bcachefs: Fix for shared paths in write buffer flush

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It's possible for bch2_write_buffer_flush_one() to end up with a shared
path, if called from a context that already has a btree iterator
pointing to a key being flushed. We have to be careful when that
happens, since we can't clone a path that holds write locks.

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

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Kent Overstreet 2023-02-26 15:48:39 -05:00

parent 39a1ea129a

commit 747ded6ddf

1 changed files with 9 additions and 0 deletions

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fs/bcachefs/btree_write_buffer.c

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