diff options
| author | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-03-16 09:22:45 +0800 |
|---|---|---|
| committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-03-17 00:09:02 +0800 |
| commit | fe5de5859d44eafd5828ec4910cd52cdad8ada1f (patch) | |
| tree | f430514691d57e1cc9ef8d065c6a8645ddd67c50 /fs/erofs/data.c | |
| parent | a942da24abc5839c11a8fc2a4b7cb268ea94ba54 (diff) | |
| download | linux-fe5de5859d44eafd5828ec4910cd52cdad8ada1f.tar.bz2 | |
erofs: use meta buffers for reading directories
Previously, directory inodes are directly handled with page cache
interfaces.
In order to support sub-page directory blocks and folios, let's
convert them into the latest metabuf infrastructure as well and
this patch addresses the readdir case first.
Link: https://lore.kernel.org/r/20220316012246.95131-1-hsiangkao@linux.alibaba.com
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'fs/erofs/data.c')
| -rw-r--r-- | fs/erofs/data.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/erofs/data.c b/fs/erofs/data.c index 226a57c57ee6..780db1e5f4b7 100644 --- a/fs/erofs/data.c +++ b/fs/erofs/data.c @@ -28,10 +28,10 @@ void erofs_put_metabuf(struct erofs_buf *buf) buf->page = NULL; } -void *erofs_read_metabuf(struct erofs_buf *buf, struct super_block *sb, - erofs_blk_t blkaddr, enum erofs_kmap_type type) +void *erofs_bread(struct erofs_buf *buf, struct inode *inode, + erofs_blk_t blkaddr, enum erofs_kmap_type type) { - struct address_space *const mapping = sb->s_bdev->bd_inode->i_mapping; + struct address_space *const mapping = inode->i_mapping; erofs_off_t offset = blknr_to_addr(blkaddr); pgoff_t index = offset >> PAGE_SHIFT; struct page *page = buf->page; @@ -60,6 +60,12 @@ void *erofs_read_metabuf(struct erofs_buf *buf, struct super_block *sb, return buf->base + (offset & ~PAGE_MASK); } +void *erofs_read_metabuf(struct erofs_buf *buf, struct super_block *sb, + erofs_blk_t blkaddr, enum erofs_kmap_type type) +{ + return erofs_bread(buf, sb->s_bdev->bd_inode, blkaddr, type); +} + static int erofs_map_blocks_flatmode(struct inode *inode, struct erofs_map_blocks *map, int flags) |