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Diffstat (limited to 'fs/f2fs/data.c')
-rw-r--r--fs/f2fs/data.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 2ce5a9ef508b..5607393198df 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -49,11 +49,11 @@ static void f2fs_read_end_io(struct bio *bio, int err)
if (--bvec >= bio->bi_io_vec)
prefetchw(&bvec->bv_page->flags);
- if (uptodate) {
- SetPageUptodate(page);
- } else {
+ if (unlikely(!uptodate)) {
ClearPageUptodate(page);
SetPageError(page);
+ } else {
+ SetPageUptodate(page);
}
unlock_page(page);
} while (bvec >= bio->bi_io_vec);
@@ -73,7 +73,7 @@ static void f2fs_write_end_io(struct bio *bio, int err)
if (--bvec >= bio->bi_io_vec)
prefetchw(&bvec->bv_page->flags);
- if (!uptodate) {
+ if (unlikely(!uptodate)) {
SetPageError(page);
set_bit(AS_EIO, &page->mapping->flags);
set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG);
@@ -249,7 +249,7 @@ int reserve_new_block(struct dnode_of_data *dn)
{
struct f2fs_sb_info *sbi = F2FS_SB(dn->inode->i_sb);
- 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 -EPERM;
if (unlikely(!inc_valid_block_count(sbi, dn->inode, 1)))
return -ENOSPC;
@@ -424,7 +424,7 @@ struct page *find_data_page(struct inode *inode, pgoff_t index, bool sync)
return ERR_PTR(-ENOENT);
/* By fallocate(), there is no cached page, but with NEW_ADDR */
- if (dn.data_blkaddr == NEW_ADDR)
+ if (unlikely(dn.data_blkaddr == NEW_ADDR))
return ERR_PTR(-EINVAL);
page = grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
@@ -443,7 +443,7 @@ struct page *find_data_page(struct inode *inode, pgoff_t index, bool sync)
if (sync) {
wait_on_page_locked(page);
- if (!PageUptodate(page)) {
+ if (unlikely(!PageUptodate(page))) {
f2fs_put_page(page, 0);
return ERR_PTR(-EIO);
}
@@ -477,7 +477,7 @@ repeat:
}
f2fs_put_dnode(&dn);
- if (dn.data_blkaddr == NULL_ADDR) {
+ if (unlikely(dn.data_blkaddr == NULL_ADDR)) {
f2fs_put_page(page, 1);
return ERR_PTR(-ENOENT);
}
@@ -502,11 +502,11 @@ repeat:
return ERR_PTR(err);
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;
}
@@ -534,7 +534,6 @@ struct page *get_new_data_page(struct inode *inode,
err = f2fs_reserve_block(&dn, index);
if (err)
return ERR_PTR(err);
-
repeat:
page = grab_cache_page(mapping, index);
if (!page)
@@ -552,11 +551,11 @@ repeat:
if (err)
return ERR_PTR(err);
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;
}
@@ -841,11 +840,11 @@ repeat:
if (err)
return err;
lock_page(page);
- if (!PageUptodate(page)) {
+ if (unlikely(!PageUptodate(page))) {
f2fs_put_page(page, 1);
return -EIO;
}
- if (page->mapping != mapping) {
+ if (unlikely(page->mapping != mapping)) {
f2fs_put_page(page, 1);
goto repeat;
}