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Re: [PATCH v2] contrib/vhost-user-blk: Replace lseek64 with lseek
From: |
Raphael Norwitz |
Subject: |
Re: [PATCH v2] contrib/vhost-user-blk: Replace lseek64 with lseek |
Date: |
Sun, 18 Dec 2022 22:24:22 +0000 |
> On Dec 19, 2022, at 12:07 AM, Khem Raj <raj.khem@gmail.com> wrote:
>
> 64bit off_t is already in use since build uses _FILE_OFFSET_BITS=64
> already. Using lseek/off_t also makes it work with latest musl without
> using _LARGEFILE64_SOURCE macro. This macro is implied with _GNU_SOURCE
> when using glibc but not with musl.
>
> Signed-off-by: Khem Raj <raj.khem@gmail.com>
> Cc: Michael S. Tsirkin <mst@redhat.com>
> CC: Raphael Norwitz <raphael.norwitz@nutanix.com>
> ---
> v2: Fix typo must->musl
>
> contrib/vhost-user-blk/vhost-user-blk.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/contrib/vhost-user-blk/vhost-user-blk.c
> b/contrib/vhost-user-blk/vhost-user-blk.c
> index aa99877fcd..7941694e53 100644
> --- a/contrib/vhost-user-blk/vhost-user-blk.c
> +++ b/contrib/vhost-user-blk/vhost-user-blk.c
> @@ -532,9 +532,9 @@ vub_get_blocksize(int fd)
> static void
> vub_initialize_config(int fd, struct virtio_blk_config *config)
> {
> - off64_t capacity;
> + off_t capacity;
>
> - capacity = lseek64(fd, 0, SEEK_END);
> + capacity = lseek(fd, 0, SEEK_END);
> config->capacity = capacity >> 9;
> config->blk_size = vub_get_blocksize(fd);
> config->size_max = 65536;
> --
> 2.39.0
>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>