bcachefs: Kill io_in_flight semaphore

This used to be needed more for buffered IO, but now the block layer has
writeback throttling - we can delete this now.

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

diff --git a/fs/bcachefs/fs-io.c b/fs/bcachefs/fs-io.c
index 73f5677..3cb542f 100644 (file)
--- a/fs/bcachefs/fs-io.c
+++ b/fs/bcachefs/fs-io.c
@@ -1214,8 +1214,6 @@ static void bch2_writepage_io_done(struct bch_write_op *op)
        struct bio_vec *bvec;
        unsigned i;
 
-       up(&io->op.c->io_in_flight);
-
        if (io->op.error) {
                set_bit(EI_INODE_ERROR, &io->inode->ei_flags);
 
@@ -1278,8 +1276,6 @@ static void bch2_writepage_do_io(struct bch_writepage_state *w)
 {
        struct bch_writepage_io *io = w->io;
 
-       down(&io->op.c->io_in_flight);
-
        w->io = NULL;
        closure_call(&io->op.cl, bch2_write, NULL, NULL);
 }