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nfsd: Allow nfsd_vfs_write() to take the nfsd_file as an argument 

Needed in order to fix stable writes.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
alistair/sensors
Trond Myklebust 2020-01-06 13:40:29 -05:00 committed by J. Bruce Fields
parent 90d2f1da83
commit 16f8f89410
3 changed files with 7 additions and 4 deletions
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2
fs/nfsd/nfs4proc.c
View File

@ -1021,7 +1021,7 @@ nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
&write->wr_head, write->wr_buflen);
WARN_ON_ONCE(nvecs > ARRAY_SIZE(rqstp->rq_vec));
status = nfsd_vfs_write(rqstp, &cstate->current_fh, nf->nf_file,
status = nfsd_vfs_write(rqstp, &cstate->current_fh, nf,
write->wr_offset, rqstp->rq_vec, nvecs, &cnt,
write->wr_how_written);
nfsd_file_put(nf);

5
fs/nfsd/vfs.c
View File

@ -947,10 +947,11 @@ static int wait_for_concurrent_writes(struct file *file)
}
__be32
nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf,
loff_t offset, struct kvec *vec, int vlen,
unsigned long *cnt, int stable)
{
struct file *file = nf->nf_file;
struct svc_export *exp;
struct iov_iter iter;
__be32 nfserr;
@ -1057,7 +1058,7 @@ nfsd_write(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t offset,
if (err)
goto out;
err = nfsd_vfs_write(rqstp, fhp, nf->nf_file, offset, vec,
err = nfsd_vfs_write(rqstp, fhp, nf, offset, vec,
vlen, cnt, stable);
nfsd_file_put(nf);
out:

4
fs/nfsd/vfs.h
View File

@ -34,6 +34,8 @@
#define NFSD_MAY_CREATE (NFSD_MAY_EXEC|NFSD_MAY_WRITE)
#define NFSD_MAY_REMOVE (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
struct nfsd_file;
/*
* Callback function for readdir
*/
@ -93,7 +95,7 @@ __be32 nfsd_read(struct svc_rqst *, struct svc_fh *,
__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 nfsd_file *nf, loff_t offset,
struct kvec *vec, int vlen, unsigned long *cnt,
int stable);
__be32 nfsd_readlink(struct svc_rqst *, struct svc_fh *,