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nfsd4: remove redundant "if" in nfs4_preprocess_stateid_op

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Note that we exit this first big "if" with stp == NULL if and only if we
took the first branch; therefore, the second "if" is redundant, and we
can just combine the two, simplifying the logic.

Reviewed-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields 2009-02-21 11:14:43 -08:00
parent 0c2a498fa6
commit dc9bf700ed
1 changed files with 8 additions and 11 deletions
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19
fs/nfsd/nfs4state.c
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@ -2087,6 +2087,14 @@ nfs4_preprocess_stateid_op(struct svc_fh *current_fh, stateid_t *stateid, int fl
status = check_stateid_generation(stateid, stidp);
if (status)
goto out;
status = nfs4_check_delegmode(dp, flags);
if (status)
goto out;
renew_client(dp->dl_client);
if (flags & DELEG_RET)
unhash_delegation(dp);
if (filpp)
*filpp = dp->dl_vfs_file;
} else { /* open or lock stateid */
stp = find_stateid(stateid, flags);
if (!stp) {
@ -2101,23 +2109,12 @@ nfs4_preprocess_stateid_op(struct svc_fh *current_fh, stateid_t *stateid, int fl
status = check_stateid_generation(stateid, stidp);
if (status)
goto out;
}
if (stp) {
status = nfs4_check_openmode(stp, flags);
if (status)
goto out;
renew_client(stp->st_stateowner->so_client);
if (filpp)
*filpp = stp->st_vfs_file;
} else {
status = nfs4_check_delegmode(dp, flags);
if (status)
goto out;
renew_client(dp->dl_client);
if (flags & DELEG_RET)
unhash_delegation(dp);
if (filpp)
*filpp = dp->dl_vfs_file;
}
status = nfs_ok;
out: