[PATCH-v2 0/2] lazytime bug fixes for 4.0

[Theodore Ts'o <tytso@mit.edu>]

Apologies for the delay, but Vault and LSF/MM kept me busy last week.
These patches fix the issues which Jan pointed out.  They aren't
serious; this fixes ab issue which might result in some timestamps
would end up becoming stale until the file system unmounted or
syncfs(2) is run on it.  Still, it's nice to fix them so the guarantee
is as they have been documented and as people would expect.

Theodore Ts'o (2):
  fs: make sure the timestamps for lazytime inodes eventually get
    written
  fs: add dirtytime_expire_seconds sysctl

 fs/fs-writeback.c         | 93 ++++++++++++++++++++++++++++++++++++++++++-----
 include/linux/fs.h        |  1 +
 include/linux/writeback.h |  3 ++
 kernel/sysctl.c           |  8 ++++
 4 files changed, 95 insertions(+), 10 deletions(-)

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2.3.0