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authorMarc-André Lureau <marcandre.lureau@redhat.com>2017-04-03 11:54:38 +0200
committerMichael Roth <mdroth@linux.vnet.ibm.com>2017-04-26 23:56:47 -0500
commit1dbfbc17fe783e34644daf4abbb8f4e17344abcd (patch)
tree97578626a640cd2c0a0b75dd559f8fc5d721f601 /qga
parent0a3d197a71b0508f5ca066488fbbbe45a61c44fe (diff)
downloadqemu-1dbfbc17fe783e34644daf4abbb8f4e17344abcd.tar.gz
qga: improve fsfreeze documentations
Some users find the fsfreeze behaviour confusing. Add some notes about invalid mount points and Windows usage. Related to: https://bugzilla.redhat.com/show_bug.cgi?id=1436976 Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Vinzenz Feenstra <vfeenstr@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Diffstat (limited to 'qga')
-rw-r--r--qga/qapi-schema.json12
1 files changed, 10 insertions, 2 deletions
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index 6307ae20fe..0f4cba5dc3 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -426,7 +426,13 @@
##
# @guest-fsfreeze-freeze:
#
-# Sync and freeze all freezable, local guest filesystems
+# Sync and freeze all freezable, local guest filesystems. If this
+# command succeeded, you may call @guest-fsfreeze-thaw later to
+# unfreeze.
+#
+# Note: On Windows, the command is implemented with the help of a
+# Volume Shadow-copy Service DLL helper. The frozen state is limited
+# for up to 10 seconds by VSS.
#
# Returns: Number of file systems currently frozen. On error, all filesystems
# will be thawed.
@@ -439,10 +445,12 @@
##
# @guest-fsfreeze-freeze-list:
#
-# Sync and freeze specified guest filesystems
+# Sync and freeze specified guest filesystems.
+# See also @guest-fsfreeze-freeze.
#
# @mountpoints: an array of mountpoints of filesystems to be frozen.
# If omitted, every mounted filesystem is frozen.
+# Invalid mount points are ignored.
#
# Returns: Number of file systems currently frozen. On error, all filesystems
# will be thawed.