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path: root/fs/f2fs/node.c
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Diffstat (limited to 'fs/f2fs/node.c')
-rw-r--r--fs/f2fs/node.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 2e41636be476..6c6ef772cf01 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -750,7 +750,7 @@ skip_partial:
if (offset[1] == 0 &&
rn->i.i_nid[offset[0] - NODE_DIR1_BLOCK]) {
lock_page(page);
- if (page->mapping != node_mapping) {
+ if (unlikely(page->mapping != node_mapping)) {
f2fs_put_page(page, 1);
goto restart;
}
@@ -841,14 +841,14 @@ struct page *new_node_page(struct dnode_of_data *dn,
struct page *page;
int err;
- if (is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC))
+ if (unlikely(is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC)))
return ERR_PTR(-EPERM);
page = grab_cache_page(mapping, dn->nid);
if (!page)
return ERR_PTR(-ENOMEM);
- if (!inc_valid_node_count(sbi, dn->inode)) {
+ if (unlikely(!inc_valid_node_count(sbi, dn->inode))) {
err = -ENOSPC;
goto fail;
}
@@ -898,7 +898,7 @@ static int read_node_page(struct page *page, int rw)
get_node_info(sbi, page->index, &ni);
- if (ni.blk_addr == NULL_ADDR) {
+ if (unlikely(ni.blk_addr == NULL_ADDR)) {
f2fs_put_page(page, 1);
return -ENOENT;
}
@@ -953,11 +953,11 @@ repeat:
goto got_it;
lock_page(page);
- if (!PageUptodate(page)) {
+ if (unlikely(!PageUptodate(page))) {
f2fs_put_page(page, 1);
return ERR_PTR(-EIO);
}
- if (page->mapping != mapping) {
+ if (unlikely(page->mapping != mapping)) {
f2fs_put_page(page, 1);
goto repeat;
}
@@ -1010,12 +1010,12 @@ repeat:
blk_finish_plug(&plug);
lock_page(page);
- if (page->mapping != mapping) {
+ if (unlikely(page->mapping != mapping)) {
f2fs_put_page(page, 1);
goto repeat;
}
page_hit:
- if (!PageUptodate(page)) {
+ if (unlikely(!PageUptodate(page))) {
f2fs_put_page(page, 1);
return ERR_PTR(-EIO);
}
@@ -1173,9 +1173,9 @@ int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino)
cond_resched();
}
- if (test_and_clear_bit(AS_ENOSPC, &mapping->flags))
+ if (unlikely(test_and_clear_bit(AS_ENOSPC, &mapping->flags)))
ret2 = -ENOSPC;
- if (test_and_clear_bit(AS_EIO, &mapping->flags))
+ if (unlikely(test_and_clear_bit(AS_EIO, &mapping->flags)))
ret2 = -EIO;
if (!ret)
ret = ret2;
@@ -1202,7 +1202,7 @@ static int f2fs_write_node_page(struct page *page,
get_node_info(sbi, nid, &ni);
/* This page is already truncated */
- if (ni.blk_addr == NULL_ADDR) {
+ if (unlikely(ni.blk_addr == NULL_ADDR)) {
dec_page_count(sbi, F2FS_DIRTY_NODES);
unlock_page(page);
return 0;
@@ -1627,14 +1627,14 @@ int restore_node_summary(struct f2fs_sb_info *sbi,
list_for_each_entry_safe(page, tmp, &page_list, lru) {
lock_page(page);
- if(PageUptodate(page)) {
+ if (unlikely(!PageUptodate(page))) {
+ err = -EIO;
+ } else {
rn = F2FS_NODE(page);
sum_entry->nid = rn->footer.nid;
sum_entry->version = 0;
sum_entry->ofs_in_node = 0;
sum_entry++;
- } else {
- err = -EIO;
}
list_del(&page->lru);