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-rw-r--r--fs/nfsd/nfs4proc.c4
-rw-r--r--fs/nfsd/vfs.c34
-rw-r--r--fs/nfsd/vfs.h10
3 files changed, 29 insertions, 19 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index fa38336..c5e28ed8 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -838,7 +838,7 @@ nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
return status;
}
}
- status = mnt_want_write(cstate->current_fh.fh_export->ex_path.mnt);
+ status = fh_want_write(&cstate->current_fh);
if (status)
return status;
status = nfs_ok;
@@ -856,7 +856,7 @@ nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
status = nfsd_setattr(rqstp, &cstate->current_fh, &setattr->sa_iattr,
0, (time_t)0);
out:
- mnt_drop_write(cstate->current_fh.fh_export->ex_path.mnt);
+ fh_drop_write(&cstate->current_fh);
return status;
}
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 7a2e442..29b1202 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1300,7 +1300,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
goto out;
}
- host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ host_err = fh_want_write(fhp);
if (host_err)
goto out_nfserr;
@@ -1325,7 +1325,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
break;
}
if (host_err < 0) {
- mnt_drop_write(fhp->fh_export->ex_path.mnt);
+ fh_drop_write(fhp);
goto out_nfserr;
}
@@ -1339,7 +1339,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
err2 = nfserrno(commit_metadata(fhp));
if (err2)
err = err2;
- mnt_drop_write(fhp->fh_export->ex_path.mnt);
+ fh_drop_write(fhp);
/*
* Update the file handle to get the new inode info.
*/
@@ -1430,7 +1430,7 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
v_atime = verifier[1]&0x7fffffff;
}
- host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ host_err = fh_want_write(fhp);
if (host_err)
goto out_nfserr;
if (dchild->d_inode) {
@@ -1469,13 +1469,13 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
case NFS3_CREATE_GUARDED:
err = nfserr_exist;
}
- mnt_drop_write(fhp->fh_export->ex_path.mnt);
+ fh_drop_write(fhp);
goto out;
}
host_err = vfs_create(dirp, dchild, iap->ia_mode, NULL);
if (host_err < 0) {
- mnt_drop_write(fhp->fh_export->ex_path.mnt);
+ fh_drop_write(fhp);
goto out_nfserr;
}
if (created)
@@ -1503,7 +1503,7 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
if (!err)
err = nfserrno(commit_metadata(fhp));
- mnt_drop_write(fhp->fh_export->ex_path.mnt);
+ fh_drop_write(fhp);
/*
* Update the filehandle to get the new inode info.
*/
@@ -1600,7 +1600,7 @@ nfsd_symlink(struct svc_rqst *rqstp, struct svc_fh *fhp,
if (IS_ERR(dnew))
goto out_nfserr;
- host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ host_err = fh_want_write(fhp);
if (host_err)
goto out_nfserr;
@@ -1621,7 +1621,7 @@ nfsd_symlink(struct svc_rqst *rqstp, struct svc_fh *fhp,
err = nfserrno(commit_metadata(fhp));
fh_unlock(fhp);
- mnt_drop_write(fhp->fh_export->ex_path.mnt);
+ fh_drop_write(fhp);
cerr = fh_compose(resfhp, fhp->fh_export, dnew, fhp);
dput(dnew);
@@ -1674,7 +1674,7 @@ nfsd_link(struct svc_rqst *rqstp, struct svc_fh *ffhp,
dold = tfhp->fh_dentry;
- host_err = mnt_want_write(tfhp->fh_export->ex_path.mnt);
+ host_err = fh_want_write(tfhp);
if (host_err) {
err = nfserrno(host_err);
goto out_dput;
@@ -1699,7 +1699,7 @@ nfsd_link(struct svc_rqst *rqstp, struct svc_fh *ffhp,
err = nfserrno(host_err);
}
out_drop_write:
- mnt_drop_write(tfhp->fh_export->ex_path.mnt);
+ fh_drop_write(tfhp);
out_dput:
dput(dnew);
out_unlock:
@@ -1776,7 +1776,7 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen,
host_err = -EXDEV;
if (ffhp->fh_export->ex_path.mnt != tfhp->fh_export->ex_path.mnt)
goto out_dput_new;
- host_err = mnt_want_write(ffhp->fh_export->ex_path.mnt);
+ host_err = fh_want_write(ffhp);
if (host_err)
goto out_dput_new;
@@ -1795,7 +1795,7 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen,
host_err = commit_metadata(ffhp);
}
out_drop_write:
- mnt_drop_write(ffhp->fh_export->ex_path.mnt);
+ fh_drop_write(ffhp);
out_dput_new:
dput(ndentry);
out_dput_old:
@@ -1854,7 +1854,7 @@ nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
if (!type)
type = rdentry->d_inode->i_mode & S_IFMT;
- host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ host_err = fh_want_write(fhp);
if (host_err)
goto out_put;
@@ -1868,7 +1868,7 @@ nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
if (!host_err)
host_err = commit_metadata(fhp);
out_drop_write:
- mnt_drop_write(fhp->fh_export->ex_path.mnt);
+ fh_drop_write(fhp);
out_put:
dput(rdentry);
@@ -2270,7 +2270,7 @@ nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl)
} else
size = 0;
- error = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ error = fh_want_write(fhp);
if (error)
goto getout;
if (size)
@@ -2284,7 +2284,7 @@ nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl)
error = 0;
}
}
- mnt_drop_write(fhp->fh_export->ex_path.mnt);
+ fh_drop_write(fhp);
getout:
kfree(value);
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h
index 3f54ad0..cee6a12 100644
--- a/fs/nfsd/vfs.h
+++ b/fs/nfsd/vfs.h
@@ -106,4 +106,14 @@ struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
#endif
+static inline int fh_want_write(struct svc_fh *fh)
+{
+ return mnt_want_write(fh->fh_export->ex_path.mnt);
+}
+
+static inline void fh_drop_write(struct svc_fh *fh)
+{
+ mnt_drop_write(fh->fh_export->ex_path.mnt);
+}
+
#endif /* LINUX_NFSD_VFS_H */
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