diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2025-06-13 16:08:46 -0400 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2025-07-14 12:46:45 -0400 |
| commit | 37fe6f1be50f1f1485407078d7afb456bde642ca (patch) | |
| tree | 225f910fe76a9a9662a82213b552f6af0769b661 | |
| parent | 61df439a326872b6464517fb6a2b989ac924b9a5 (diff) | |
NFSD: Use vfs_iocb_iter_read()
Refactor: Enable the use of IOCB flags to control NFSD's individual
read operations (when not using splice). This allows the eventual
use of atomic, uncached, direct, or asynchronous reads.
Suggested-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: NeilBrown <neil@brown.name>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
| -rw-r--r-- | fs/nfsd/vfs.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index cd689df2ca5d..3e21599294fe 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1086,10 +1086,13 @@ __be32 nfsd_iter_read(struct svc_rqst *rqstp, struct svc_fh *fhp, { unsigned long v, total; struct iov_iter iter; - loff_t ppos = offset; + struct kiocb kiocb; ssize_t host_err; size_t len; + init_sync_kiocb(&kiocb, file); + kiocb.ki_pos = offset; + v = 0; total = *count; while (total) { @@ -1104,7 +1107,7 @@ __be32 nfsd_iter_read(struct svc_rqst *rqstp, struct svc_fh *fhp, trace_nfsd_read_vector(rqstp, fhp, offset, *count); iov_iter_bvec(&iter, ITER_DEST, rqstp->rq_bvec, v, *count); - host_err = vfs_iter_read(file, &iter, &ppos, 0); + host_err = vfs_iocb_iter_read(file, &kiocb, &iter); return nfsd_finish_read(rqstp, fhp, file, offset, count, eof, host_err); } |