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lx_emul: shmem_file.h adapt to folio changes

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Everything related to compound pages is gradually removed and replaced
with folios.

issue #5264
This commit is contained in:
Sebastian Sumpf 2024-09-13 19:15:38 +02:00 committed by Christian Helmuth
parent 8530aa7540
commit c27e25b5ca
1 changed files with 18 additions and 1 deletions
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19
repos/dde_linux/src/include/lx_emul/shmem_file.h
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@ -91,8 +91,15 @@ err_inode:
} }
#if LINUX_VERSION_CODE < KERNEL_VERSION(6,4,0)
#define folio_cast
struct page *shmem_read_mapping_page_gfp(struct address_space *mapping, struct page *shmem_read_mapping_page_gfp(struct address_space *mapping,
pgoff_t index, gfp_t gfp) pgoff_t index, gfp_t gfp)
#else
#define folio_cast (struct folio *)
struct folio *shmem_read_folio_gfp(struct address_space *mapping,
pgoff_t index, gfp_t gfp)
#endif
{ {
struct page *p; struct page *p;
struct shmem_file_buffer *private_data; struct shmem_file_buffer *private_data;
@ -103,17 +110,27 @@ struct page *shmem_read_mapping_page_gfp(struct address_space *mapping,
private_data = mapping->private_data; private_data = mapping->private_data;
p = private_data->pages; p = private_data->pages;
return (p + index); return folio_cast(p + index);
} }
#include <linux/pagevec.h> #include <linux/pagevec.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(6,4,0)
void __pagevec_release(struct pagevec * pvec) void __pagevec_release(struct pagevec * pvec)
{ {
/* XXX check if we have to call release_pages */ /* XXX check if we have to call release_pages */
pagevec_reinit(pvec); pagevec_reinit(pvec);
} }
#else
void __folio_batch_release(struct folio_batch *fbatch)
{
lx_emul_trace(__func__);
/* XXX check if we have to call release_pages */
folio_batch_reinit(fbatch);
}
#endif
#include <linux/file.h> #include <linux/file.h>