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-rw-r--r--lib/libzfs/libzfs_util.c46
1 files changed, 30 insertions, 16 deletions
diff --git a/lib/libzfs/libzfs_util.c b/lib/libzfs/libzfs_util.c
index 9d68756be..678eeadc0 100644
--- a/lib/libzfs/libzfs_util.c
+++ b/lib/libzfs/libzfs_util.c
@@ -59,6 +59,31 @@ libzfs_errno(libzfs_handle_t *hdl)
}
const char *
+libzfs_error_init(int error)
+{
+ switch (error) {
+ case ENXIO:
+ return (dgettext(TEXT_DOMAIN, "The ZFS modules are not "
+ "loaded.\nTry running '/sbin/modprobe zfs' as root "
+ "to load them.\n"));
+ case ENOENT:
+ return (dgettext(TEXT_DOMAIN, "The /dev/zfs device is "
+ "missing and must be created.\nTry running 'udevadm "
+ "trigger' as root to create it.\n"));
+ case ENOEXEC:
+ return (dgettext(TEXT_DOMAIN, "The ZFS modules cannot be "
+ "auto-loaded.\nTry running '/sbin/modprobe zfs' as "
+ "root to manually load them.\n"));
+ case EACCES:
+ return (dgettext(TEXT_DOMAIN, "Permission denied the "
+ "ZFS utilities must be run as root.\n"));
+ default:
+ return (dgettext(TEXT_DOMAIN, "Failed to initialize the "
+ "libzfs library.\n"));
+ }
+}
+
+const char *
libzfs_error_action(libzfs_handle_t *hdl)
{
return (hdl->libzfs_action);
@@ -628,7 +653,7 @@ int
libzfs_run_process(const char *path, char *argv[], int flags)
{
pid_t pid;
- int rc, devnull_fd;
+ int error, devnull_fd;
pid = vfork();
if (pid == 0) {
@@ -650,9 +675,9 @@ libzfs_run_process(const char *path, char *argv[], int flags)
} else if (pid > 0) {
int status;
- while ((rc = waitpid(pid, &status, 0)) == -1 &&
+ while ((error = waitpid(pid, &status, 0)) == -1 &&
errno == EINTR);
- if (rc < 0 || !WIFEXITED(status))
+ if (error < 0 || !WIFEXITED(status))
return (-1);
return (WEXITSTATUS(status));
@@ -670,7 +695,7 @@ libzfs_run_process(const char *path, char *argv[], int flags)
* - ZFS_MODULE_LOADING="YES|yes|ON|on" - Attempt to load modules.
* - ZFS_MODULE_TIMEOUT="<seconds>" - Seconds to wait for ZFS_DEV
*/
-int
+static int
libzfs_load_module(const char *module)
{
char *argv[4] = {"/sbin/modprobe", "-q", (char *)module, (char *)0};
@@ -739,9 +764,7 @@ libzfs_init(void)
error = libzfs_load_module(ZFS_DRIVER);
if (error) {
- (void) fprintf(stderr, gettext("Failed to load ZFS module "
- "stack.\nLoad the module manually by running "
- "'insmod <location>/zfs.ko' as root.\n"));
+ errno = error;
return (NULL);
}
@@ -750,13 +773,6 @@ libzfs_init(void)
}
if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) {
- (void) fprintf(stderr, gettext("Unable to open %s: %s.\n"),
- ZFS_DEV, strerror(errno));
- if (errno == ENOENT)
- (void) fprintf(stderr,
- gettext("Verify the ZFS module stack is "
- "loaded by running '/sbin/modprobe zfs'.\n"));
-
free(hdl);
return (NULL);
}
@@ -767,8 +783,6 @@ libzfs_init(void)
if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
#endif
(void) close(hdl->libzfs_fd);
- (void) fprintf(stderr,
- gettext("mtab is not present at %s.\n"), MNTTAB);
free(hdl);
return (NULL);
}