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authorPavel Begunkov <asml.silence@gmail.com>2023-04-13 16:28:13 +0200
committerJens Axboe <axboe@kernel.dk>2023-04-15 22:45:49 +0200
commitc87fd583f3b5ef770af33893394ea37c7a10b5b8 (patch)
tree2ccd8f4bda3a055677062fcbb9ac9e61fcfbfa03 /io_uring/filetable.c
parentio_uring/rsrc: clean up __io_sqe_buffers_update() (diff)
downloadlinux-c87fd583f3b5ef770af33893394ea37c7a10b5b8.tar.xz
linux-c87fd583f3b5ef770af33893394ea37c7a10b5b8.zip
io_uring/rsrc: simplify single file node switching
At maximum io_install_fixed_file() removes only one file, so no need to keep needs_switch state and we can call io_rsrc_node_switch() right after removal. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/37cfb46f46160f81dced79f646e97db608994574.1681395792.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/filetable.c')
-rw-r--r--io_uring/filetable.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/io_uring/filetable.c b/io_uring/filetable.c
index b80614e7d605..6255fa255ae2 100644
--- a/io_uring/filetable.c
+++ b/io_uring/filetable.c
@@ -64,7 +64,6 @@ static int io_install_fixed_file(struct io_ring_ctx *ctx, struct file *file,
u32 slot_index)
__must_hold(&req->ctx->uring_lock)
{
- bool needs_switch = false;
struct io_fixed_file *file_slot;
int ret;
@@ -83,16 +82,17 @@ static int io_install_fixed_file(struct io_ring_ctx *ctx, struct file *file,
ret = io_rsrc_node_switch_start(ctx);
if (ret)
- goto err;
+ return ret;
old_file = (struct file *)(file_slot->file_ptr & FFS_MASK);
ret = io_queue_rsrc_removal(ctx->file_data, slot_index,
ctx->rsrc_node, old_file);
if (ret)
- goto err;
+ return ret;
+
file_slot->file_ptr = 0;
io_file_bitmap_clear(&ctx->file_table, slot_index);
- needs_switch = true;
+ io_rsrc_node_switch(ctx, ctx->file_data);
}
ret = io_scm_file_account(ctx, file);
@@ -101,9 +101,6 @@ static int io_install_fixed_file(struct io_ring_ctx *ctx, struct file *file,
io_fixed_file_set(file_slot, file);
io_file_bitmap_set(&ctx->file_table, slot_index);
}
-err:
- if (needs_switch)
- io_rsrc_node_switch(ctx, ctx->file_data);
return ret;
}