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io_uring: define and set show_fdinfo only if procfs is enabled

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Follow the pattern used with other *_show_fdinfo functions and only
define and use io_uring_show_fdinfo and its helper functions if
CONFIG_PROC_FS is set.

Fixes: 87ce955b24 ("io_uring: add ->show_fdinfo() for the io_uring file descriptor")
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Tobias Klauser 2020-02-26 18:38:32 +01:00 committed by Jens Axboe
parent dd3db2a34c
commit bebdb65e07
1 changed files with 4 additions and 0 deletions
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4
fs/io_uring.c
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@ -6641,6 +6641,7 @@ out_fput:
return submitted ? submitted : ret;
}
#ifdef CONFIG_PROC_FS
static int io_uring_show_cred(int id, void *p, void *data)
{
const struct cred *cred = p;
@ -6714,6 +6715,7 @@ static void io_uring_show_fdinfo(struct seq_file *m, struct file *f)
percpu_ref_put(&ctx->refs);
}
}
#endif
static const struct file_operations io_uring_fops = {
.release = io_uring_release,
@ -6725,7 +6727,9 @@ static const struct file_operations io_uring_fops = {
#endif
.poll = io_uring_poll,
.fasync = io_uring_fasync,
#ifdef CONFIG_PROC_FS
.show_fdinfo = io_uring_show_fdinfo,
#endif
};
static int io_allocate_scq_urings(struct io_ring_ctx *ctx,