Andrew Kryczka f0c509e2c8 Return finer-granularity status from Env::GetChildren* ... Summary: It'd be nice to use the error status type to distinguish between user error and system error. For example, GetChildren can fail listing a backup directory's contents either because a bad path was provided (user error) or because an operation failed, e.g., a remote storage service call failed (system error). In the former case, we want to continue and treat the backup directory as empty; in the latter case, we want to immediately propagate the error to the caller. This diff uses NotFound to indicate user error and IOError to indicate system error. Previously IOError indicated both. Closes https://github.com/facebook/rocksdb/pull/1644 Differential Revision: D4312157 Pulled By: ajkr fbshipit-source-id: 51b4f24		2016-12-12 12:54:13 -08:00
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rocksdb	Return finer-granularity status from Env::GetChildren*	2016-12-12 12:54:13 -08:00