[Bugs] [Bug 1560411] fallocate created data set is crossing storage reserve space limits resulting 100% brick full

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1560411

Worker Ant <bugzilla-bot at gluster.org> changed:

           What    |Removed                     |Added
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             Status|POST                        |MODIFIED



--- Comment #2 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: https://review.gluster.org/19771 committed in master by "Amar Tumballi"
<amarts at redhat.com> with a commit message- posix: reserve option behavior is
not correct while using fallocate

Problem: storage.reserve option is not working correctly while
         disk space is allocate throguh fallocate

Solution: In posix_disk_space_check_thread_proc after every 5 sec interval
          it calls posix_disk_space_check to monitor disk space and set the
          flag in posix priv.In 5 sec timestamp user can create big file with
          fallocate that can reach posix reserve limit and no error is shown on
          terminal even limit has reached.
          To resolve the same call posix_disk_space for every fallocate fop
          instead to call by a thread after 5 second

BUG: 1560411
Signed-off-by: Mohit Agrawal <moagrawa at redhat.com>
Change-Id: I39ba9390e2e6d084eedbf3bcf45cd6d708591577

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