bcachefs: Clean up btree write buffer write ref handling

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__bch2_btree_write_buffer_flush() now assumes a write ref is already
held (as called by the transaction commit path); and the wrappers
bch2_write_buffer_flush() and flush_sync() take an explicit write ref.

This means internally the write buffer code can always use
BTREE_INSERT_NOCHECK_RW, instead of in the previous code passing flags
around and hoping the NOCHECK_RW flag was always carried around
correctly.

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

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This commit is contained in:

Kent Overstreet 2023-11-02 19:37:15 -04:00

parent cf5bacb6a5

commit 183bcc89b8

7 changed files with 41 additions and 24 deletions

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3

fs/bcachefs/bcachefs.h

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6

fs/bcachefs/btree_trans_commit.c

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38

fs/bcachefs/btree_write_buffer.c

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3

fs/bcachefs/btree_write_buffer.h

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2

fs/bcachefs/ec.c

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10

fs/bcachefs/inode.c

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3

fs/bcachefs/movinggc.c

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