bcachefs: Start gc, copygc, rebalance threads after initing writes ref

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This fixes a bug where copygc would occasionally race with going
read-write and die, thinking we were read only, because it couldn't take
a ref on c->writes.

It's not necessary for copygc (or rebalance, or copygc) to take write
refs; they could run with BCH_TRANS_COMMIT_nocheck_rw, but this is an
easier fix that making sure that flag is passed correctly everywhere.

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

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This commit is contained in:

Kent Overstreet 2023-11-24 00:55:59 -05:00

parent 202a7c292e

commit 468035ca4b

1 changed files with 16 additions and 12 deletions

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28

fs/bcachefs/super.c

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