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Diffstat (limited to 'fs/f2fs/inline.c')
-rw-r--r--fs/f2fs/inline.c69
1 files changed, 39 insertions, 30 deletions
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 1484c00133cd..8140e4f0e538 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -21,7 +21,7 @@ bool f2fs_may_inline(struct inode *inode)
if (f2fs_is_atomic_file(inode))
return false;
- if (!S_ISREG(inode->i_mode))
+ if (!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode))
return false;
if (i_size_read(inode) > MAX_INLINE_DATA)
@@ -50,10 +50,19 @@ void read_inline_data(struct page *page, struct page *ipage)
SetPageUptodate(page);
}
-static void truncate_inline_data(struct page *ipage)
+bool truncate_inline_inode(struct page *ipage, u64 from)
{
+ void *addr;
+
+ if (from >= MAX_INLINE_DATA)
+ return false;
+
+ addr = inline_data_addr(ipage);
+
f2fs_wait_on_page_writeback(ipage, NODE);
- memset(inline_data_addr(ipage), 0, MAX_INLINE_DATA);
+ memset(addr + from, 0, MAX_INLINE_DATA - from);
+
+ return true;
}
int f2fs_read_inline_data(struct inode *inode, struct page *page)
@@ -122,7 +131,8 @@ no_update:
set_page_writeback(page);
fio.blk_addr = dn->data_blkaddr;
write_data_page(page, dn, &fio);
- update_extent_cache(dn);
+ set_data_blkaddr(dn);
+ f2fs_update_extent_cache(dn);
f2fs_wait_on_page_writeback(page, DATA);
if (dirty)
inode_dec_dirty_pages(dn->inode);
@@ -131,7 +141,7 @@ no_update:
set_inode_flag(F2FS_I(dn->inode), FI_APPEND_WRITE);
/* clear inline data and flag after data writeback */
- truncate_inline_data(dn->inode_page);
+ truncate_inline_inode(dn->inode_page, 0);
clear_out:
stat_dec_inline_inode(dn->inode);
f2fs_clear_inline_inode(dn->inode);
@@ -245,7 +255,7 @@ process_inline:
if (f2fs_has_inline_data(inode)) {
ipage = get_node_page(sbi, inode->i_ino);
f2fs_bug_on(sbi, IS_ERR(ipage));
- truncate_inline_data(ipage);
+ truncate_inline_inode(ipage, 0);
f2fs_clear_inline_inode(inode);
update_inode(inode, ipage);
f2fs_put_page(ipage, 1);
@@ -363,7 +373,7 @@ static int f2fs_convert_inline_dir(struct inode *dir, struct page *ipage,
set_page_dirty(page);
/* clear inline dir and flag after data writeback */
- truncate_inline_data(ipage);
+ truncate_inline_inode(ipage, 0);
stat_dec_inline_dir(dir);
clear_inode_flag(F2FS_I(dir), FI_INLINE_DENTRY);
@@ -380,21 +390,18 @@ out:
}
int f2fs_add_inline_entry(struct inode *dir, const struct qstr *name,
- struct inode *inode)
+ struct inode *inode, nid_t ino, umode_t mode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct page *ipage;
unsigned int bit_pos;
f2fs_hash_t name_hash;
- struct f2fs_dir_entry *de;
size_t namelen = name->len;
struct f2fs_inline_dentry *dentry_blk = NULL;
+ struct f2fs_dentry_ptr d;
int slots = GET_DENTRY_SLOTS(namelen);
- struct page *page;
+ struct page *page = NULL;
int err = 0;
- int i;
-
- name_hash = f2fs_dentry_hash(name);
ipage = get_node_page(sbi, dir->i_ino);
if (IS_ERR(ipage))
@@ -410,32 +417,34 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *name,
goto out;
}
- down_write(&F2FS_I(inode)->i_sem);
- page = init_inode_metadata(inode, dir, name, ipage);
- if (IS_ERR(page)) {
- err = PTR_ERR(page);
- goto fail;
+ if (inode) {
+ down_write(&F2FS_I(inode)->i_sem);
+ page = init_inode_metadata(inode, dir, name, ipage);
+ if (IS_ERR(page)) {
+ err = PTR_ERR(page);
+ goto fail;
+ }
}
f2fs_wait_on_page_writeback(ipage, NODE);
- de = &dentry_blk->dentry[bit_pos];
- de->hash_code = name_hash;
- de->name_len = cpu_to_le16(namelen);
- memcpy(dentry_blk->filename[bit_pos], name->name, name->len);
- de->ino = cpu_to_le32(inode->i_ino);
- set_de_type(de, inode);
- for (i = 0; i < slots; i++)
- test_and_set_bit_le(bit_pos + i, &dentry_blk->dentry_bitmap);
+
+ name_hash = f2fs_dentry_hash(name);
+ make_dentry_ptr(&d, (void *)dentry_blk, 2);
+ f2fs_update_dentry(ino, mode, &d, name, name_hash, bit_pos);
+
set_page_dirty(ipage);
/* we don't need to mark_inode_dirty now */
- F2FS_I(inode)->i_pino = dir->i_ino;
- update_inode(inode, page);
- f2fs_put_page(page, 1);
+ if (inode) {
+ F2FS_I(inode)->i_pino = dir->i_ino;
+ update_inode(inode, page);
+ f2fs_put_page(page, 1);
+ }
update_parent_metadata(dir, inode, 0);
fail:
- up_write(&F2FS_I(inode)->i_sem);
+ if (inode)
+ up_write(&F2FS_I(inode)->i_sem);
if (is_inode_flag_set(F2FS_I(dir), FI_UPDATE_DIR)) {
update_inode(dir, ipage);