| Message ID | 20180518002214.5657-2-longli@linuxonhyperv.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
merged into cifs-2.6.git for-next On Thu, May 17, 2018 at 7:22 PM, Long Li <longli@linuxonhyperv.com> wrote: > From: Long Li <longli@microsoft.com> > > Currently CIFS allocates its own pages for data transfer, they don't need offset > since it's always 0 in the 1st page. > > Direct data transfer needs to define an offset because user-data may not start > on the page boundary > > Signed-off-by: Long Li <longli@microsoft.com> > --- > fs/cifs/cifsglob.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h > index cb950a5..a51855c 100644 > --- a/fs/cifs/cifsglob.h > +++ b/fs/cifs/cifsglob.h > @@ -176,6 +176,7 @@ struct smb_rqst { > struct kvec *rq_iov; /* array of kvecs */ > unsigned int rq_nvec; /* number of kvecs in array */ > struct page **rq_pages; /* pointer to array of page ptrs */ > + unsigned int rq_offset; /* the offset to the 1st page */ > unsigned int rq_npages; /* number pages in array */ > unsigned int rq_pagesz; /* page size to use */ > unsigned int rq_tailsz; /* length of last page */ > @@ -1167,8 +1168,10 @@ struct cifs_readdata { > struct kvec iov[2]; > #ifdef CONFIG_CIFS_SMB_DIRECT > struct smbd_mr *mr; > + struct page **direct_pages; > #endif > unsigned int pagesz; > + unsigned int page_offset; > unsigned int tailsz; > unsigned int credits; > unsigned int nr_pages; > @@ -1192,8 +1195,10 @@ struct cifs_writedata { > int result; > #ifdef CONFIG_CIFS_SMB_DIRECT > struct smbd_mr *mr; > + struct page **direct_pages; > #endif > unsigned int pagesz; > + unsigned int page_offset; > unsigned int tailsz; > unsigned int credits; > unsigned int nr_pages; > -- > 2.7.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index cb950a5..a51855c 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -176,6 +176,7 @@ struct smb_rqst { struct kvec *rq_iov; /* array of kvecs */ unsigned int rq_nvec; /* number of kvecs in array */ struct page **rq_pages; /* pointer to array of page ptrs */ + unsigned int rq_offset; /* the offset to the 1st page */ unsigned int rq_npages; /* number pages in array */ unsigned int rq_pagesz; /* page size to use */ unsigned int rq_tailsz; /* length of last page */ @@ -1167,8 +1168,10 @@ struct cifs_readdata { struct kvec iov[2]; #ifdef CONFIG_CIFS_SMB_DIRECT struct smbd_mr *mr; + struct page **direct_pages; #endif unsigned int pagesz; + unsigned int page_offset; unsigned int tailsz; unsigned int credits; unsigned int nr_pages; @@ -1192,8 +1195,10 @@ struct cifs_writedata { int result; #ifdef CONFIG_CIFS_SMB_DIRECT struct smbd_mr *mr; + struct page **direct_pages; #endif unsigned int pagesz; + unsigned int page_offset; unsigned int tailsz; unsigned int credits; unsigned int nr_pages;