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io_uring: split alloc_fixed_file_ref_node 

Split alloc_fixed_file_ref_node into resource generic/specific parts,
to be leveraged for fixed buffers.

Signed-off-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
pull/634/merge
Bijan Mottahedeh 2021-01-15 17:37:48 +00:00 committed by Jens Axboe
parent 2a63b2d9c3
commit 6802535df7
1 changed files with 14 additions and 2 deletions
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16
fs/io_uring.c
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@ -7799,7 +7799,7 @@ static void io_rsrc_data_ref_zero(struct percpu_ref *ref)
queue_delayed_work(system_wq, &ctx->rsrc_put_work, delay);
}
static struct fixed_rsrc_ref_node *alloc_fixed_file_ref_node(
static struct fixed_rsrc_ref_node *alloc_fixed_rsrc_ref_node(
struct io_ring_ctx *ctx)
{
struct fixed_rsrc_ref_node *ref_node;
@ -7815,9 +7815,21 @@ static struct fixed_rsrc_ref_node *alloc_fixed_file_ref_node(
}
INIT_LIST_HEAD(&ref_node->node);
INIT_LIST_HEAD(&ref_node->rsrc_list);
ref_node->done = false;
return ref_node;
}
static struct fixed_rsrc_ref_node *alloc_fixed_file_ref_node(
struct io_ring_ctx *ctx)
{
struct fixed_rsrc_ref_node *ref_node;
ref_node = alloc_fixed_rsrc_ref_node(ctx);
if (!ref_node)
return NULL;
ref_node->rsrc_data = ctx->file_data;
ref_node->rsrc_put = io_ring_file_put;
ref_node->done = false;
return ref_node;
}