@@ -15,6 +15,7 @@ common_SOURCES = \
ubifs-utils/common/key.h \
ubifs-utils/common/lpt.h \
ubifs-utils/common/lpt.c \
+ ubifs-utils/common/super.c \
ubifs-utils/common/sign.h \
include/mtd/ubifs-media.h
new file mode 100644
@@ -0,0 +1,123 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "defs.h"
+
+/**
+ * open_ubi - open the libubi.
+ * @c: the UBIFS file-system description object
+ * @node: name of the UBI volume character device to fetch information about
+ *
+ * This function opens libubi, and initialize device & volume information
+ * according to @node. Returns %0 in case of success and %-1 in case of failure.
+ */
+int open_ubi(struct ubifs_info *c, const char *node)
+{
+ struct stat st;
+
+ if (stat(node, &st) || !S_ISCHR(st.st_mode))
+ return -1;
+
+ c->libubi = libubi_open();
+ if (!c->libubi)
+ return -1;
+ if (ubi_get_vol_info(c->libubi, node, &c->vi))
+ goto out_err;
+ if (ubi_get_dev_info1(c->libubi, c->vi.dev_num, &c->di))
+ goto out_err;
+
+ return 0;
+
+out_err:
+ close_ubi(c);
+ return -1;
+}
+
+void close_ubi(struct ubifs_info *c)
+{
+ if (c->libubi) {
+ libubi_close(c->libubi);
+ c->libubi = NULL;
+ }
+}
+
+/**
+ * open_target - open the output target.
+ * @c: the UBIFS file-system description object
+ *
+ * Open the output target. The target can be an UBI volume
+ * or a file.
+ *
+ * Returns %0 in case of success and %-1 in case of failure.
+ */
+int open_target(struct ubifs_info *c)
+{
+ if (c->libubi) {
+ c->dev_fd = open(c->dev_name, O_RDWR | O_EXCL);
+
+ if (c->dev_fd == -1)
+ return sys_errmsg("cannot open the UBI volume '%s'",
+ c->dev_name);
+ if (ubi_set_property(c->dev_fd, UBI_VOL_PROP_DIRECT_WRITE, 1)) {
+ close(c->dev_fd);
+ return sys_errmsg("ubi_set_property(set direct_write) failed");
+ }
+ } else {
+ c->dev_fd = open(c->dev_name, O_CREAT | O_RDWR | O_TRUNC,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
+ if (c->dev_fd == -1)
+ return sys_errmsg("cannot create output file '%s'",
+ c->dev_name);
+ }
+ return 0;
+}
+
+
+/**
+ * close_target - close the output target.
+ * @c: the UBIFS file-system description object
+ *
+ * Close the output target. If the target was an UBI
+ * volume, also close libubi.
+ *
+ * Returns %0 in case of success and %-1 in case of failure.
+ */
+int close_target(struct ubifs_info *c)
+{
+ if (c->dev_fd >= 0) {
+ if (c->libubi && ubi_set_property(c->dev_fd, UBI_VOL_PROP_DIRECT_WRITE, 0))
+ return sys_errmsg("ubi_set_property(clear direct_write) failed");
+ if (close(c->dev_fd) == -1)
+ return sys_errmsg("cannot close the target '%s'", c->dev_name);
+ }
+ return 0;
+}
+
+/**
+ * check_volume_empty - check if the UBI volume is empty.
+ * @c: the UBIFS file-system description object
+ *
+ * This function checks if the UBI volume is empty by looking if its LEBs are
+ * mapped or not.
+ *
+ * Returns %0 in case of success, %1 is the volume is not empty,
+ * and a negative error code in case of failure.
+ */
+int check_volume_empty(struct ubifs_info *c)
+{
+ int lnum, err;
+
+ for (lnum = 0; lnum < c->vi.rsvd_lebs; lnum++) {
+ err = ubi_is_mapped(c->dev_fd, lnum);
+ if (err < 0)
+ return err;
+ if (err == 1)
+ return 1;
+ }
+ return 0;
+}
@@ -518,44 +518,6 @@ static long long get_bytes(const char *str)
return bytes;
}
-void close_ubi(struct ubifs_info *c)
-{
- if (c->libubi) {
- libubi_close(c->libubi);
- c->libubi = NULL;
- }
-}
-
-/**
- * open_ubi - open the libubi.
- * @c: the UBIFS file-system description object
- * @node: name of the UBI volume character device to fetch information about
- *
- * This function opens libubi, and initialize device & volume information
- * according to @node. Returns %0 in case of success and %-1 in case of failure.
- */
-int open_ubi(struct ubifs_info *c, const char *node)
-{
- struct stat st;
-
- if (stat(node, &st) || !S_ISCHR(st.st_mode))
- return -1;
-
- c->libubi = libubi_open();
- if (!c->libubi)
- return -1;
- if (ubi_get_vol_info(c->libubi, node, &c->vi))
- goto out_err;
- if (ubi_get_dev_info1(c->libubi, c->vi.dev_num, &c->di))
- goto out_err;
-
- return 0;
-
-out_err:
- close_ubi(c);
- return -1;
-}
-
static void select_default_compr(void)
{
if (c->encrypted) {
@@ -2821,82 +2783,6 @@ static int write_orphan_area(void)
}
/**
- * check_volume_empty - check if the UBI volume is empty.
- * @c: the UBIFS file-system description object
- *
- * This function checks if the UBI volume is empty by looking if its LEBs are
- * mapped or not.
- *
- * Returns %0 in case of success, %1 is the volume is not empty,
- * and a negative error code in case of failure.
- */
-int check_volume_empty(struct ubifs_info *c)
-{
- int lnum, err;
-
- for (lnum = 0; lnum < c->vi.rsvd_lebs; lnum++) {
- err = ubi_is_mapped(c->dev_fd, lnum);
- if (err < 0)
- return err;
- if (err == 1)
- return 1;
- }
- return 0;
-}
-
-/**
- * open_target - open the output target.
- * @c: the UBIFS file-system description object
- *
- * Open the output target. The target can be an UBI volume
- * or a file.
- *
- * Returns %0 in case of success and %-1 in case of failure.
- */
-int open_target(struct ubifs_info *c)
-{
- if (c->libubi) {
- c->dev_fd = open(c->dev_name, O_RDWR | O_EXCL);
-
- if (c->dev_fd == -1)
- return sys_errmsg("cannot open the UBI volume '%s'",
- c->dev_name);
- if (ubi_set_property(c->dev_fd, UBI_VOL_PROP_DIRECT_WRITE, 1)) {
- close(c->dev_fd);
- return sys_errmsg("ubi_set_property(set direct_write) failed");
- }
- } else {
- c->dev_fd = open(c->dev_name, O_CREAT | O_RDWR | O_TRUNC,
- S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
- if (c->dev_fd == -1)
- return sys_errmsg("cannot create output file '%s'",
- c->dev_name);
- }
- return 0;
-}
-
-
-/**
- * close_target - close the output target.
- * @c: the UBIFS file-system description object
- *
- * Close the output target. If the target was an UBI
- * volume, also close libubi.
- *
- * Returns %0 in case of success and %-1 in case of failure.
- */
-int close_target(struct ubifs_info *c)
-{
- if (c->dev_fd >= 0) {
- if (c->libubi && ubi_set_property(c->dev_fd, UBI_VOL_PROP_DIRECT_WRITE, 0))
- return sys_errmsg("ubi_set_property(clear direct_write) failed");
- if (close(c->dev_fd) == -1)
- return sys_errmsg("cannot close the target '%s'", c->dev_name);
- }
- return 0;
-}
-
-/**
* init - initialize things.
*/
static int init(void)
Move UBI opening/closing/volume_check_empty functions into common/super.c. These functions will be used in fsck. Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com> --- ubifs-utils/Makemodule.am | 1 + ubifs-utils/common/super.c | 123 ++++++++++++++++++++++++++++++++++++ ubifs-utils/mkfs.ubifs/mkfs.ubifs.c | 114 --------------------------------- 3 files changed, 124 insertions(+), 114 deletions(-) create mode 100644 ubifs-utils/common/super.c