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Subject[PATCH 01/16] erofs: get rid of unneeded `inode', `map' and `sb'
Date
Since commit 5c6dcc57e2e5 ("erofs: get rid of
`struct z_erofs_collector'"), these arguments can be dropped as well.

No logic changes.

Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
---
fs/erofs/zdata.c | 42 +++++++++++++++++++-----------------------
1 file changed, 19 insertions(+), 23 deletions(-)

diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index 724bb57075f6..1b6816dd235f 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -404,10 +404,9 @@ static void z_erofs_try_to_claim_pcluster(struct z_erofs_decompress_frontend *f)
f->mode = COLLECT_PRIMARY;
}

-static int z_erofs_lookup_pcluster(struct z_erofs_decompress_frontend *fe,
- struct inode *inode,
- struct erofs_map_blocks *map)
+static int z_erofs_lookup_pcluster(struct z_erofs_decompress_frontend *fe)
{
+ struct erofs_map_blocks *map = &fe->map;
struct z_erofs_pcluster *pcl = fe->pcl;
unsigned int length;

@@ -449,10 +448,9 @@ static int z_erofs_lookup_pcluster(struct z_erofs_decompress_frontend *fe,
return 0;
}

-static int z_erofs_register_pcluster(struct z_erofs_decompress_frontend *fe,
- struct inode *inode,
- struct erofs_map_blocks *map)
+static int z_erofs_register_pcluster(struct z_erofs_decompress_frontend *fe)
{
+ struct erofs_map_blocks *map = &fe->map;
bool ztailpacking = map->m_flags & EROFS_MAP_META;
struct z_erofs_pcluster *pcl;
struct erofs_workgroup *grp;
@@ -494,7 +492,7 @@ static int z_erofs_register_pcluster(struct z_erofs_decompress_frontend *fe,
} else {
pcl->obj.index = map->m_pa >> PAGE_SHIFT;

- grp = erofs_insert_workgroup(inode->i_sb, &pcl->obj);
+ grp = erofs_insert_workgroup(fe->inode->i_sb, &pcl->obj);
if (IS_ERR(grp)) {
err = PTR_ERR(grp);
goto err_out;
@@ -520,10 +518,9 @@ static int z_erofs_register_pcluster(struct z_erofs_decompress_frontend *fe,
return err;
}

-static int z_erofs_collector_begin(struct z_erofs_decompress_frontend *fe,
- struct inode *inode,
- struct erofs_map_blocks *map)
+static int z_erofs_collector_begin(struct z_erofs_decompress_frontend *fe)
{
+ struct erofs_map_blocks *map = &fe->map;
struct erofs_workgroup *grp;
int ret;

@@ -541,19 +538,19 @@ static int z_erofs_collector_begin(struct z_erofs_decompress_frontend *fe,
goto tailpacking;
}

- grp = erofs_find_workgroup(inode->i_sb, map->m_pa >> PAGE_SHIFT);
+ grp = erofs_find_workgroup(fe->inode->i_sb, map->m_pa >> PAGE_SHIFT);
if (grp) {
fe->pcl = container_of(grp, struct z_erofs_pcluster, obj);
} else {
tailpacking:
- ret = z_erofs_register_pcluster(fe, inode, map);
+ ret = z_erofs_register_pcluster(fe);
if (!ret)
goto out;
if (ret != -EEXIST)
return ret;
}

- ret = z_erofs_lookup_pcluster(fe, inode, map);
+ ret = z_erofs_lookup_pcluster(fe);
if (ret) {
erofs_workgroup_put(&fe->pcl->obj);
return ret;
@@ -663,7 +660,7 @@ static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
if (!(map->m_flags & EROFS_MAP_MAPPED))
goto hitted;

- err = z_erofs_collector_begin(fe, inode, map);
+ err = z_erofs_collector_begin(fe);
if (err)
goto err_out;

@@ -1259,13 +1256,13 @@ static void z_erofs_decompressqueue_endio(struct bio *bio)
bio_put(bio);
}

-static void z_erofs_submit_queue(struct super_block *sb,
- struct z_erofs_decompress_frontend *f,
+static void z_erofs_submit_queue(struct z_erofs_decompress_frontend *f,
struct page **pagepool,
struct z_erofs_decompressqueue *fgq,
bool *force_fg)
{
- struct erofs_sb_info *const sbi = EROFS_SB(sb);
+ struct super_block *sb = f->inode->i_sb;
+ struct address_space *mc = MNGD_MAPPING(EROFS_SB(sb));
z_erofs_next_pcluster_t qtail[NR_JOBQUEUES];
struct z_erofs_decompressqueue *q[NR_JOBQUEUES];
void *bi_private;
@@ -1317,7 +1314,7 @@ static void z_erofs_submit_queue(struct super_block *sb,
struct page *page;

page = pickup_page_for_submission(pcl, i++, pagepool,
- MNGD_MAPPING(sbi));
+ mc);
if (!page)
continue;

@@ -1369,15 +1366,14 @@ static void z_erofs_submit_queue(struct super_block *sb,
z_erofs_decompress_kickoff(q[JQ_SUBMIT], *force_fg, nr_bios);
}

-static void z_erofs_runqueue(struct super_block *sb,
- struct z_erofs_decompress_frontend *f,
+static void z_erofs_runqueue(struct z_erofs_decompress_frontend *f,
struct page **pagepool, bool force_fg)
{
struct z_erofs_decompressqueue io[NR_JOBQUEUES];

if (f->owned_head == Z_EROFS_PCLUSTER_TAIL)
return;
- z_erofs_submit_queue(sb, f, pagepool, io, &force_fg);
+ z_erofs_submit_queue(f, pagepool, io, &force_fg);

/* handle bypass queue (no i/o pclusters) immediately */
z_erofs_decompress_queue(&io[JQ_BYPASS], pagepool);
@@ -1475,7 +1471,7 @@ static int z_erofs_read_folio(struct file *file, struct folio *folio)
(void)z_erofs_collector_end(&f);

/* if some compressed cluster ready, need submit them anyway */
- z_erofs_runqueue(inode->i_sb, &f, &pagepool,
+ z_erofs_runqueue(&f, &pagepool,
z_erofs_get_sync_decompress_policy(sbi, 0));

if (err)
@@ -1524,7 +1520,7 @@ static void z_erofs_readahead(struct readahead_control *rac)
z_erofs_pcluster_readmore(&f, rac, 0, &pagepool, false);
(void)z_erofs_collector_end(&f);

- z_erofs_runqueue(inode->i_sb, &f, &pagepool,
+ z_erofs_runqueue(&f, &pagepool,
z_erofs_get_sync_decompress_policy(sbi, nr_pages));
erofs_put_metabuf(&f.map.buf);
erofs_release_pages(&pagepool);
--
2.24.4
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