erofs: remove all likely/unlikely annotations
As Dan Carpenter suggested [1], I have to remove
all erofs likely/unlikely annotations.
[1] https://lore.kernel.org/linux-fsdevel/20190829154346.GK23584@kadam/
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Link: https://lore.kernel.org/r/20190829163827.203274-1-gaoxiang25@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index b32ad58..653bde0 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -230,7 +230,7 @@ int erofs_try_to_free_all_cached_pages(struct erofs_sb_info *sbi,
if (!trylock_page(page))
return -EBUSY;
- if (unlikely(page->mapping != mapping))
+ if (page->mapping != mapping)
continue;
/* barrier is implied in the following 'unlock_page' */
@@ -358,7 +358,7 @@ static struct z_erofs_collection *cllookup(struct z_erofs_collector *clt,
}
cl = z_erofs_primarycollection(pcl);
- if (unlikely(cl->pageofs != (map->m_la & ~PAGE_MASK))) {
+ if (cl->pageofs != (map->m_la & ~PAGE_MASK)) {
DBG_BUGON(1);
erofs_workgroup_put(grp);
return ERR_PTR(-EFSCORRUPTED);
@@ -406,7 +406,7 @@ static struct z_erofs_collection *clregister(struct z_erofs_collector *clt,
/* no available workgroup, let's allocate one */
pcl = kmem_cache_alloc(pcluster_cachep, GFP_NOFS);
- if (unlikely(!pcl))
+ if (!pcl)
return ERR_PTR(-ENOMEM);
init_always(pcl);
@@ -474,7 +474,7 @@ static int z_erofs_collector_begin(struct z_erofs_collector *clt,
if (!cl) {
cl = clregister(clt, inode, map);
- if (unlikely(cl == ERR_PTR(-EAGAIN)))
+ if (cl == ERR_PTR(-EAGAIN))
goto repeat;
}
@@ -607,15 +607,15 @@ static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
map->m_la = offset + cur;
map->m_llen = 0;
err = z_erofs_map_blocks_iter(inode, map, 0);
- if (unlikely(err))
+ if (err)
goto err_out;
restart_now:
- if (unlikely(!(map->m_flags & EROFS_MAP_MAPPED)))
+ if (!(map->m_flags & EROFS_MAP_MAPPED))
goto hitted;
err = z_erofs_collector_begin(clt, inode, map);
- if (unlikely(err))
+ if (err)
goto err_out;
/* preload all compressed pages (maybe downgrade role if necessary) */
@@ -630,7 +630,7 @@ static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
tight &= (clt->mode >= COLLECT_PRIMARY_HOOKED);
hitted:
cur = end - min_t(unsigned int, offset + end - map->m_la, end);
- if (unlikely(!(map->m_flags & EROFS_MAP_MAPPED))) {
+ if (!(map->m_flags & EROFS_MAP_MAPPED)) {
zero_user_segment(page, cur, end);
goto next_part;
}
@@ -653,11 +653,11 @@ static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
err = z_erofs_attach_page(clt, newpage,
Z_EROFS_PAGE_TYPE_EXCLUSIVE);
- if (likely(!err))
+ if (!err)
goto retry;
}
- if (unlikely(err))
+ if (err)
goto err_out;
index = page->index - (map->m_la >> PAGE_SHIFT);
@@ -723,7 +723,7 @@ static inline void z_erofs_vle_read_endio(struct bio *bio)
DBG_BUGON(PageUptodate(page));
DBG_BUGON(!page->mapping);
- if (unlikely(!sbi && !z_erofs_page_is_staging(page))) {
+ if (!sbi && !z_erofs_page_is_staging(page)) {
sbi = EROFS_SB(page->mapping->host->i_sb);
if (time_to_inject(sbi, FAULT_READ_IO)) {
@@ -736,7 +736,7 @@ static inline void z_erofs_vle_read_endio(struct bio *bio)
if (sbi)
cachemngd = erofs_page_is_managed(sbi, page);
- if (unlikely(err))
+ if (err)
SetPageError(page);
else if (cachemngd)
SetPageUptodate(page);
@@ -772,7 +772,7 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
mutex_lock(&cl->lock);
nr_pages = cl->nr_pages;
- if (likely(nr_pages <= Z_EROFS_VMAP_ONSTACK_PAGES)) {
+ if (nr_pages <= Z_EROFS_VMAP_ONSTACK_PAGES) {
pages = pages_onstack;
} else if (nr_pages <= Z_EROFS_VMAP_GLOBAL_PAGES &&
mutex_trylock(&z_pagemap_global_lock)) {
@@ -787,7 +787,7 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
gfp_flags);
/* fallback to global pagemap for the lowmem scenario */
- if (unlikely(!pages)) {
+ if (!pages) {
mutex_lock(&z_pagemap_global_lock);
pages = z_pagemap_global;
}
@@ -823,7 +823,7 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
* currently EROFS doesn't support multiref(dedup),
* so here erroring out one multiref page.
*/
- if (unlikely(pages[pagenr])) {
+ if (pages[pagenr]) {
DBG_BUGON(1);
SetPageError(pages[pagenr]);
z_erofs_onlinepage_endio(pages[pagenr]);
@@ -847,7 +847,7 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
if (!z_erofs_page_is_staging(page)) {
if (erofs_page_is_managed(sbi, page)) {
- if (unlikely(!PageUptodate(page)))
+ if (!PageUptodate(page))
err = -EIO;
continue;
}
@@ -859,7 +859,7 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
pagenr = z_erofs_onlinepage_index(page);
DBG_BUGON(pagenr >= nr_pages);
- if (unlikely(pages[pagenr])) {
+ if (pages[pagenr]) {
DBG_BUGON(1);
SetPageError(pages[pagenr]);
z_erofs_onlinepage_endio(pages[pagenr]);
@@ -871,13 +871,13 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
}
/* PG_error needs checking for inplaced and staging pages */
- if (unlikely(PageError(page))) {
+ if (PageError(page)) {
DBG_BUGON(PageUptodate(page));
err = -EIO;
}
}
- if (unlikely(err))
+ if (err)
goto out;
llen = pcl->length >> Z_EROFS_PCLUSTER_LENGTH_BIT;
@@ -926,7 +926,7 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
if (z_erofs_put_stagingpage(pagepool, page))
continue;
- if (unlikely(err < 0))
+ if (err < 0)
SetPageError(page);
z_erofs_onlinepage_endio(page);
@@ -934,7 +934,7 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
if (pages == z_pagemap_global)
mutex_unlock(&z_pagemap_global_lock);
- else if (unlikely(pages != pages_onstack))
+ else if (pages != pages_onstack)
kvfree(pages);
cl->nr_pages = 0;
@@ -1212,7 +1212,7 @@ static bool z_erofs_vle_submit_all(struct super_block *sb,
bool force_submit = false;
unsigned int nr_bios;
- if (unlikely(owned_head == Z_EROFS_PCLUSTER_TAIL))
+ if (owned_head == Z_EROFS_PCLUSTER_TAIL)
return false;
force_submit = false;
