[0/3] squashfs: fix some regressions introduced in the readahead code

[Phillip Lougher]

Hi,

This patch-set fixes 3 regressions introduced by the recent readahead code.
The first regression is causing "snaps" to randomly fail after a couple of
hours or days, which how the regression came to light.

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Phillip Lougher (3):
      squashfs: fix read regression introduced in readahead code
      squashfs: fix extending readahead beyond end of file
      squashfs: fix buffer release race condition in readahead code

 fs/squashfs/file.c       | 23 ++++++++++++++---------
 fs/squashfs/page_actor.c |  3 +++
 fs/squashfs/page_actor.h |  6 +++++-
 3 files changed, 22 insertions(+), 10 deletions(-)