Re: [PATCH 01/11] md-bitmap: set BITMAP_WRITE_ERROR in write_sb_page

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> On Jun 14, 2023, at 11:48 PM, Christoph Hellwig <hch@xxxxxx> wrote:
> 
> Set BITMAP_WRITE_ERROR directly in write_sb_page instead of propagating
> the error to the caller and setting it there.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> drivers/md/md-bitmap.c | 21 ++++++++-------------
> 1 file changed, 8 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
> index 1ff712889a3b36..d8469720fac23f 100644
> --- a/drivers/md/md-bitmap.c
> +++ b/drivers/md/md-bitmap.c
> @@ -279,22 +279,20 @@ static int __write_sb_page(struct md_rdev *rdev, struct bitmap *bitmap,
> return 0;
> }
> 
> -static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
> +static void write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
> {
> - struct md_rdev *rdev;
> struct mddev *mddev = bitmap->mddev;
> - int ret;
> 
> do {
> - rdev = NULL;
> + struct md_rdev *rdev = NULL;
> +
> while ((rdev = next_active_rdev(rdev, mddev)) != NULL) {
> - ret = __write_sb_page(rdev, bitmap, page);
> - if (ret)
> - return ret;
> + if (__write_sb_page(rdev, bitmap, page) < 0) {
> + set_bit(BITMAP_WRITE_ERROR, &bitmap->flags);
> + return;
> + }
> }
> } while (wait && md_super_wait(mddev) < 0);
> -
> - return 0;
> }
> 
> static void md_bitmap_file_kick(struct bitmap *bitmap);
> @@ -306,10 +304,7 @@ static void write_page(struct bitmap *bitmap, struct page *page, int wait)
> struct buffer_head *bh;
> 
> if (bitmap->storage.file == NULL) {
> - switch (write_sb_page(bitmap, page, wait)) {
> - case -EINVAL:
> - set_bit(BITMAP_WRITE_ERROR, &bitmap->flags);
> - }
> + write_sb_page(bitmap, page, wait);
> } else {
> 
> bh = page_buffers(page);
> -- 
> 2.39.2
> 

Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>

-- 
Himanshu Madhani Oracle Linux Engineering





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