diff options
Diffstat (limited to 'user/Maksym_Planeta.mdwn')
| -rw-r--r-- | user/Maksym_Planeta.mdwn | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/user/Maksym_Planeta.mdwn b/user/Maksym_Planeta.mdwn index 5d6025f6..d6a847b5 100644 --- a/user/Maksym_Planeta.mdwn +++ b/user/Maksym_Planeta.mdwn @@ -43,8 +43,15 @@ Probably pager_request shouldn't be stored because request may arrive from diffe TODO: During execution tmpfs hangs in random places. The most possible is variant is deadlocks, because nothing was undertaken for thread safety. +> Is this only a problem in your new *own pager* implementation, or also in the +> existing tmpfs implementation? --[[tschwinge]] + TODO: Make tmpfs use not more space than it was allowed. +> Is this only a problem in your new *own pager* implementation, or also in the +> existing tmpfs implementation? It is supposed to already obey this limit. +> --[[tschwinge]] + ### Make links work Symlinks behavior: [[links|http://www.bddebian.com:8888/~hurd-web/user/Maksym_Planeta/#links81111]] @@ -57,8 +64,21 @@ Probably pager_request shouldn't be stored because request may arrive from diffe TODO: Find out why and correct this. +> This may perhaps be the standard translator +> shutdown-after-a-period-of-inactivity functionality? This is of course not +> valid in the tmpfs case, as all its state (file system content) is not stored +> on any non-volatile backend. Can this auto-shutdown functionality be +> disabled (in [[hurd/libdiskfs]], perhaps? See `libdiskfs/init-first.c`, the +> call to `ports_manage_port_operations_multithread`, the `global_timeout` +> paramenter (see the [[hurd/reference_manual]]) (here: `server_timeout`). +> Probably this should be set to `0` in tmpfs to disable timing out? +> --[[tschwinge]] + ### Passive translator doesn't work +> Must be some bug: `diskfs_set_translator` is implemented in `node.c`, so this +> is supposed to work. --[[tschwinge]] + #Chalanges Translators vs FUSE: @@ -86,9 +106,20 @@ For debugging ext2fs: #Questions 1. What are sequence numbers? What are they used for? + +> See [[microkernel/mach/ipc/sequence_numbering]]. --[[tschwinge]] + 2. Is there any way to debug mach-defpager? When I set breakpoint to any function in it, pager never breaks. + +> Is that still an unresolved problem? If not, what was the problem? --[[tschwinge]] + 3. Is it normal that defpager panics and breaks on any wrong data? +> No server must ever panic (or reach any other invalid state), whichever input +> data it receives from untrusted sources (which may include every possible +> source). All input data must be checked for validity before use; anything +> else is a bug. --[[tschwinge]] + #Links 1. [[Cthreads manuals|http://www.cc.gatech.edu/classes/cs6432_99_winter/threads_man/]] |