivalence class in the global data structure.

This eliminates possible races with snapshot creation, and is much
cleaner - it'll let us delete a lot of janky code for calculating and
maintaining the equivalence classes.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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This commit is contained in:

Kent Overstreet 2024-12-12 03:03:58 -05:00

parent 85c060f62d

commit 35c5609abf

1 changed files with 133 additions and 135 deletions

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fs/bcachefs/snapshot.c

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