diff options
| author | Jens Axboe <axboe@kernel.dk> | 2024-09-15 08:53:45 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-09-15 09:15:22 -0600 |
| commit | 9753c642a53bc4fbdef06d372d389dce7d8cddc2 (patch) | |
| tree | 7248fe2c5a1787092f7098b242beddddbe300989 /io_uring/fdinfo.c | |
| parent | 8b0c6025a02ddec2b497f83e7d2f27a07f1d0653 (diff) | |
io_uring/rsrc: change ubuf->ubuf_end to length tracking
If we change it to tracking ubuf->start + ubuf->len, then we can reduce
the size of struct io_mapped_ubuf by another 4 bytes, effectively 8
bytes, as a hole is eliminated too.
This shrinks io_mapped_ubuf to 32 bytes.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/fdinfo.c')
| -rw-r--r-- | io_uring/fdinfo.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/io_uring/fdinfo.c b/io_uring/fdinfo.c index d43e1b5fcb36..6b1247664b35 100644 --- a/io_uring/fdinfo.c +++ b/io_uring/fdinfo.c @@ -177,9 +177,8 @@ __cold void io_uring_show_fdinfo(struct seq_file *m, struct file *file) seq_printf(m, "UserBufs:\t%u\n", ctx->nr_user_bufs); for (i = 0; has_lock && i < ctx->nr_user_bufs; i++) { struct io_mapped_ubuf *buf = ctx->user_bufs[i]; - unsigned int len = buf->ubuf_end - buf->ubuf; - seq_printf(m, "%5u: 0x%llx/%u\n", i, buf->ubuf, len); + seq_printf(m, "%5u: 0x%llx/%u\n", i, buf->ubuf, buf->len); } if (has_lock && !xa_empty(&ctx->personalities)) { unsigned long index; |