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authorKinglong Mee <kinglongmee@gmail.com>2016-12-31 16:00:13 +0300
committerJ. Bruce Fields <bfields@redhat.com>2017-01-31 20:31:53 +0300
commit52e380e049d28732ec280c1e8840c9eddc716adb (patch)
tree02af89280217116da44bfab7c6060d46a62e2df0
parent54bbb7d206db78a3dfd87bc8d9735cbe3ac3f938 (diff)
downloadlinux-52e380e049d28732ec280c1e8840c9eddc716adb.tar.xz
NFSD: cleanup dead codes and values in nfsd_write
This is just cleanup, no change in functionality. Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
-rw-r--r--fs/nfsd/nfs3proc.c8
-rw-r--r--fs/nfsd/nfsproc.c7
-rw-r--r--fs/nfsd/vfs.c35
-rw-r--r--fs/nfsd/vfs.h4
4 files changed, 18 insertions, 36 deletions
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index 69cd0f1e26ff..045c9081eabe 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -193,11 +193,9 @@ nfsd3_proc_write(struct svc_rqst *rqstp, struct nfsd3_writeargs *argp,
fh_copy(&resp->fh, &argp->fh);
resp->committed = argp->stable;
- nfserr = nfsd_write(rqstp, &resp->fh, NULL,
- argp->offset,
- rqstp->rq_vec, argp->vlen,
- &cnt,
- resp->committed);
+ nfserr = nfsd_write(rqstp, &resp->fh, argp->offset,
+ rqstp->rq_vec, argp->vlen,
+ &cnt, resp->committed);
resp->count = cnt;
RETURN_STATUS(nfserr);
}
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index f157c7eff82f..fa82b7707e85 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -210,11 +210,8 @@ nfsd_proc_write(struct svc_rqst *rqstp, struct nfsd_writeargs *argp,
SVCFH_fmt(&argp->fh),
argp->len, argp->offset);
- nfserr = nfsd_write(rqstp, fh_copy(&resp->fh, &argp->fh), NULL,
- argp->offset,
- rqstp->rq_vec, argp->vlen,
- &cnt,
- NFS_DATA_SYNC);
+ nfserr = nfsd_write(rqstp, fh_copy(&resp->fh, &argp->fh), argp->offset,
+ rqstp->rq_vec, argp->vlen, &cnt, NFS_DATA_SYNC);
return nfsd_return_attrs(nfserr, resp);
}
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 1bedb2bc907e..2dd633fdef35 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1011,35 +1011,22 @@ __be32 nfsd_read(struct svc_rqst *rqstp, struct svc_fh *fhp,
* N.B. After this call fhp needs an fh_put
*/
__be32
-nfsd_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
- loff_t offset, struct kvec *vec, int vlen, unsigned long *cnt,
- int stable)
+nfsd_write(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t offset,
+ struct kvec *vec, int vlen, unsigned long *cnt, int stable)
{
- __be32 err = 0;
+ struct file *file = NULL;
+ __be32 err = 0;
trace_write_start(rqstp, fhp, offset, vlen);
- if (file) {
- err = nfsd_permission(rqstp, fhp->fh_export, fhp->fh_dentry,
- NFSD_MAY_WRITE|NFSD_MAY_OWNER_OVERRIDE);
- if (err)
- goto out;
- trace_write_opened(rqstp, fhp, offset, vlen);
- err = nfsd_vfs_write(rqstp, fhp, file, offset, vec, vlen, cnt,
- stable);
- trace_write_io_done(rqstp, fhp, offset, vlen);
- } else {
- err = nfsd_open(rqstp, fhp, S_IFREG, NFSD_MAY_WRITE, &file);
- if (err)
- goto out;
+ err = nfsd_open(rqstp, fhp, S_IFREG, NFSD_MAY_WRITE, &file);
+ if (err)
+ goto out;
- trace_write_opened(rqstp, fhp, offset, vlen);
- if (cnt)
- err = nfsd_vfs_write(rqstp, fhp, file, offset, vec, vlen,
- cnt, stable);
- trace_write_io_done(rqstp, fhp, offset, vlen);
- fput(file);
- }
+ trace_write_opened(rqstp, fhp, offset, vlen);
+ err = nfsd_vfs_write(rqstp, fhp, file, offset, vec, vlen, cnt, stable);
+ trace_write_io_done(rqstp, fhp, offset, vlen);
+ fput(file);
out:
trace_write_done(rqstp, fhp, offset, vlen);
return err;
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h
index 8458d8c08b18..db98c48c735a 100644
--- a/fs/nfsd/vfs.h
+++ b/fs/nfsd/vfs.h
@@ -83,8 +83,8 @@ __be32 nfsd_readv(struct file *, loff_t, struct kvec *, int,
unsigned long *);
__be32 nfsd_read(struct svc_rqst *, struct svc_fh *,
loff_t, struct kvec *, int, unsigned long *);
-__be32 nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
- loff_t, struct kvec *,int, unsigned long *, int);
+__be32 nfsd_write(struct svc_rqst *, struct svc_fh *, loff_t,
+ struct kvec *, int, unsigned long *, int);
__be32 nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp,
struct file *file, loff_t offset,
struct kvec *vec, int vlen, unsigned long *cnt,