| Message ID | 20191003232902.16332-1-lsahlber@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | smbinfo: Add SETCOMPRESSION support | expand |
Merged, thanks! Best regards, Pavel Shilovsky -----Original Message----- From: Ronnie Sahlberg <lsahlber@redhat.com> Sent: Thursday, October 3, 2019 4:29 PM To: linux-cifs <linux-cifs@vger.kernel.org> Cc: Pavel Shilovskiy <pshilov@microsoft.com>; Ronnie Sahlberg <lsahlber@redhat.com> Subject: [PATCH] smbinfo: Add SETCOMPRESSION support Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> --- smbinfo.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++- smbinfo.rst | 2 ++ 2 files changed, 49 insertions(+), 1 deletion(-) diff --git a/smbinfo.c b/smbinfo.c index b4d497b..049a4f2 100644 --- a/smbinfo.c +++ b/smbinfo.c @@ -91,6 +91,8 @@ 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 <no|default|lznt1>:\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" @@ -299,6 +301,30 @@ 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; @@ -1126,17 +1152,35 @@ list_snapshots(int f) free(buf); } +static int +parse_compression(const char *arg) +{ + if (!strcmp(arg, "no")) + return 0; + else if (!strcmp(arg, "default")) + return 1; + else if (!strcmp(arg, "lznt1")) + return 2; + + fprintf(stderr, "compression must be no|default|lznt1\n"); + exit(10); +} + int main(int argc, char *argv[]) { int c; int f; + int compression = 1; if (argc < 2) { short_usage(argv[0]); } - while ((c = getopt_long(argc, argv, "vVh", NULL, NULL)) != -1) { + while ((c = getopt_long(argc, argv, "c:vVh", NULL, NULL)) != -1) { switch (c) { + case 'c': + compression = parse_compression(optarg); + break; case 'v': printf("smbinfo version %s\n", VERSION); return 0; @@ -1183,6 +1227,8 @@ int main(int argc, char *argv[]) fsctlgetobjid(f); else if (!strcmp(argv[optind], "getcompression")) getcompression(f); + else if (!strcmp(argv[optind], "setcompression")) + setcompression(f, compression); 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 500ce0e..c8f76e6 100644 --- a/smbinfo.rst +++ b/smbinfo.rst @@ -69,6 +69,8 @@ COMMAND `getcompression`: Prints the compression setting for the file. +`setcompression -c <no|default|lznt1>`: Sets the compression setting for the file. + `list-snapshots`: Lists the previous versions of the volume that backs this file `quota`: Print the quota for the volume in the form -- 2.13.6
diff --git a/smbinfo.c b/smbinfo.c index b4d497b..049a4f2 100644 --- a/smbinfo.c +++ b/smbinfo.c @@ -91,6 +91,8 @@ 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 <no|default|lznt1>:\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" @@ -299,6 +301,30 @@ 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; @@ -1126,17 +1152,35 @@ list_snapshots(int f) free(buf); } +static int +parse_compression(const char *arg) +{ + if (!strcmp(arg, "no")) + return 0; + else if (!strcmp(arg, "default")) + return 1; + else if (!strcmp(arg, "lznt1")) + return 2; + + fprintf(stderr, "compression must be no|default|lznt1\n"); + exit(10); +} + int main(int argc, char *argv[]) { int c; int f; + int compression = 1; if (argc < 2) { short_usage(argv[0]); } - while ((c = getopt_long(argc, argv, "vVh", NULL, NULL)) != -1) { + while ((c = getopt_long(argc, argv, "c:vVh", NULL, NULL)) != -1) { switch (c) { + case 'c': + compression = parse_compression(optarg); + break; case 'v': printf("smbinfo version %s\n", VERSION); return 0; @@ -1183,6 +1227,8 @@ int main(int argc, char *argv[]) fsctlgetobjid(f); else if (!strcmp(argv[optind], "getcompression")) getcompression(f); + else if (!strcmp(argv[optind], "setcompression")) + setcompression(f, compression); 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 500ce0e..c8f76e6 100644 --- a/smbinfo.rst +++ b/smbinfo.rst @@ -69,6 +69,8 @@ COMMAND `getcompression`: Prints the compression setting for the file. +`setcompression -c <no|default|lznt1>`: Sets the compression setting for the file. + `list-snapshots`: Lists the previous versions of the volume that backs this file `quota`: Print the quota for the volume in the form
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> --- smbinfo.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++- smbinfo.rst | 2 ++ 2 files changed, 49 insertions(+), 1 deletion(-)