Running MythTV on XFS? Noticed that all your recordings end up rather fragmented? (use xfs_bmap to find out) Well, the culprit is MythTV not being too nice to the file system. Good news is, it’s rather fixable.<\/p>\n
From the MythTV source code, edit libs\/libmythtv\/ThreadedFileWrite.cpp and look for the following:<\/p>\n
void ThreadedFileWriter::Sync(void)
\n{
\nif (fd >= 0)
\n{
\n#ifdef HAVE_FDATASYNC
\nfdatasync(fd);
\n#else
\nfsync(fd);
\n#endif
\n}
\n}
\nYou then want to, after the first squiggly bracket (a { ) put in a “return;” so that it looks like this:<\/p>\n
void ThreadedFileWriter::Sync(void)
\n{
\nreturn;
\nif (fd >= 0)
\n{
\n#ifdef HAVE_FDATASYNC
\nfdatasync(fd);
\n#else
\nfsync(fd);
\n#endif
\n}
\n}<\/p>\n
Recompile MythTV and go!<\/p>\n
(Before anybody says, yes – this patch could be neater and all that… I just haven’t had time yet).<\/p>\n","protected":false},"excerpt":{"rendered":"
Running MythTV on XFS? Noticed that all your recordings end up rather fragmented? (use xfs_bmap to find out) Well, the culprit is MythTV not being too nice to the file system. Good news is, it’s rather fixable. From the MythTV … Continue reading