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nspawn: rename RemountIdmapFlags enum to RemountIdmapping

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This enum should be used to define various idmapping modes for bind
mounts which might be incompatible. Changing its name and the values
name to reflect that.
This commit is contained in:
Quentin Deslandes
2022-09-05 15:49:26 +01:00
parent 11749b6108
commit 1aa18710af
6 changed files with 25 additions and 22 deletions
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src/basic/user-util.h
+3 -3
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@@ -67,9 +67,9 @@ int take_etc_passwd_lock(const char *root);
#define UID_NOBODY ((uid_t) 65534U)
#define GID_NOBODY ((gid_t) 65534U)
/* If REMOUNT_IDMAP_HOST_ROOT is set for remount_idmap() we'll include a mapping here that maps the host root
* user accessing the idmapped mount to the this user ID on the backing fs. This is the last valid UID in the
* *signed* 32bit range. You might wonder why precisely use this specific UID for this purpose? Well, we
/* If REMOUNT_IDMAPPING_HOST_ROOT is set for remount_idmap() we'll include a mapping here that maps the host
* root user accessing the idmapped mount to the this user ID on the backing fs. This is the last valid UID in
* the *signed* 32bit range. You might wonder why precisely use this specific UID for this purpose? Well, we
* definitely cannot use the first 0…65536 UIDs for that, since in most cases that's precisely the file range
* we intend to map to some high UID range, and since UID mappings have to be bijective we thus cannot use
* them at all. Furthermore the UID range beyond INT32_MAX (i.e. the range above the signed 32bit range) is