bcachefs: Minor dio write path improvements

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This switches where we take quota reservations to be per bch_wirte_op
instead of per dio_write, so we can drop the quota reservation in the
same place as we call i_sectors_acct(), and only take/release
ei_quota_lock once.

In the future we'd like ei_quota_lock to not be a mutex, so that we can
avoid punting to process context before deliving write completions in
nocow mode.

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

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Kent Overstreet 2022-11-13 22:43:37 -05:00

parent 84fea8e5b3

commit 6b1b186a5a

1 changed files with 54 additions and 33 deletions

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fs/bcachefs/fs-io.c

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