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N.B. This means that you have to take very great care in the event that
you want to access the dcache tree from in kernel
o Added extra field to allow out of memory conditions to result in the
correct error code. (This hasn't received a lot of testing...)
I've ditched the final project (which would have cleared my whole list)
since its got other complications which I don't have time to fix right
now. Still as Meatloaf says, two out of three ain't bad!
o Created dmfs.h as a private header for the filesystem code
o Using seq_file.[ch] written by Al Viro as a generic mechanism for /proc
style files which have one record per line. We use a slight modification
here, so if you are using a recent -ac kernel you'll need to replace the
existing seq_file.[ch] with the ones here and do a bit of editing to make
it work. I'll submit the changes to Al Viro shortly as they are very
small and I think make sense generally.
o Using fail_writepage()
o Init code for filesystem now all in dmfs-super.c
o Some common code reduction amoung the dmfs-*.c files
o Auto allocation of major device number (default). You can specify a
particular major by using a module argument. If built in then you don't
get this option at the moment but it could be added if required.
o Hotplug support
o General tidying
o Updated projects.txt file
o Patches updated to 2.4.14
o Fixed to work with highmem
o Added dmfs private inode struct for lv and table directories
o Fixed a number of errors/typos
o Status file read returns 0 so we can leave this until we've actually got
something to report in this now.
o New locking on tables.... still some issues to be worked out here but
closer now I think.
o Now use mapping of table directory to hold pages rather than mapping of
table file inode. Need to write a note to myself to fix issues with the
file length at the same time....
Well thats enough for tonight I think. The error file will be part of
tomorrows work.
o dmfs-dir.c becomes dmfs-lv.c
o dmfs-file.c becomes dmfs-table.c
o A few tweeks and updates
The main reason for the slow progress on these files (which are not yet used
by the device mapper) is that we are working out what this interface should
look like as we go along.
Once this has evolved a bit further and in a state where it can be used we'll
announce it on the lists for further comment.
