diff options
| author | Tomohiro Kusumi <[email protected]> | 2019-05-29 07:31:39 +0900 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2019-05-28 15:31:38 -0700 |
| commit | 5691b86ce5e28fc551786bc97567c161ffc6c347 (patch) | |
| tree | 7cc5df6a6418ad3341613da397f8b980c55a2298 /lib/libzfs/libzfs_dataset.c | |
| parent | ab1a9705f8021fbbb816d6042b8b8f40f1bb3aaf (diff) | |
Refactor parent dataset handling in libzfs zfs_rename()
For recursive renaming, simplify the code by moving `zhrp` and
`parentname` to inner scope. `zhrp` is only used to test existence
of a parent dataset for recursive dataset dir scan since ba6a24026c.
Reviewed by: Brian Behlendorf <[email protected]>
Reviewed-by: Richard Laager <[email protected]>
Reviewed-by: Giuseppe Di Natale <[email protected]>
Signed-off-by: Tomohiro Kusumi <[email protected]>
Closes #8815
Diffstat (limited to 'lib/libzfs/libzfs_dataset.c')
| -rw-r--r-- | lib/libzfs/libzfs_dataset.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/lib/libzfs/libzfs_dataset.c b/lib/libzfs/libzfs_dataset.c index e26b32786..93af50b99 100644 --- a/lib/libzfs/libzfs_dataset.c +++ b/lib/libzfs/libzfs_dataset.c @@ -4470,8 +4470,6 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive, zfs_cmd_t zc = {"\0"}; char *delim; prop_changelist_t *cl = NULL; - zfs_handle_t *zhrp = NULL; - char *parentname = NULL; char parent[ZFS_MAX_DATASET_NAME_LEN]; libzfs_handle_t *hdl = zhp->zfs_hdl; char errbuf[1024]; @@ -4566,7 +4564,8 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive, } if (recursive) { - parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name); + zfs_handle_t *zhrp; + char *parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name); if (parentname == NULL) { ret = -1; goto error; @@ -4574,10 +4573,12 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive, delim = strchr(parentname, '@'); *delim = '\0'; zhrp = zfs_open(zhp->zfs_hdl, parentname, ZFS_TYPE_DATASET); + free(parentname); if (zhrp == NULL) { ret = -1; goto error; } + zfs_close(zhrp); } else if (zhp->zfs_type != ZFS_TYPE_SNAPSHOT) { if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, CL_GATHER_ITER_MOUNTED, @@ -4650,12 +4651,6 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive, } error: - if (parentname != NULL) { - free(parentname); - } - if (zhrp != NULL) { - zfs_close(zhrp); - } if (cl != NULL) { changelist_free(cl); } |