git: sbin/hammer: Refactor get_buffer()

[Tomohiro Kusumi]

commit ec458f1f2501a20d84a568f255306fac2055f27f
Author: Tomohiro Kusumi <kusumi.tomohiro at gmail.com>
Date:   Fri Mar 25 01:48:30 2016 +0900

    sbin/hammer: Refactor get_buffer()
    
    buf and buf->ondisk are allocated and freed at the same time.
    buf->ondisk is always NULL if buf hasn't existed, but
    buf->ondisk is never NULL if buf already exists.
    
    There isn't a situation where buf exists but buf->ondisk is
    not malloced or thrown away.

Summary of changes:
 sbin/hammer/ondisk.c | 35 ++++++++++++++++++-----------------
 1 file changed, 18 insertions(+), 17 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/ec458f1f2501a20d84a568f255306fac2055f27f


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