bcachefs: Add a lock to bch_page_state

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We can't use the page lock to protect it, because on writeback IO error
we need to access the page state before calling end_page_writeback() and
the page lock semantics are completely insane so that deadlocks.

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

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Kent Overstreet 2019-10-09 09:19:06 -04:00 • committed by Kent Overstreet

parent 43de7376f3

commit 3826ee0b17

1 changed files with 16 additions and 8 deletions

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fs/bcachefs/fs-io.c

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