diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2025-06-13 16:08:47 -0400 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2025-07-14 12:46:45 -0400 |
| commit | 3f3503adb3328e9b2c031ad8d27889ecfa2a6bf7 (patch) | |
| tree | 39e651f7e0679cf66f059a8fb93d28a4fb15ca8c | |
| parent | 37fe6f1be50f1f1485407078d7afb456bde642ca (diff) | |
NFSD: Use vfs_iocb_iter_write()
Refactor: Enable the use of IOCB flags to control NFSD's individual
write operations. This allows the eventual use of atomic, uncached,
direct, or asynchronous writes.
Suggested-by: NeilBrown <neil@brown.name>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: NeilBrown <neil@brown.name>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
| -rw-r--r-- | fs/nfsd/vfs.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 3e21599294fe..ee78b6fb1709 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1173,15 +1173,14 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); struct file *file = nf->nf_file; struct super_block *sb = file_inode(file)->i_sb; + struct kiocb kiocb; struct svc_export *exp; struct iov_iter iter; errseq_t since; __be32 nfserr; int host_err; - loff_t pos = offset; unsigned long exp_op_flags = 0; unsigned int pflags = current->flags; - rwf_t flags = 0; bool restore_flags = false; unsigned int nvecs; @@ -1207,16 +1206,17 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, if (!EX_ISSYNC(exp)) stable = NFS_UNSTABLE; - + init_sync_kiocb(&kiocb, file); + kiocb.ki_pos = offset; if (stable && !fhp->fh_use_wgather) - flags |= RWF_SYNC; + kiocb.ki_flags |= IOCB_DSYNC; nvecs = xdr_buf_to_bvec(rqstp->rq_bvec, rqstp->rq_maxpages, payload); iov_iter_bvec(&iter, ITER_SOURCE, rqstp->rq_bvec, nvecs, *cnt); since = READ_ONCE(file->f_wb_err); if (verf) nfsd_copy_write_verifier(verf, nn); - host_err = vfs_iter_write(file, &iter, &pos, flags); + host_err = vfs_iocb_iter_write(file, &kiocb, &iter); if (host_err < 0) { commit_reset_write_verifier(nn, rqstp, host_err); goto out_nfserr; |