From: David Howells <dhowells@xxxxxxxxxx>
Filesystems should use folio->index and folio->mapping, instead of
folio_index(folio), folio_mapping() and folio_file_mapping() since
they know that it's in the pagecache.
Change this automagically with:
perl -p -i -e 's/folio_mapping[(]([^)]*)[)]/\1->mapping/g' fs/erofs/*.c
perl -p -i -e 's/folio_file_mapping[(]([^)]*)[)]/\1->mapping/g' fs/erofs/*.c
perl -p -i -e 's/folio_index[(]([^)]*)[)]/\1->index/g' fs/erofs/*.c
Reported-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
Cc: Chao Yu <chao@xxxxxxxxxx>
Cc: Yue Hu <huyue2@xxxxxxxxxxx>
Cc: Jeffle Xu <jefflexu@xxxxxxxxxxxxxxxxx>
Cc: linux-erofs@xxxxxxxxxxxxxxxx
Cc: linux-fsdevel@xxxxxxxxxxxxxxx
Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx>
---
Hi folks,
I tend to apply this patch upstream since compressed data fscache
adaption touches this part too. If there is no objection, I'm
going to take this patch separately for -next shortly..
Thanks,
Gao Xiang
Change since v1:
- a better commit message pointed out by Jeff Layton.
fs/erofs/fscache.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c
index 87ff35bff8d5..bc12030393b2 100644
--- a/fs/erofs/fscache.c
+++ b/fs/erofs/fscache.c
@@ -165,10 +165,10 @@ static int erofs_fscache_read_folios_async(struct fscache_cookie *cookie,
static int erofs_fscache_meta_read_folio(struct file *data, struct folio *folio)
{
int ret;
- struct erofs_fscache *ctx = folio_mapping(folio)->host->i_private;
+ struct erofs_fscache *ctx = folio->mapping->host->i_private;
struct erofs_fscache_request *req;
- req = erofs_fscache_req_alloc(folio_mapping(folio),
+ req = erofs_fscache_req_alloc(folio->mapping,
folio_pos(folio), folio_size(folio));
if (IS_ERR(req)) {
folio_unlock(folio);
@@ -276,7 +276,7 @@ static int erofs_fscache_read_folio(struct file *file, struct folio *folio)
struct erofs_fscache_request *req;
int ret;
- req = erofs_fscache_req_alloc(folio_mapping(folio),
+ req = erofs_fscache_req_alloc(folio->mapping,
folio_pos(folio), folio_size(folio));
if (IS_ERR(req)) {
folio_unlock(folio);
--
2.39.3
--
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