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nfsd: add fh_fsid_match helper 

Add a helper to check that the fsid parts of two file handles match.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2014-08-13 20:56:13 +02:00
parent 4d94c2ef20
commit 9558f2500a
1 changed files with 9 additions and 0 deletions
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9
fs/nfsd/nfsfh.h
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@ -196,6 +196,15 @@ static inline bool fh_match(struct knfsd_fh *fh1, struct knfsd_fh *fh2)
return true; return true;
} }
static inline bool fh_fsid_match(struct knfsd_fh *fh1, struct knfsd_fh *fh2)
{
if (fh1->fh_fsid_type != fh2->fh_fsid_type)
return false;
if (memcmp(fh1->fh_fsid, fh2->fh_fsid, key_len(fh1->fh_fsid_type) != 0))
return false;
return true;
}
#ifdef CONFIG_NFSD_V3 #ifdef CONFIG_NFSD_V3
/* /*
* The wcc data stored in current_fh should be cleared * The wcc data stored in current_fh should be cleared