On Fri, May 23, 2014 at 08:00:19PM +0800, Kinglong Mee wrote:
> Signed-off-by: Kinglong Mee <kinglongmee@xxxxxxxxx>
Applying with some minor fixups after xdr encoding stuff.
--b.
> ---
> fs/nfsd/export.c | 6 +++---
> fs/nfsd/export.h | 1 +
> fs/nfsd/nfs4xdr.c | 2 +-
> 3 files changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
> index 8771f41..90d37b6 100644
> --- a/fs/nfsd/export.c
> +++ b/fs/nfsd/export.c
> @@ -487,10 +487,10 @@ uuid_parse(char **mesg, char *buf, unsigned char **puuid)
>
> /* expect a 16 byte uuid encoded as \xXXXX... */
> len = qword_get(mesg, buf, PAGE_SIZE);
> - if (len != 16)
> + if (len != EX_UUID_LEN)
> return -EINVAL;
>
> - *puuid = kmemdup(buf, 16, GFP_KERNEL);
> + *puuid = kmemdup(buf, EX_UUID_LEN, GFP_KERNEL);
> if (*puuid == NULL)
> return -ENOMEM;
>
> @@ -663,7 +663,7 @@ static int svc_export_show(struct seq_file *m,
> if (exp->ex_uuid) {
> int i;
> seq_puts(m, ",uuid=");
> - for (i=0; i<16; i++) {
> + for (i = 0; i < EX_UUID_LEN; i++) {
> if ((i&3) == 0 && i)
> seq_putc(m, ':');
> seq_printf(m, "%02x", exp->ex_uuid[i]);
> diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h
> index d7939a6..c7d4ed0 100644
> --- a/fs/nfsd/export.h
> +++ b/fs/nfsd/export.h
> @@ -37,6 +37,7 @@ struct nfsd4_fs_locations {
> * spkm3i, and spkm3p (and using all 8 at once should be rare).
> */
> #define MAX_SECINFO_LIST 8
> +#define EX_UUID_LEN 16
>
> struct exp_flavor_info {
> u32 pseudoflavor;
> diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
> index 18881f3..071b0be 100644
> --- a/fs/nfsd/nfs4xdr.c
> +++ b/fs/nfsd/nfs4xdr.c
> @@ -2250,7 +2250,7 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
> WRITE32(MINOR(stat.dev));
> break;
> case FSIDSOURCE_UUID:
> - WRITEMEM(exp->ex_uuid, 16);
> + WRITEMEM(exp->ex_uuid, EX_UUID_LEN);
> break;
> }
> }
> --
> 1.9.0
>
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