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for-5.16/ki_complete-2021-10-29

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Merge tag 'for-5.16/ki_complete-2021-10-29' of git://git.kernel.dk/linux-block

Pull kiocb->ki_complete() cleanup from Jens Axboe:
 "This removes the res2 argument from kiocb->ki_complete().

  Only the USB gadget code used it, everybody else passes 0. The USB
  guys checked the user gadget code they could find, and everybody just
  uses res as expected for the async interface"

* tag 'for-5.16/ki_complete-2021-10-29' of git://git.kernel.dk/linux-block:
  fs: get rid of the res2 iocb->ki_complete argument
  usb: remove res2 argument from gadget code completions
This commit is contained in:
Linus Torvalds 2021-11-01 10:17:11 -07:00
commit b6773cdb0e
18 changed files with 34 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
block/fops.c
View File

@ -163,7 +163,7 @@ static void blkdev_bio_end_io(struct bio *bio)
ret = blk_status_to_errno(dio->bio.bi_status);
}
dio->iocb->ki_complete(iocb, ret, 0);
dio->iocb->ki_complete(iocb, ret);
bio_put(&dio->bio);
} else {
struct task_struct *waiter = dio->waiter;
@ -295,7 +295,7 @@ static void blkdev_bio_end_io_async(struct bio *bio)
ret = blk_status_to_errno(bio->bi_status);
}
iocb->ki_complete(iocb, ret, 0);
iocb->ki_complete(iocb, ret);
if (dio->flags & DIO_SHOULD_DIRTY) {
bio_check_pages_dirty(bio);

2
crypto/af_alg.c
View File

@ -1076,7 +1076,7 @@ void af_alg_async_cb(struct crypto_async_request *_req, int err)
af_alg_free_resources(areq);
sock_put(sk);
iocb->ki_complete(iocb, err ? err : (int)resultlen, 0);
iocb->ki_complete(iocb, err ? err : (int)resultlen);
}
EXPORT_SYMBOL_GPL(af_alg_async_cb);

4
drivers/block/loop.c
View File

@ -382,7 +382,7 @@ static void lo_rw_aio_do_completion(struct loop_cmd *cmd)
blk_mq_complete_request(rq);
}
static void lo_rw_aio_complete(struct kiocb *iocb, long ret, long ret2)
static void lo_rw_aio_complete(struct kiocb *iocb, long ret)
{
struct loop_cmd *cmd = container_of(iocb, struct loop_cmd, iocb);
@ -455,7 +455,7 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
lo_rw_aio_do_completion(cmd);
if (ret != -EIOCBQUEUED)
cmd->iocb.ki_complete(&cmd->iocb, ret, 0);
lo_rw_aio_complete(&cmd->iocb, ret);
return 0;
}

4
drivers/nvme/target/io-cmd-file.c
View File

@ -125,7 +125,7 @@ static ssize_t nvmet_file_submit_bvec(struct nvmet_req *req, loff_t pos,
return call_iter(iocb, &iter);
}
static void nvmet_file_io_done(struct kiocb *iocb, long ret, long ret2)
static void nvmet_file_io_done(struct kiocb *iocb, long ret)
{
struct nvmet_req *req = container_of(iocb, struct nvmet_req, f.iocb);
u16 status = NVME_SC_SUCCESS;
@ -222,7 +222,7 @@ static bool nvmet_file_execute_io(struct nvmet_req *req, int ki_flags)
}
complete:
nvmet_file_io_done(&req->f.iocb, ret, 0);
nvmet_file_io_done(&req->f.iocb, ret);
return true;
}

4
drivers/target/target_core_file.c
View File

@ -245,7 +245,7 @@ struct target_core_file_cmd {
struct bio_vec bvecs[];
};
static void cmd_rw_aio_complete(struct kiocb *iocb, long ret, long ret2)
static void cmd_rw_aio_complete(struct kiocb *iocb, long ret)
{
struct target_core_file_cmd *cmd;
@ -303,7 +303,7 @@ fd_execute_rw_aio(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
ret = call_read_iter(file, &aio_cmd->iocb, &iter);
if (ret != -EIOCBQUEUED)
cmd_rw_aio_complete(&aio_cmd->iocb, ret, 0);
cmd_rw_aio_complete(&aio_cmd->iocb, ret);
return 0;
}

2
drivers/usb/gadget/function/f_fs.c
View File

@ -831,7 +831,7 @@ static void ffs_user_copy_worker(struct work_struct *work)
kthread_unuse_mm(io_data->mm);
}
io_data->kiocb->ki_complete(io_data->kiocb, ret, ret);
io_data->kiocb->ki_complete(io_data->kiocb, ret);
if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd)
eventfd_signal(io_data->ffs->ffs_eventfd, 1);

7
drivers/usb/gadget/legacy/inode.c
View File

@ -469,7 +469,7 @@ static void ep_user_copy_worker(struct work_struct *work)
ret = -EFAULT;
/* completing the iocb can drop the ctx and mm, don't touch mm after */
iocb->ki_complete(iocb, ret, ret);
iocb->ki_complete(iocb, ret);
kfree(priv->buf);
kfree(priv->to_free);
@ -496,11 +496,8 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req)
kfree(priv->to_free);
kfree(priv);
iocb->private = NULL;
/* aio_complete() reports bytes-transferred _and_ faults */
iocb->ki_complete(iocb,
req->actual ? req->actual : (long)req->status,
req->status);
req->actual ? req->actual : (long)req->status);
} else {
/* ep_copy_to_user() won't report both; we hide some faults */
if (unlikely(0 != req->status))

6
fs/aio.c
View File

@ -1417,7 +1417,7 @@ static void aio_remove_iocb(struct aio_kiocb *iocb)
spin_unlock_irqrestore(&ctx->ctx_lock, flags);
}
static void aio_complete_rw(struct kiocb *kiocb, long res, long res2)
static void aio_complete_rw(struct kiocb *kiocb, long res)
{
struct aio_kiocb *iocb = container_of(kiocb, struct aio_kiocb, rw);
@ -1437,7 +1437,7 @@ static void aio_complete_rw(struct kiocb *kiocb, long res, long res2)
}
iocb->ki_res.res = res;
iocb->ki_res.res2 = res2;
iocb->ki_res.res2 = 0;
iocb_put(iocb);
}
@ -1508,7 +1508,7 @@ static inline void aio_rw_done(struct kiocb *req, ssize_t ret)
ret = -EINTR;
fallthrough;
default:
req->ki_complete(req, ret, 0);
req->ki_complete(req, ret);
}
}

12
fs/cachefiles/io.c
View File

@ -37,11 +37,11 @@ static inline void cachefiles_put_kiocb(struct cachefiles_kiocb *ki)
/*
* Handle completion of a read from the cache.
*/
static void cachefiles_read_complete(struct kiocb *iocb, long ret, long ret2)
static void cachefiles_read_complete(struct kiocb *iocb, long ret)
{
struct cachefiles_kiocb *ki = container_of(iocb, struct cachefiles_kiocb, iocb);
_enter("%ld,%ld", ret, ret2);
_enter("%ld", ret);
if (ki->term_func) {
if (ret >= 0)
@ -139,7 +139,7 @@ static int cachefiles_read(struct netfs_cache_resources *cres,
fallthrough;
default:
ki->was_async = false;
cachefiles_read_complete(&ki->iocb, ret, 0);
cachefiles_read_complete(&ki->iocb, ret);
if (ret > 0)
ret = 0;
break;
@ -159,12 +159,12 @@ presubmission_error:
/*
* Handle completion of a write to the cache.
*/
static void cachefiles_write_complete(struct kiocb *iocb, long ret, long ret2)
static void cachefiles_write_complete(struct kiocb *iocb, long ret)
{
struct cachefiles_kiocb *ki = container_of(iocb, struct cachefiles_kiocb, iocb);
struct inode *inode = file_inode(ki->iocb.ki_filp);
_enter("%ld,%ld", ret, ret2);
_enter("%ld", ret);
/* Tell lockdep we inherited freeze protection from submission thread */
__sb_writers_acquired(inode->i_sb, SB_FREEZE_WRITE);
@ -244,7 +244,7 @@ static int cachefiles_write(struct netfs_cache_resources *cres,
fallthrough;
default:
ki->was_async = false;
cachefiles_write_complete(&ki->iocb, ret, 0);
cachefiles_write_complete(&ki->iocb, ret);
if (ret > 0)
ret = 0;
break;

2
fs/ceph/file.c
View File

@ -1022,7 +1022,7 @@ static void ceph_aio_complete(struct inode *inode,
ceph_put_cap_refs(ci, (aio_req->write ? CEPH_CAP_FILE_WR :
CEPH_CAP_FILE_RD));
aio_req->iocb->ki_complete(aio_req->iocb, ret, 0);
aio_req->iocb->ki_complete(aio_req->iocb, ret);
ceph_free_cap_flush(aio_req->prealloc_cf);
kfree(aio_req);

4
fs/cifs/file.c
View File

@ -3184,7 +3184,7 @@ restart_loop:
mutex_unlock(&ctx->aio_mutex);
if (ctx->iocb && ctx->iocb->ki_complete)
ctx->iocb->ki_complete(ctx->iocb, ctx->rc, 0);
ctx->iocb->ki_complete(ctx->iocb, ctx->rc);
else
complete(&ctx->done);
}
@ -3917,7 +3917,7 @@ again:
mutex_unlock(&ctx->aio_mutex);
if (ctx->iocb && ctx->iocb->ki_complete)
ctx->iocb->ki_complete(ctx->iocb, ctx->rc, 0);
ctx->iocb->ki_complete(ctx->iocb, ctx->rc);
else
complete(&ctx->done);
}

2
fs/direct-io.c
View File

@ -307,7 +307,7 @@ static ssize_t dio_complete(struct dio *dio, ssize_t ret, unsigned int flags)
if (ret > 0 && dio->op == REQ_OP_WRITE)
ret = generic_write_sync(dio->iocb, ret);
dio->iocb->ki_complete(dio->iocb, ret, 0);
dio->iocb->ki_complete(dio->iocb, ret);
}
kmem_cache_free(dio_cache, dio);

2
fs/fuse/file.c
View File

@ -687,7 +687,7 @@ static void fuse_aio_complete(struct fuse_io_priv *io, int err, ssize_t pos)
spin_unlock(&fi->lock);
}
io->iocb->ki_complete(io->iocb, res, 0);
io->iocb->ki_complete(io->iocb, res);
}
kref_put(&io->refcnt, fuse_io_release);

6
fs/io_uring.c
View File

@ -2666,7 +2666,7 @@ static void __io_complete_rw(struct io_kiocb *req, long res, long res2,
__io_req_complete(req, issue_flags, req->result, io_put_rw_kbuf(req));
}
static void io_complete_rw(struct kiocb *kiocb, long res, long res2)
static void io_complete_rw(struct kiocb *kiocb, long res)
{
struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb);
@ -2677,7 +2677,7 @@ static void io_complete_rw(struct kiocb *kiocb, long res, long res2)
io_req_task_work_add(req);
}
static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2)
static void io_complete_rw_iopoll(struct kiocb *kiocb, long res)
{
struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb);
@ -2884,7 +2884,7 @@ static inline void io_rw_done(struct kiocb *kiocb, ssize_t ret)
ret = -EINTR;
fallthrough;
default:
kiocb->ki_complete(kiocb, ret, 0);
kiocb->ki_complete(kiocb, ret);
}
}

2
fs/iomap/direct-io.c
View File

@ -125,7 +125,7 @@ static void iomap_dio_complete_work(struct work_struct *work)
struct iomap_dio *dio = container_of(work, struct iomap_dio, aio.work);
struct kiocb *iocb = dio->iocb;
iocb->ki_complete(iocb, iomap_dio_complete(dio), 0);
iocb->ki_complete(iocb, iomap_dio_complete(dio));
}
/*

2
fs/nfs/direct.c
View File

@ -275,7 +275,7 @@ static void nfs_direct_complete(struct nfs_direct_req *dreq)
res = (long) dreq->count;
WARN_ON_ONCE(dreq->count < 0);
}
dreq->iocb->ki_complete(dreq->iocb, res, 0);
dreq->iocb->ki_complete(dreq->iocb, res);
}
complete(&dreq->completion);

4
fs/overlayfs/file.c
View File

@ -272,14 +272,14 @@ static void ovl_aio_cleanup_handler(struct ovl_aio_req *aio_req)
kmem_cache_free(ovl_aio_request_cachep, aio_req);
}
static void ovl_aio_rw_complete(struct kiocb *iocb, long res, long res2)
static void ovl_aio_rw_complete(struct kiocb *iocb, long res)
{
struct ovl_aio_req *aio_req = container_of(iocb,
struct ovl_aio_req, iocb);
struct kiocb *orig_iocb = aio_req->orig_iocb;
ovl_aio_cleanup_handler(aio_req);
orig_iocb->ki_complete(orig_iocb, res, res2);
orig_iocb->ki_complete(orig_iocb, res);
}
static ssize_t ovl_read_iter(struct kiocb *iocb, struct iov_iter *iter)

2
include/linux/fs.h
View File

@ -330,7 +330,7 @@ struct kiocb {
randomized_struct_fields_start
loff_t ki_pos;
void (*ki_complete)(struct kiocb *iocb, long ret, long ret2);
void (*ki_complete)(struct kiocb *iocb, long ret);
void *private;
int ki_flags;
u16 ki_hint;