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premiere-libtorrent
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use O_SYNC when available

This commit is contained in:
Arvid Norberg 2015-01-07 23:21:54 +00:00
parent 774c3b536a
commit c9903bdaf2
2 changed files with 4 additions and 5 deletions
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6
include/libtorrent/settings_pack.hpp
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@ -941,11 +941,7 @@ namespace libtorrent
// disabled, enabling this may reduce performance. // disabled, enabling this may reduce performance.
// //
// One reason to disable caching is that it may help the operating // One reason to disable caching is that it may help the operating
// system from growing its file cache indefinitely. Since some OSes // system from growing its file cache indefinitely.
// only allow aligned files to be opened in unbuffered mode, It is
// recommended to make the largest file in a torrent the first file
// (with offset 0) or use pad files to align all files to piece
// boundries.
disk_io_write_mode, disk_io_write_mode,
disk_io_read_mode, disk_io_read_mode,

3
src/file.cpp
View File

@ -1308,6 +1308,9 @@ namespace libtorrent
#endif #endif
#ifdef O_DIRECT #ifdef O_DIRECT
| ((mode & direct_io) ? O_DIRECT : 0) | ((mode & direct_io) ? O_DIRECT : 0)
#endif
#ifdef O_SYNC
| ((mode & no_cache) ? O_SYNC: 0)
#endif #endif
, permissions); , permissions);