[dpdk-dev] [PATCH] cfgfile: Fix for Reading Files on nfs filesystem.
Mrzyglod, DanielX T
danielx.t.mrzyglod at intel.com
Fri Jun 26 10:25:56 CEST 2015
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Daniel Mrzyglod
> Sent: Wednesday, June 24, 2015 6:16 PM
> To: dev at dpdk.org
> Subject: [dpdk-dev] [PATCH] cfgfile: Fix for Reading Files on nfs filesystem.
>
> The problem occure when we have config files on NFS filesystem.
> Solution with minimal change to library is to add buffer for I/O operations.
> Without buffering there is 3-10% of faulty Reading from NFS.
>
> The problem seems to be only NFS filesystem.
>
> Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod at intel.com>
> ---
> lib/librte_cfgfile/rte_cfgfile.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/lib/librte_cfgfile/rte_cfgfile.c b/lib/librte_cfgfile/rte_cfgfile.c
> index b81c273..6105e0c 100644
> --- a/lib/librte_cfgfile/rte_cfgfile.c
> +++ b/lib/librte_cfgfile/rte_cfgfile.c
> @@ -93,10 +93,13 @@ rte_cfgfile_load(const char *filename, int flags)
> int curr_section = -1;
> int curr_entry = -1;
> char buffer[256];
> + char f_streambuff[BUFSIZ];
> int lineno = 0;
> struct rte_cfgfile *cfg = NULL;
> + memset(f_streambuff,'\0',BUFSIZ);
>
> FILE *f = fopen(filename, "r");
> + setbuf( f, f_streambuff);
> if (f == NULL)
> return NULL;
>
> --
> 2.1.0
Self NACK
More information about the dev
mailing list