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Spin-off syscall-related file operations (#78)

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* [file_utils] spin-off syscall-related file operations

1. Eliminate the potential circular dependency between
   persistent-data/block.h and persistent-data/file_utils.h,
   if the former one wants to include the latter.
2. Avoid namespace pollution by removing the "using namespace std"
   declaration in block.tcc.
3. Correct the header hierarchy: base/xml_utils.h now no longer
   depends on the higher-level persistent-data/file_utils.h

* [file_utils] support block files in get_file_length()
This commit is contained in:
Ming-Hung Tsai
2017-04-30 01:51:52 +08:00
committed by Joe Thornber
parent 8f25e1b234
commit b7d418131d
20 changed files with 210 additions and 191 deletions
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6
persistent-data/file_utils.h
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@ -9,13 +9,11 @@
// FIXME: move to a different unit
namespace persistent_data {
persistent_data::block_address get_nr_blocks(string const &path, sector_t block_size = MD_BLOCK_SIZE);
block_address get_nr_metadata_blocks(string const &path);
persistent_data::block_address get_nr_blocks(std::string const &path, sector_t block_size = MD_BLOCK_SIZE);
block_address get_nr_metadata_blocks(std::string const &path);
block_manager<>::ptr open_bm(std::string const &dev_path,
block_manager<>::mode m, bool excl = true);
void check_file_exists(std::string const &file);
}
//----------------------------------------------------------------