diff options
| -rw-r--r-- | Documentation/device-mapper/thin-provisioning.txt | 10 | ||||
| -rw-r--r-- | drivers/md/dm-thin.c | 2 |
2 files changed, 1 insertions, 11 deletions
diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt index 1ff044d87ca..da50347c005 100644 --- a/Documentation/device-mapper/thin-provisioning.txt +++ b/Documentation/device-mapper/thin-provisioning.txt @@ -237,16 +237,6 @@ iii) Messages Deletes a thin device. Irreversible. - trim <dev id> <new size in sectors> - - Delete mappings from the end of a thin device. Irreversible. - You might want to use this if you're reducing the size of - your thinly-provisioned device. In many cases, due to the - sharing of blocks between devices, it is not possible to - determine in advance how much space 'trim' will release. (In - future a userspace tool might be able to perform this - calculation.) - set_transaction_id <current id> <new id> Userland volume managers, such as LVM, need a way to diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index da2f0217df6..1791134cf47 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -72,7 +72,7 @@ * missed out if the io covers the block. (schedule_copy). * * iv) insert the new mapping into the origin's btree - * (process_prepared_mappings). This act of inserting breaks some + * (process_prepared_mapping). This act of inserting breaks some * sharing of btree nodes between the two devices. Breaking sharing only * effects the btree of that specific device. Btrees for the other * devices that share the block never change. The btree for the origin |