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Diffstat (limited to 'hurd/interface/fs/14.mdwn')
| -rw-r--r-- | hurd/interface/fs/14.mdwn | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/hurd/interface/fs/14.mdwn b/hurd/interface/fs/14.mdwn index 85d8a73a..c93613d8 100644 --- a/hurd/interface/fs/14.mdwn +++ b/hurd/interface/fs/14.mdwn @@ -19,6 +19,35 @@ License|/fdl]]."]]"""]] Sync the entire filesystem. +# Implementation Examples + +Servers that either don't keep any unsynchronized state (or don't have a +backing store at all) can simply `return 0`. Examples: [[translator/nfs]]. + +The implementation typically doesn't care on which specific node (as exported +by the implementing server) [[`file_syncfs`|file_syncfs]] is being invoked on. + +## [[libtrivfs]] + +Invoke [[`file_sync`|file_sync]] on the underlying node. Rationale: the +underlying node represents this filesystem's backend, and once this node is +synchronized, the whole [[libtrivfs]]-based filesystem is to be considered +synchronized. + +### [[storeio]] / [[streamio]] + +Instead of the to underlying node, pass the call through to the backend +(device). + +## [[libnetfs]] + +Invoke `netfs_attempt_syncfs`. + +## [[libdiskfs]] + +Invoke [[`fsys_syncfs`|fsys_syncfs]] on all active children, and invoke +`diskfs_sync_everything` and `diskfs_set_hypermetadata`. + # Usage Examples ## [[glibc]] |