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xfs: avoid redundant checks when options is empty

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When options passed to xfs_parseargs() is NULL the checks performed
after taking the branch are made with the initial values of dsunit,
dswidth and iosizelog. But all the checks do nothing in this case
so return immediately instead.

Signed-off-by: Ian Kent <raven@themaw.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Ian Kent 2019-11-04 13:58:44 -08:00 committed by Darrick J. Wong
parent c0a6791667
commit 846410ccd1
1 changed files with 1 additions and 2 deletions
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3
fs/xfs/xfs_super.c
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@ -199,7 +199,7 @@ xfs_parseargs(
mp->m_allocsize_log = 16; /* 64k */
if (!options)
goto done;
return 0;
while ((p = strsep(&options, ",")) != NULL) {
int token;
@ -379,7 +379,6 @@ xfs_parseargs(
return -EINVAL;
}
done:
if (mp->m_logbufs != -1 &&
mp->m_logbufs != 0 &&
(mp->m_logbufs < XLOG_MIN_ICLOGS ||