search for: vhost_scsi_iov_to_sgl

The following patches were made over Linus's tree and fix an issue where windows guests will send iovecs with offset/lengths that result in IOs that are not aligned to 512. The LIO layer will then send them to Linux's block layer but it requires 512 byte alignment, so depending on the block driver being used we will get IO errors or hung IO. The following patches have vhost-scsi detect

The following patches were made over Linus's tree and fix an issue where windows guests will send iovecs with offset/lengths that result in IOs that are not aligned to 512. The LIO layer will then send them to Linux's FS/block layer but it requires 512 byte alignment, so depending on the FS/block driver being used we will get IO errors or hung IO. The following patches have vhost-scsi

...ll put_user_page() and the page + * refcount will go wrong (this is in vhost_scsi_release_cmd()) + */ + WARN_ON(!iov_iter_get_pages_use_gup(iter)); + bytes = iov_iter_get_pages(iter, pages, LONG_MAX, VHOST_SCSI_PREALLOC_UPAGES, &offset); /* No pages were pinned */ @@ -681,7 +688,7 @@ vhost_scsi_iov_to_sgl(struct vhost_scsi_cmd *cmd, bool write, while (p < sg) { struct page *page = sg_page(p++); if (page) - put_page(page); + put_user_page(page); } return ret; } -- 2.22.0

...* refcount will go wrong (this is in vhost_scsi_release_cmd()) > + */ > + WARN_ON(!iov_iter_get_pages_use_gup(iter)); > + > bytes = iov_iter_get_pages(iter, pages, LONG_MAX, > VHOST_SCSI_PREALLOC_UPAGES, &offset); > /* No pages were pinned */ > @@ -681,7 +688,7 @@ vhost_scsi_iov_to_sgl(struct vhost_scsi_cmd *cmd, bool write, > while (p < sg) { > struct page *page = sg_page(p++); > if (page) > - put_page(page); > + put_user_page(page); > } > return ret; > } > -- > 2.22.0

From: John Hubbard <jhubbard at nvidia.com> Hi, This is mostly Jerome's work, converting the block/bio and related areas to call put_user_page*() instead of put_page(). Because I've changed Jerome's patches, in some cases significantly, I'd like to get his feedback before we actually leave him listed as the author (he might want to disown some or all of these). I added a

From: John Hubbard <jhubbard at nvidia.com> Hi, This is mostly Jerome's work, converting the block/bio and related areas to call put_user_page*() instead of put_page(). Because I've changed Jerome's patches, in some cases significantly, I'd like to get his feedback before we actually leave him listed as the author (he might want to disown some or all of these). I added a