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-rw-r--r--fs/f2fs/data.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ad99b7a295b4..ae5c41444e8f 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -806,6 +806,7 @@ struct page *find_data_page(struct inode *inode, pgoff_t index, bool sync)
struct address_space *mapping = inode->i_mapping;
struct dnode_of_data dn;
struct page *page;
+ struct extent_info ei;
int err;
struct f2fs_io_info fio = {
.type = DATA,
@@ -817,6 +818,11 @@ struct page *find_data_page(struct inode *inode, pgoff_t index, bool sync)
return page;
f2fs_put_page(page, 0);
+ if (f2fs_lookup_extent_cache(inode, index, &ei)) {
+ dn.data_blkaddr = ei.blk + index - ei.fofs;
+ goto got_it;
+ }
+
set_new_dnode(&dn, inode, NULL, NULL, 0);
err = get_dnode_of_data(&dn, index, LOOKUP_NODE);
if (err)
@@ -830,6 +836,7 @@ struct page *find_data_page(struct inode *inode, pgoff_t index, bool sync)
if (unlikely(dn.data_blkaddr == NEW_ADDR))
return ERR_PTR(-EINVAL);
+got_it:
page = grab_cache_page(mapping, index);
if (!page)
return ERR_PTR(-ENOMEM);
@@ -864,6 +871,7 @@ struct page *get_lock_data_page(struct inode *inode, pgoff_t index)
struct address_space *mapping = inode->i_mapping;
struct dnode_of_data dn;
struct page *page;
+ struct extent_info ei;
int err;
struct f2fs_io_info fio = {
.type = DATA,
@@ -874,6 +882,11 @@ repeat:
if (!page)
return ERR_PTR(-ENOMEM);
+ if (f2fs_lookup_extent_cache(inode, index, &ei)) {
+ dn.data_blkaddr = ei.blk + index - ei.fofs;
+ goto got_it;
+ }
+
set_new_dnode(&dn, inode, NULL, NULL, 0);
err = get_dnode_of_data(&dn, index, LOOKUP_NODE);
if (err) {
@@ -887,6 +900,7 @@ repeat:
return ERR_PTR(-ENOENT);
}
+got_it:
if (PageUptodate(page))
return page;