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NFSD: Constify @fh argument of knfsd_fh_hash()

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[ Upstream commit 1736aec82a15cb5d4b3bbe0b2fbae0ede66b1a1a ]

Enable knfsd_fh_hash() to be invoked in functions where the
filehandle pointer is a const.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Stable-dep-of: cd35b6cb4664 ("nfs: add missing selections of CONFIG_CRC32")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chuck Lever 2021-05-14 15:56:25 -04:00 • committed by Greg Kroah-Hartman
commit 052549f912
1 changed files with 2 additions and 5 deletions
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7
fs/nfsd/nfsfh.h
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@ -216,15 +216,12 @@ static inline bool fh_fsid_match(struct knfsd_fh *fh1, struct knfsd_fh *fh2)
* returns a crc32 hash for the filehandle that is compatible with
* the one displayed by "wireshark".
*/
static inline u32
knfsd_fh_hash(struct knfsd_fh *fh)
static inline u32 knfsd_fh_hash(const struct knfsd_fh *fh)
{
return ~crc32_le(0xFFFFFFFF, (unsigned char *)&fh->fh_base, fh->fh_size);
}
#else
static inline u32
knfsd_fh_hash(struct knfsd_fh *fh)
static inline u32 knfsd_fh_hash(const struct knfsd_fh *fh)
{
return 0;
}