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ocfs2: make mlog_errno return the errno

Browse source 
ocfs2 does

        mlog_errno(v);
        return v;

in many places.  Change mlog_errno() so we can do

        return mlog_errno(v);

For some weird reason this patch reduces the size of ocfs2 by 6k:

  akpm3:/usr/src/25> size fs/ocfs2/ocfs2.ko
     text    data     bss     dec     hex filename
  1146613   82767  832192 2061572  1f7504 fs/ocfs2/ocfs2.ko-before
  1140857   82767  832192 2055816  1f5e88 fs/ocfs2/ocfs2.ko-after

[dan.carpenter@oracle.com: double evaluation concerns in mlog_errno()]
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: alex chen <alex.chen@huawei.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2015-04-14 15:43:52 -07:00 committed by Linus Torvalds
parent 2f2eca20a0
commit 1d5b897706
1 changed files with 3 additions and 2 deletions
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5
fs/ocfs2/cluster/masklog.h
View file

@ -196,13 +196,14 @@ extern struct mlog_bits mlog_and_bits, mlog_not_bits;
} \
} while (0)
#define mlog_errno(st) do { \
#define mlog_errno(st) ({ \
int _st = (st); \
if (_st != -ERESTARTSYS && _st != -EINTR && \
_st != AOP_TRUNCATED_PAGE && _st != -ENOSPC && \
_st != -EDQUOT) \
mlog(ML_ERROR, "status = %lld\n", (long long)_st); \
} while (0)
_st; \
})
#define mlog_bug_on_msg(cond, fmt, args...) do { \
if (cond) { \