Hi, We're working on a file system checker and have a question regarding what sys_sync actually does. It appears to us that sys_sync should sync both data and metadata, and wait until both data and metadata hit the disk before it returns. Is this true for all the file systems (especially ext2) for kernel 2.6.x? I've gotten many "error" traces for ext2, where directory entries are not flushed to disk after sys_sync. In other words, even if users do call sys_sync, a crash after sys_sync call can still cause file losses. Is this intended?
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