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nfsd: fi_delegees doesn't need to be an atomic_t 

fi_delegees is always handled under the fi_lock, so there's no need to
use an atomic_t for this field.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Jeff Layton 2014-12-13 09:11:40 -05:00 committed by J. Bruce Fields
parent 49a068f82a
commit 67db103448
2 changed files with 5 additions and 5 deletions
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8
fs/nfsd/nfs4state.c
View File

@ -688,7 +688,7 @@ static void nfs4_put_deleg_lease(struct nfs4_file *fp)
struct file *filp = NULL; struct file *filp = NULL;
spin_lock(&fp->fi_lock); spin_lock(&fp->fi_lock);
if (fp->fi_deleg_file && atomic_dec_and_test(&fp->fi_delegees)) if (fp->fi_deleg_file && --fp->fi_delegees == 0)
swap(filp, fp->fi_deleg_file); swap(filp, fp->fi_deleg_file);
spin_unlock(&fp->fi_lock); spin_unlock(&fp->fi_lock);
@ -3855,12 +3855,12 @@ static int nfs4_setlease(struct nfs4_delegation *dp)
/* Race breaker */ /* Race breaker */
if (fp->fi_deleg_file) { if (fp->fi_deleg_file) {
status = 0; status = 0;
atomic_inc(&fp->fi_delegees); ++fp->fi_delegees;
hash_delegation_locked(dp, fp); hash_delegation_locked(dp, fp);
goto out_unlock; goto out_unlock;
} }
fp->fi_deleg_file = filp; fp->fi_deleg_file = filp;
atomic_set(&fp->fi_delegees, 1); fp->fi_delegees = 1;
hash_delegation_locked(dp, fp); hash_delegation_locked(dp, fp);
spin_unlock(&fp->fi_lock); spin_unlock(&fp->fi_lock);
spin_unlock(&state_lock); spin_unlock(&state_lock);
@ -3901,7 +3901,7 @@ nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh,
status = -EAGAIN; status = -EAGAIN;
goto out_unlock; goto out_unlock;
} }
atomic_inc(&fp->fi_delegees); ++fp->fi_delegees;
hash_delegation_locked(dp, fp); hash_delegation_locked(dp, fp);
status = 0; status = 0;
out_unlock: out_unlock:

2
fs/nfsd/state.h
View File

@ -493,7 +493,7 @@ struct nfs4_file {
atomic_t fi_access[2]; atomic_t fi_access[2];
u32 fi_share_deny; u32 fi_share_deny;
struct file *fi_deleg_file; struct file *fi_deleg_file;
atomic_t fi_delegees; int fi_delegees;
struct knfsd_fh fi_fhandle; struct knfsd_fh fi_fhandle;
bool fi_had_conflict; bool fi_had_conflict;
}; };