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o Error file routines (initial idea)
o Various fixes for bugs
o Tidy a few things
o Added a bit of debugging code ready for when this gets tested
o get_exclusive_write_access() function which will get moved into namei.c
I hope (and rewritten accordingly), should this become the final version
used.
Still a few more areas need thinking about, but in general much closer now I
think. Last area to sort out before testing is the symlink code which is
pretty close now... just a few more checks needed and the actual calls to
the core code.
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 Redo write logic for table file
o Relax rules for symlink content by removing the rewriting function
Well I probably won't get a chance to work on this tomorrow, so this is my
changeset to date.
non-obvious, its time to simplify :-)
o Moving towards a simpler and more obviously correct interface
o Removed some fs operations in directories representing volumes
o Changed some file names
o Made things cleaner
more changes to follow...
o Changed dm_remove() to accept a struct mapped_device argument rather than
a name
o We no longer have to look up devices by name, the dcache handles that
nicely for us
o Fixed a bug where we were freeing a structure before we'd finished with
it.
o The name field in struct mapped_device is now only used in a very few
places in dm.c and will be replaced in future with a back reference to
the dentry rather than keeping the name in two places.
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.
