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erofs: remove unused device mapping in meta routine

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Currently metadata is always on bootstrap, and thus device mapping is
not needed so far.  Remove the redundant device mapping in the meta
routine.

Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Jia Zhu <zhujia.zj@bytedance.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230209063913.46341-2-jefflexu@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
This commit is contained in:
Jingbo Xu 2023-02-09 14:39:10 +08:00 committed by Gao Xiang
parent b7fa1de09f
commit bdfa90142e
1 changed files with 4 additions and 13 deletions
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17
fs/erofs/fscache.c
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@ -164,18 +164,8 @@ 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 super_block *sb = folio_mapping(folio)->host->i_sb;
struct erofs_fscache *ctx = folio_mapping(folio)->host->i_private;
struct erofs_fscache_request *req;
struct erofs_map_dev mdev = {
.m_deviceid = 0,
.m_pa = folio_pos(folio),
};
ret = erofs_map_dev(sb, &mdev);
if (ret) {
folio_unlock(folio);
return ret;
}
req = erofs_fscache_req_alloc(folio_mapping(folio),
folio_pos(folio), folio_size(folio));
@ -184,8 +174,8 @@ static int erofs_fscache_meta_read_folio(struct file *data, struct folio *folio)
return PTR_ERR(req);
}
ret = erofs_fscache_read_folios_async(mdev.m_fscache->cookie,
req, mdev.m_pa, folio_size(folio));
ret = erofs_fscache_read_folios_async(ctx->cookie, req,
folio_pos(folio), folio_size(folio));
if (ret)
req->error = ret;
@ -469,6 +459,7 @@ struct erofs_fscache *erofs_fscache_acquire_cookie(struct super_block *sb,
inode->i_size = OFFSET_MAX;
inode->i_mapping->a_ops = &erofs_fscache_meta_aops;
mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
inode->i_private = ctx;
ctx->inode = inode;
}