linux-kernel - Re: [PATCH] netfs: Fix typo

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Date:   Fri, 1 Jul 2022 13:09:29 +0200
From:   Ilya Dryomov <idryomov@...il.com>
To:     Zhang Jiaming <jiaming@...china.com>
Cc:     Xiubo Li <xiubli@...hat.com>, Jeff Layton <jlayton@...nel.org>,
        Ceph Development <ceph-devel@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Li Qiong <liqiong@...china.com>, renyu@...china.com
Subject: Re: [PATCH] netfs: Fix typo

On Fri, Jul 1, 2022 at 10:22 AM Zhang Jiaming <jiaming@...china.com> wrote:
>
> There is a typo (writeable) in comments and dout information.
> Fix it.
>
> Signed-off-by: Zhang Jiaming <jiaming@...china.com>
> ---
>  fs/ceph/addr.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
> index 6dee88815491..083c5b6cae9e 100644
> --- a/fs/ceph/addr.c
> +++ b/fs/ceph/addr.c
> @@ -565,7 +565,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
>
>         dout("writepage %p idx %lu\n", page, page->index);
>
> -       /* verify this is a writeable snap context */
> +       /* verify this is a writable snap context */
>         snapc = page_snap_context(page);
>         if (!snapc) {
>                 dout("writepage %p page %p not dirty?\n", inode, page);
> @@ -573,7 +573,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
>         }
>         oldest = get_oldest_context(inode, &ceph_wbc, snapc);
>         if (snapc->seq > oldest->seq) {
> -               dout("writepage %p page %p snapc %p not writeable - noop\n",
> +               dout("writepage %p page %p snapc %p not writable - noop\n",
>                      inode, page, snapc);
>                 /* we should only noop if called by kswapd */
>                 WARN_ON(!(current->flags & PF_MEMALLOC));
> @@ -860,7 +860,7 @@ static int ceph_writepages_start(struct address_space *mapping,
>         } else if (!ceph_wbc.head_snapc) {
>                 /* Do not respect wbc->range_{start,end}. Dirty pages
>                  * in that range can be associated with newer snapc.
> -                * They are not writeable until we write all dirty pages
> +                * They are not writable until we write all dirty pages
>                  * associated with 'snapc' get written */
>                 if (index > 0)
>                         should_loop = true;
> @@ -1219,7 +1219,7 @@ static int ceph_writepages_start(struct address_space *mapping,
>
>
>  /*
> - * See if a given @snapc is either writeable, or already written.
> + * See if a given @snapc is either writable, or already written.
>   */
>  static int context_is_writeable_or_written(struct inode *inode,
>                                            struct ceph_snap_context *snapc)
> @@ -1265,18 +1265,18 @@ ceph_find_incompatible(struct page *page)
>
>                 /*
>                  * this page is already dirty in another (older) snap
> -                * context!  is it writeable now?
> +                * context!  is it writable now?
>                  */
>                 oldest = get_oldest_context(inode, NULL, NULL);
>                 if (snapc->seq > oldest->seq) {
> -                       /* not writeable -- return it for the caller to deal with */
> +                       /* not writable -- return it for the caller to deal with */
>                         ceph_put_snap_context(oldest);
>                         dout(" page %p snapc %p not current or oldest\n", page, snapc);
>                         return ceph_get_snap_context(snapc);
>                 }
>                 ceph_put_snap_context(oldest);
>
> -               /* yay, writeable, do it now (without dropping page lock) */
> +               /* yay, writable, do it now (without dropping page lock) */
>                 dout(" page %p snapc %p not current, but oldest\n", page, snapc);
>                 if (clear_page_dirty_for_io(page)) {
>                         int r = writepage_nounlock(page, NULL);
> --
> 2.25.1
>

Hi Zhang,

https://en.wiktionary.org/wiki/writeable says that "writeable" is an
alternative spelling of "writable".  It is especially common in computer
science -- there are hundreds of instances just in the kernel sources
along.

Thanks,

                Ilya