diff options
-rw-r--r-- | qga/commands-posix.c | 32 | ||||
-rw-r--r-- | qga/commands-win32.c | 9 | ||||
-rw-r--r-- | qga/qapi-schema.json | 17 |
3 files changed, 57 insertions, 1 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 8e6272c5a2..883e3c50fd 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -710,13 +710,21 @@ GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) return GUEST_FSFREEZE_STATUS_THAWED; } +int64_t qmp_guest_fsfreeze_freeze(Error **errp) +{ + return qmp_guest_fsfreeze_freeze_list(false, NULL, errp); +} + /* * Walk list of mounted file systems in the guest, and freeze the ones which * are real local file systems. */ -int64_t qmp_guest_fsfreeze_freeze(Error **errp) +int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, + strList *mountpoints, + Error **errp) { int ret = 0, i = 0; + strList *list; FsMountList mounts; struct FsMount *mount; Error *local_err = NULL; @@ -741,6 +749,19 @@ int64_t qmp_guest_fsfreeze_freeze(Error **errp) ga_set_frozen(ga_state); QTAILQ_FOREACH_REVERSE(mount, &mounts, FsMountList, next) { + /* To issue fsfreeze in the reverse order of mounts, check if the + * mount is listed in the list here */ + if (has_mountpoints) { + for (list = mountpoints; list; list = list->next) { + if (strcmp(list->value, mount->dirname) == 0) { + break; + } + } + if (!list) { + continue; + } + } + fd = qemu_open(mount->dirname, O_RDONLY); if (fd == -1) { error_setg_errno(errp, errno, "failed to open %s", mount->dirname); @@ -1474,6 +1495,15 @@ int64_t qmp_guest_fsfreeze_freeze(Error **errp) return 0; } +int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, + strList *mountpoints, + Error **errp) +{ + error_set(errp, QERR_UNSUPPORTED); + + return 0; +} + int64_t qmp_guest_fsfreeze_thaw(Error **errp) { error_set(errp, QERR_UNSUPPORTED); diff --git a/qga/commands-win32.c b/qga/commands-win32.c index e76939651a..94877e9326 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -206,6 +206,15 @@ error: return 0; } +int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, + strList *mountpoints, + Error **errp) +{ + error_set(errp, QERR_UNSUPPORTED); + + return 0; +} + /* * Thaw local file systems using Volume Shadow-copy Service. */ diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json index a8cdcb35c4..14b2aec69f 100644 --- a/qga/qapi-schema.json +++ b/qga/qapi-schema.json @@ -387,6 +387,23 @@ 'returns': 'int' } ## +# @guest-fsfreeze-freeze-list: +# +# Sync and freeze specified guest filesystems +# +# @mountpoints: #optional an array of mountpoints of filesystems to be frozen. +# If omitted, every mounted filesystem is frozen. +# +# Returns: Number of file systems currently frozen. On error, all filesystems +# will be thawed. +# +# Since: 2.2 +## +{ 'command': 'guest-fsfreeze-freeze-list', + 'data': { '*mountpoints': ['str'] }, + 'returns': 'int' } + +## # @guest-fsfreeze-thaw: # # Unfreeze all frozen guest filesystems |