Messages in this thread | | | Date | Mon, 7 Nov 2022 22:41:57 +0800 | Subject | Re: [External] [PATCH 1/2] erofs: put metabuf in error path in fscache mode | From | Jia Zhu <> |
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在 2022/11/4 13:40, Jingbo Xu 写道: > For tail packing layout, put metabuf when error is encountered. > > Fixes: 1ae9470c3e14 ("erofs: clean up .read_folio() and .readahead() in fscache mode") > Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com> Reviewed-by: Jia Zhu <zhujia.zj@bytedance.com> > --- > fs/erofs/fscache.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c > index fe05bc51f9f2..83559008bfa8 100644 > --- a/fs/erofs/fscache.c > +++ b/fs/erofs/fscache.c > @@ -287,8 +287,10 @@ static int erofs_fscache_data_read(struct address_space *mapping, > return PTR_ERR(src); > > iov_iter_xarray(&iter, READ, &mapping->i_pages, pos, PAGE_SIZE); > - if (copy_to_iter(src + offset, size, &iter) != size) > + if (copy_to_iter(src + offset, size, &iter) != size) { > + erofs_put_metabuf(&buf); > return -EFAULT; > + } > iov_iter_zero(PAGE_SIZE - size, &iter); > erofs_put_metabuf(&buf); > return PAGE_SIZE;
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