[PATCHv2 0/3] reiser4: space grabbing fixes.

[Ivan Shapovalov <intelfx100@gmail.com>]

These are mostly equivalent transformations (aside from the first patch)
I've done when I was experimenting with rwsems at zero-th iteration of
batch discard support.

v2: - disable grab in current context unconditionally, not only if !BA_FORCE

Ivan Shapovalov (3):
  reiser4: block_alloc: improve error handling in reiser4_grab_reserved().
  reiser4: block_alloc: sanitize grab_enabled modifications.
  reiser4: do not mess with grab_enabled; instead, use BA_FORCE.

 fs/reiser4/block_alloc.c                 | 57 +++++++++++++++++---------------
 fs/reiser4/plugin/file/file.c            | 12 +++----
 fs/reiser4/plugin/file/file_conversion.c |  3 +-
 fs/reiser4/plugin/file/tail_conversion.c | 11 +++---
 fs/reiser4/plugin/item/extent_file_ops.c |  3 +-
 fs/reiser4/plugin/item/tail.c            |  3 +-
 fs/reiser4/safe_link.c                   |  4 +--
 7 files changed, 44 insertions(+), 49 deletions(-)

-- 
2.1.2