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io_uring/cancel: get rid of init_hash_table() helper

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All it does is initialize the lists, just move the INIT_HLIST_HEAD()
into the one caller.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2024-09-30 14:30:39 -06:00
parent ba4366f57b
commit 8abf47a8d6
3 changed files with 3 additions and 10 deletions
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8
io_uring/cancel.c
View File

@ -232,14 +232,6 @@ int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags)
return IOU_OK; return IOU_OK;
} }
void init_hash_table(struct io_hash_table *table, unsigned size)
{
unsigned int i;
for (i = 0; i < size; i++)
INIT_HLIST_HEAD(&table->hbs[i].list);
}
static int __io_sync_cancel(struct io_uring_task *tctx, static int __io_sync_cancel(struct io_uring_task *tctx,
struct io_cancel_data *cd, int fd) struct io_cancel_data *cd, int fd)
{ {

1
io_uring/cancel.h
View File

@ -20,7 +20,6 @@ int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags);
int io_try_cancel(struct io_uring_task *tctx, struct io_cancel_data *cd, int io_try_cancel(struct io_uring_task *tctx, struct io_cancel_data *cd,
unsigned int issue_flags); unsigned int issue_flags);
void init_hash_table(struct io_hash_table *table, unsigned size);
int io_sync_cancel(struct io_ring_ctx *ctx, void __user *arg); int io_sync_cancel(struct io_ring_ctx *ctx, void __user *arg);
bool io_cancel_req_match(struct io_kiocb *req, struct io_cancel_data *cd); bool io_cancel_req_match(struct io_kiocb *req, struct io_cancel_data *cd);

4
io_uring/io_uring.c
View File

@ -263,13 +263,15 @@ static int io_alloc_hash_table(struct io_hash_table *table, unsigned bits)
{ {
unsigned hash_buckets = 1U << bits; unsigned hash_buckets = 1U << bits;
size_t hash_size = hash_buckets * sizeof(table->hbs[0]); size_t hash_size = hash_buckets * sizeof(table->hbs[0]);
int i;
table->hbs = kmalloc(hash_size, GFP_KERNEL); table->hbs = kmalloc(hash_size, GFP_KERNEL);
if (!table->hbs) if (!table->hbs)
return -ENOMEM; return -ENOMEM;
table->hash_bits = bits; table->hash_bits = bits;
init_hash_table(table, hash_buckets); for (i = 0; i < hash_buckets; i++)
INIT_HLIST_HEAD(&table->hbs[i].list);
return 0; return 0;
} }