Zach Brown 995e43aa18 scoutfs: hold the alloc sem during truncate ...

The super info's alloc_rwsem protects the local node free segment and
block bitmap items.  The truncate code wasn't holding using the rwsem so
it could race with other local node allocator item users and corrupt the
bitmaps.  In the best case this could corrupt structures that trigger
EIO.  The corrupt items could also create duplicate block allocations
that clobber each other and corrupt data.

Signed-off-by: Zach Brown <zab@versity.com>

2018-03-16 09:18:50 -07:00

..

Documentation

Flesh out some pieces of the scoutfs.md doc

2017-04-18 13:51:10 -07:00

src

scoutfs: hold the alloc sem during truncate

2018-03-16 09:18:50 -07:00

.gitignore

Change docker container to versity/rpm-build

2017-12-12 11:43:09 -08:00

Makefile

scoutfs: simplify lock use of kernel dlm

2018-02-14 15:00:17 -08:00