Add linux kernel device support

[zfs.git] / lib / libzfs / libzfs_diff.c

diff --git a/lib/libzfs/libzfs_diff.c b/lib/libzfs/libzfs_diff.c
index 4614526..31e18aa 100644 (file)
--- a/lib/libzfs/libzfs_diff.c
+++ b/lib/libzfs/libzfs_diff.c
@@ -90,7 +90,7 @@ static int
 get_stats_for_obj(differ_info_t *di, const char *dsname, uint64_t obj,
     char *pn, int maxlen, zfs_stat_t *sb)
 {
-       zfs_cmd_t zc = { 0 };
+       zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
        int error;
 
        (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name));
@@ -346,7 +346,7 @@ write_inuse_diffs(FILE *fp, differ_info_t *di, dmu_diff_record_t *dr)
        int err;
 
        for (o = dr->ddr_first; o <= dr->ddr_last; o++) {
-               if (err = write_inuse_diffs_one(fp, di, o))
+               if ((err = write_inuse_diffs_one(fp, di, o)))
                        return (err);
        }
        return (0);
@@ -375,7 +375,7 @@ describe_free(FILE *fp, differ_info_t *di, uint64_t object, char *namebuf,
 static int
 write_free_diffs(FILE *fp, differ_info_t *di, dmu_diff_record_t *dr)
 {
-       zfs_cmd_t zc = { 0 };
+       zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
        libzfs_handle_t *lhdl = di->zhp->zfs_hdl;
        char fobjname[MAXPATHLEN];
 
@@ -503,7 +503,7 @@ static int
 make_temp_snapshot(differ_info_t *di)
 {
        libzfs_handle_t *hdl = di->zhp->zfs_hdl;
-       zfs_cmd_t zc = { 0 };
+       zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 
        (void) snprintf(zc.zc_value, sizeof (zc.zc_value),
            ZDIFF_PREFIX, getpid());
@@ -726,7 +726,7 @@ setup_differ_info(zfs_handle_t *zhp, const char *fromsnap,
 {
        di->zhp = zhp;
 
-       di->cleanupfd = open(ZFS_DEV, O_RDWR|O_EXCL);
+       di->cleanupfd = open(ZFS_DEV, O_RDWR);
        VERIFY(di->cleanupfd >= 0);
 
        if (get_snapshot_names(di, fromsnap, tosnap) != 0)
@@ -745,7 +745,7 @@ int
 zfs_show_diffs(zfs_handle_t *zhp, int outfd, const char *fromsnap,
     const char *tosnap, int flags)
 {
-       zfs_cmd_t zc = { 0 };
+       zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
        char errbuf[1024];
        differ_info_t di = { 0 };
        pthread_t tid;