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.TH "NFS_DIRECT_WRITE" "9" "09 October 2005" "" ""

.SH NAME
nfs_direct_write \- For each iov segment, map the user's buffer
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
ssize_t nfs_direct_write  (struct inode * \fIinode\fB, struct nfs_open_context * \fIctx\fB, const struct iovec * \fIiov\fB, loff_t \fIfile_offset\fB, unsigned long \fInr_segs\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIinode\fB\fR
target inode
.TP
\fB\fIctx\fB\fR
target file open context
.TP
\fB\fIiov\fB\fR
array of vectors that define I/O buffer
.TP
\fB\fIfile_offset\fB\fR
-- undescribed --
.TP
\fB\fInr_segs\fB\fR
-- undescribed --
.SH "DESCRIPTION"
.PP
then generate write and commit RPCs.
.SH "FILE_OFFSET"
.PP
offset in file to begin the operation
.SH "NR_SEGS"
.PP
size of iovec array
.PP
Upon return, generic_file_direct_IO invalidates any cached pages
that non-direct readers might access, so they will pick up these
writes immediately.