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Diffstat (limited to 'fs/f2fs/node.c')
-rw-r--r--fs/f2fs/node.c100
1 files changed, 64 insertions, 36 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index b418aee09573..51ef27894433 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -315,9 +315,10 @@ cache:
* The maximum depth is four.
* Offset[0] will have raw inode offset.
*/
-static int get_node_path(long block, int offset[4], unsigned int noffset[4])
+static int get_node_path(struct f2fs_inode_info *fi, long block,
+ int offset[4], unsigned int noffset[4])
{
- const long direct_index = ADDRS_PER_INODE;
+ const long direct_index = ADDRS_PER_INODE(fi);
const long direct_blks = ADDRS_PER_BLOCK;
const long dptrs_per_blk = NIDS_PER_BLOCK;
const long indirect_blks = ADDRS_PER_BLOCK * NIDS_PER_BLOCK;
@@ -405,7 +406,7 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode)
int level, i;
int err = 0;
- level = get_node_path(index, offset, noffset);
+ level = get_node_path(F2FS_I(dn->inode), index, offset, noffset);
nids[0] = dn->inode->i_ino;
npage[0] = dn->inode_page;
@@ -565,7 +566,7 @@ static int truncate_nodes(struct dnode_of_data *dn, unsigned int nofs,
return PTR_ERR(page);
}
- rn = (struct f2fs_node *)page_address(page);
+ rn = F2FS_NODE(page);
if (depth < 3) {
for (i = ofs; i < NIDS_PER_BLOCK; i++, freed++) {
child_nid = le32_to_cpu(rn->in.nid[i]);
@@ -687,7 +688,7 @@ int truncate_inode_blocks(struct inode *inode, pgoff_t from)
trace_f2fs_truncate_inode_blocks_enter(inode, from);
- level = get_node_path(from, offset, noffset);
+ level = get_node_path(F2FS_I(inode), from, offset, noffset);
restart:
page = get_node_page(sbi, inode->i_ino);
if (IS_ERR(page)) {
@@ -698,7 +699,7 @@ restart:
set_new_dnode(&dn, inode, page, NULL, 0);
unlock_page(page);
- rn = page_address(page);
+ rn = F2FS_NODE(page);
switch (level) {
case 0:
case 1:
@@ -771,6 +772,33 @@ fail:
return err > 0 ? 0 : err;
}
+int truncate_xattr_node(struct inode *inode, struct page *page)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
+ nid_t nid = F2FS_I(inode)->i_xattr_nid;
+ struct dnode_of_data dn;
+ struct page *npage;
+
+ if (!nid)
+ return 0;
+
+ npage = get_node_page(sbi, nid);
+ if (IS_ERR(npage))
+ return PTR_ERR(npage);
+
+ F2FS_I(inode)->i_xattr_nid = 0;
+
+ /* need to do checkpoint during fsync */
+ F2FS_I(inode)->xattr_ver = cur_cp_version(F2FS_CKPT(sbi));
+
+ set_new_dnode(&dn, inode, page, npage, nid);
+
+ if (page)
+ dn.inode_page_locked = 1;
+ truncate_node(&dn);
+ return 0;
+}
+
/*
* Caller should grab and release a mutex by calling mutex_lock_op() and
* mutex_unlock_op().
@@ -781,22 +809,16 @@ int remove_inode_page(struct inode *inode)
struct page *page;
nid_t ino = inode->i_ino;
struct dnode_of_data dn;
+ int err;
page = get_node_page(sbi, ino);
if (IS_ERR(page))
return PTR_ERR(page);
- if (F2FS_I(inode)->i_xattr_nid) {
- nid_t nid = F2FS_I(inode)->i_xattr_nid;
- struct page *npage = get_node_page(sbi, nid);
-
- if (IS_ERR(npage))
- return PTR_ERR(npage);
-
- F2FS_I(inode)->i_xattr_nid = 0;
- set_new_dnode(&dn, inode, page, npage, nid);
- dn.inode_page_locked = 1;
- truncate_node(&dn);
+ err = truncate_xattr_node(inode, page);
+ if (err) {
+ f2fs_put_page(page, 1);
+ return err;
}
/* 0 is possible, after f2fs_new_inode() is failed */
@@ -833,29 +855,32 @@ struct page *new_node_page(struct dnode_of_data *dn,
if (!page)
return ERR_PTR(-ENOMEM);
- get_node_info(sbi, dn->nid, &old_ni);
+ if (!inc_valid_node_count(sbi, dn->inode, 1)) {
+ err = -ENOSPC;
+ goto fail;
+ }
- SetPageUptodate(page);
- fill_node_footer(page, dn->nid, dn->inode->i_ino, ofs, true);
+ get_node_info(sbi, dn->nid, &old_ni);
/* Reinitialize old_ni with new node page */
BUG_ON(old_ni.blk_addr != NULL_ADDR);
new_ni = old_ni;
new_ni.ino = dn->inode->i_ino;
-
- if (!inc_valid_node_count(sbi, dn->inode, 1)) {
- err = -ENOSPC;
- goto fail;
- }
set_node_addr(sbi, &new_ni, NEW_ADDR);
+
+ fill_node_footer(page, dn->nid, dn->inode->i_ino, ofs, true);
set_cold_node(dn->inode, page);
+ SetPageUptodate(page);
+ set_page_dirty(page);
+
+ if (ofs == XATTR_NODE_OFFSET)
+ F2FS_I(dn->inode)->i_xattr_nid = dn->nid;
dn->node_page = page;
if (ipage)
update_inode(dn->inode, ipage);
else
sync_inode_page(dn);
- set_page_dirty(page);
if (ofs == 0)
inc_valid_inode_count(sbi);
@@ -916,7 +941,6 @@ void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid)
f2fs_put_page(apage, 0);
else if (err == LOCKED_PAGE)
f2fs_put_page(apage, 1);
- return;
}
struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid)
@@ -1167,9 +1191,9 @@ static int f2fs_write_node_page(struct page *page,
/*
* It is very important to gather dirty pages and write at once, so that we can
* submit a big bio without interfering other data writes.
- * Be default, 512 pages (2MB), a segment size, is quite reasonable.
+ * Be default, 512 pages (2MB) * 3 node types, is more reasonable.
*/
-#define COLLECT_DIRTY_NODES 512
+#define COLLECT_DIRTY_NODES 1536
static int f2fs_write_node_pages(struct address_space *mapping,
struct writeback_control *wbc)
{
@@ -1187,9 +1211,10 @@ static int f2fs_write_node_pages(struct address_space *mapping,
return 0;
/* if mounting is failed, skip writing node pages */
- wbc->nr_to_write = max_hw_blocks(sbi);
+ wbc->nr_to_write = 3 * max_hw_blocks(sbi);
sync_node_pages(sbi, 0, wbc);
- wbc->nr_to_write = nr_to_write - (max_hw_blocks(sbi) - wbc->nr_to_write);
+ wbc->nr_to_write = nr_to_write - (3 * max_hw_blocks(sbi) -
+ wbc->nr_to_write);
return 0;
}
@@ -1444,6 +1469,9 @@ void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid)
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct free_nid *i;
+ if (!nid)
+ return;
+
spin_lock(&nm_i->free_nid_list_lock);
i = __lookup_free_nid_list(nid, &nm_i->free_nid_list);
BUG_ON(!i || i->state != NID_ALLOC);
@@ -1484,8 +1512,8 @@ int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page)
SetPageUptodate(ipage);
fill_node_footer(ipage, ino, ino, 0, true);
- src = (struct f2fs_node *)page_address(page);
- dst = (struct f2fs_node *)page_address(ipage);
+ src = F2FS_NODE(page);
+ dst = F2FS_NODE(ipage);
memcpy(dst, src, (unsigned long)&src->i.i_ext - (unsigned long)&src->i);
dst->i.i_size = 0;
@@ -1515,8 +1543,8 @@ int restore_node_summary(struct f2fs_sb_info *sbi,
/* alloc temporal page for read node */
page = alloc_page(GFP_NOFS | __GFP_ZERO);
- if (IS_ERR(page))
- return PTR_ERR(page);
+ if (!page)
+ return -ENOMEM;
lock_page(page);
/* scan the node segment */
@@ -1535,7 +1563,7 @@ int restore_node_summary(struct f2fs_sb_info *sbi,
goto out;
lock_page(page);
- rn = (struct f2fs_node *)page_address(page);
+ rn = F2FS_NODE(page);
sum_entry->nid = rn->footer.nid;
sum_entry->version = 0;
sum_entry->ofs_in_node = 0;