ср, 10 апр. 2019 г. в 19:24, Ronnie Sahlberg <lsahlber@xxxxxxxxxx>:
>
> Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
> ---
> smbinfo.c | 28 ++++++++++++++++++++++++++++
> smbinfo.rst | 5 +++++
> 2 files changed, 33 insertions(+)
>
> diff --git a/smbinfo.c b/smbinfo.c
> index db569b2..b87cca4 100644
> --- a/smbinfo.c
> +++ b/smbinfo.c
> @@ -89,6 +89,8 @@ usage(char *name)
> " Prints the objectid of the file and GUID of the underlying volume.\n"
> " getcompression:\n"
> " Prints the compression setting for the file.\n"
> + " setcompression <0|1|2>:\n"
> + " Sets the compression level for the file.\n"
> " list-snapshots:\n"
> " List the previous versions of the volume that backs this file.\n"
> " quota:\n"
> @@ -289,6 +291,30 @@ getcompression(int f)
> }
>
> static void
> +setcompression(int f, uint16_t level)
> +{
> + struct smb_query_info *qi;
> +
> + qi = malloc(sizeof(struct smb_query_info) + 2);
> + memset(qi, 0, sizeof(qi) + 2);
> + qi->info_type = 0x9c040;
> + qi->file_info_class = 0;
> + qi->additional_information = 0;
> + qi->output_buffer_length = 2;
> + qi->flags = PASSTHRU_FSCTL;
> +
> + level = htole16(level);
> + memcpy(&qi[1], &level, 2);
> +
> + if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
> + fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
> + exit(1);
> + }
> +
> + free(qi);
> +}
> +
> +static void
> print_fileaccessinfo(uint8_t *sd, int type)
> {
> uint32_t access_flags;
> @@ -1166,6 +1192,8 @@ int main(int argc, char *argv[])
> fsctlgetobjid(f);
> else if (!strcmp(argv[optind], "getcompression"))
> getcompression(f);
> + else if (!strcmp(argv[optind], "setcompression"))
> + setcompression(f, strtol(argv[optind + 2], NULL, 10));
> else if (!strcmp(argv[optind], "list-snapshots"))
> list_snapshots(f);
> else if (!strcmp(argv[optind], "quota"))
> diff --git a/smbinfo.rst b/smbinfo.rst
> index ca99b07..af97b7f 100644
> --- a/smbinfo.rst
> +++ b/smbinfo.rst
> @@ -66,6 +66,11 @@ COMMAND
>
> `getcompression`: Prints the compression setting for the file.
>
> +`setcompression <0|1|2>`: Sets the compression setting for the file.
> +- 0 No compression
> +- 1 Default compression
> +- 2 LZNT1
0, 1 and 2 don't look obvious, how about "no", "default", "lznt1"?
--
Best regards,
Pavel Shilovsky
