Update offline related new function for btrfs-property. Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx> --- v2: Seperated from previous patch. --- Documentation/btrfs-property.asciidoc | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/Documentation/btrfs-property.asciidoc b/Documentation/btrfs-property.asciidoc index 8b9b7f0..c7239ef 100644 --- a/Documentation/btrfs-property.asciidoc +++ b/Documentation/btrfs-property.asciidoc @@ -32,7 +32,8 @@ The '-t <type>' option can be used to explicitly specify what type of object you meant. This is only needed when a property could be set for more then one object type. + -Possible types are 's[ubvol]', 'f[ilesystem]', 'i[node]' and 'd[evice]'. +Possible types are 's[ubvol]', 'f[ilesystem]', 'i[node]', 'd[evice]' and +'o[ffline]'. + Set the name of property by '<name>'. If no '<name>' is specified, all properties for the given object are printed. '<name>' is one of @@ -44,6 +45,20 @@ label:::: label of device compression:::: compression setting for an inode: lzo, zlib, or "" (empty string) +fsid:::: +fsid for an offline btrfs: 36 bytes UUID string in `printf`(3) format: +"%08x-%04x-%04x-%04x-%012x" +chunk_tree_uuid:::: +chunk tree uuid for an offline btrfs: 36 bytes UUID, same as 'fsid'. + + +NOTE: To use 'fsid' and 'chunk_tree_uuid' in 'offline' type, '-t offline' must +be specified explicitly, as most offline operation are dangerous and user +should be aware of the danger. + +WARNING: If process of changing 'fsid' or 'chunk_tree_uuid' is canceled, the +filesystem will not be mountable as it is in a inconsistent status. To make it +mountable again, the uuid change needs to be reran and ensure it completes. *list* [-t <type>] <object>:: Lists available properties with their descriptions for the given object. -- 2.4.0 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
