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| author | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-01-02 12:00:17 +0800 |
|---|---|---|
| committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-01-04 23:47:36 +0800 |
| commit | 09c543798c3cde19aae575a0f76d5fc7c130ff18 (patch) | |
| tree | 644f73c442b0dfc42a6609c693e1ff6162669426 /fs/erofs/internal.h | |
| parent | bb88e8da00253bea0e7f0f4cdfd7910572d7799f (diff) | |
| download | linux-09c543798c3cde19aae575a0f76d5fc7c130ff18.tar.bz2 | |
erofs: use meta buffers for zmap operations
Get rid of old erofs_get_meta_page() within zmap operations by
using on-stack meta buffers in order to prepare subpage and folio
features.
Finally, erofs_get_meta_page() is useless. Get rid of it!
Link: https://lore.kernel.org/r/20220102040017.51352-6-hsiangkao@linux.alibaba.com
Reviewed-by: Yue Hu <huyue2@yulong.com>
Reviewed-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'fs/erofs/internal.h')
| -rw-r--r-- | fs/erofs/internal.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index f1e4eb3025f6..3db494a398b2 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -419,14 +419,14 @@ enum { #define EROFS_MAP_FULL_MAPPED (1 << BH_FullMapped) struct erofs_map_blocks { + struct erofs_buf buf; + erofs_off_t m_pa, m_la; u64 m_plen, m_llen; unsigned short m_deviceid; char m_algorithmformat; unsigned int m_flags; - - struct page *mpage; }; /* Flags used by erofs_map_blocks_flatmode() */ @@ -474,7 +474,7 @@ struct erofs_map_dev { /* data.c */ extern const struct file_operations erofs_file_fops; -struct page *erofs_get_meta_page(struct super_block *sb, erofs_blk_t blkaddr); +void erofs_unmap_metabuf(struct erofs_buf *buf); void erofs_put_metabuf(struct erofs_buf *buf); void *erofs_read_metabuf(struct erofs_buf *buf, struct super_block *sb, erofs_blk_t blkaddr, enum erofs_kmap_type type); |