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Diffstat (limited to 'fs/f2fs/node.h')
-rw-r--r--fs/f2fs/node.h86
1 files changed, 53 insertions, 33 deletions
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index c65fb4f4230..7281112cd1c 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -17,14 +17,11 @@
/* # of pages to perform readahead before building free nids */
#define FREE_NID_PAGES 4
-/* maximum # of free node ids to produce during build_free_nids */
-#define MAX_FREE_NIDS (NAT_ENTRY_PER_BLOCK * FREE_NID_PAGES)
-
/* maximum readahead size for node during getting data blocks */
#define MAX_RA_NODE 128
-/* maximum cached nat entries to manage memory footprint */
-#define NM_WOUT_THRESHOLD (64 * NAT_ENTRY_PER_BLOCK)
+/* control the memory footprint threshold (10MB per 1GB ram) */
+#define DEF_RAM_THRESHOLD 10
/* vector size for gang look-up from nat cache that consists of radix tree */
#define NATVEC_SIZE 64
@@ -45,6 +42,7 @@ struct node_info {
struct nat_entry {
struct list_head list; /* for clean or dirty nat list */
bool checkpointed; /* whether it is checkpointed or not */
+ bool fsync_done; /* whether the latest node has fsync mark */
struct node_info ni; /* in-memory node information */
};
@@ -58,9 +56,15 @@ struct nat_entry {
#define nat_set_version(nat, v) (nat->ni.version = v)
#define __set_nat_cache_dirty(nm_i, ne) \
- list_move_tail(&ne->list, &nm_i->dirty_nat_entries);
+ do { \
+ ne->checkpointed = false; \
+ list_move_tail(&ne->list, &nm_i->dirty_nat_entries); \
+ } while (0)
#define __clear_nat_cache_dirty(nm_i, ne) \
- list_move_tail(&ne->list, &nm_i->nat_entries);
+ do { \
+ ne->checkpointed = true; \
+ list_move_tail(&ne->list, &nm_i->nat_entries); \
+ } while (0)
#define inc_node_version(version) (++version)
static inline void node_info_from_raw_nat(struct node_info *ni,
@@ -71,6 +75,20 @@ static inline void node_info_from_raw_nat(struct node_info *ni,
ni->version = raw_ne->version;
}
+static inline void raw_nat_from_node_info(struct f2fs_nat_entry *raw_ne,
+ struct node_info *ni)
+{
+ raw_ne->ino = cpu_to_le32(ni->ino);
+ raw_ne->block_addr = cpu_to_le32(ni->blk_addr);
+ raw_ne->version = ni->version;
+}
+
+enum mem_type {
+ FREE_NIDS, /* indicates the free nid list */
+ NAT_ENTRIES, /* indicates the cached nat entry */
+ DIRTY_DENTS /* indicates dirty dentry pages */
+};
+
/*
* For free nid mangement
*/
@@ -155,8 +173,7 @@ static inline void set_to_next_nat(struct f2fs_nm_info *nm_i, nid_t start_nid)
static inline void fill_node_footer(struct page *page, nid_t nid,
nid_t ino, unsigned int ofs, bool reset)
{
- void *kaddr = page_address(page);
- struct f2fs_node *rn = (struct f2fs_node *)kaddr;
+ struct f2fs_node *rn = F2FS_NODE(page);
if (reset)
memset(rn, 0, sizeof(*rn));
rn->footer.nid = cpu_to_le32(nid);
@@ -166,10 +183,8 @@ static inline void fill_node_footer(struct page *page, nid_t nid,
static inline void copy_node_footer(struct page *dst, struct page *src)
{
- void *src_addr = page_address(src);
- void *dst_addr = page_address(dst);
- struct f2fs_node *src_rn = (struct f2fs_node *)src_addr;
- struct f2fs_node *dst_rn = (struct f2fs_node *)dst_addr;
+ struct f2fs_node *src_rn = F2FS_NODE(src);
+ struct f2fs_node *dst_rn = F2FS_NODE(dst);
memcpy(&dst_rn->footer, &src_rn->footer, sizeof(struct node_footer));
}
@@ -177,45 +192,40 @@ static inline void fill_node_footer_blkaddr(struct page *page, block_t blkaddr)
{
struct f2fs_sb_info *sbi = F2FS_SB(page->mapping->host->i_sb);
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
- void *kaddr = page_address(page);
- struct f2fs_node *rn = (struct f2fs_node *)kaddr;
+ struct f2fs_node *rn = F2FS_NODE(page);
+
rn->footer.cp_ver = ckpt->checkpoint_ver;
rn->footer.next_blkaddr = cpu_to_le32(blkaddr);
}
static inline nid_t ino_of_node(struct page *node_page)
{
- void *kaddr = page_address(node_page);
- struct f2fs_node *rn = (struct f2fs_node *)kaddr;
+ struct f2fs_node *rn = F2FS_NODE(node_page);
return le32_to_cpu(rn->footer.ino);
}
static inline nid_t nid_of_node(struct page *node_page)
{
- void *kaddr = page_address(node_page);
- struct f2fs_node *rn = (struct f2fs_node *)kaddr;
+ struct f2fs_node *rn = F2FS_NODE(node_page);
return le32_to_cpu(rn->footer.nid);
}
static inline unsigned int ofs_of_node(struct page *node_page)
{
- void *kaddr = page_address(node_page);
- struct f2fs_node *rn = (struct f2fs_node *)kaddr;
+ struct f2fs_node *rn = F2FS_NODE(node_page);
unsigned flag = le32_to_cpu(rn->footer.flag);
return flag >> OFFSET_BIT_SHIFT;
}
static inline unsigned long long cpver_of_node(struct page *node_page)
{
- void *kaddr = page_address(node_page);
- struct f2fs_node *rn = (struct f2fs_node *)kaddr;
+ struct f2fs_node *rn = F2FS_NODE(node_page);
return le64_to_cpu(rn->footer.cp_ver);
}
static inline block_t next_blkaddr_of_node(struct page *node_page)
{
- void *kaddr = page_address(node_page);
- struct f2fs_node *rn = (struct f2fs_node *)kaddr;
+ struct f2fs_node *rn = F2FS_NODE(node_page);
return le32_to_cpu(rn->footer.next_blkaddr);
}
@@ -232,11 +242,21 @@ static inline block_t next_blkaddr_of_node(struct page *node_page)
* | `- direct node (5 + N => 5 + 2N - 1)
* `- double indirect node (5 + 2N)
* `- indirect node (6 + 2N)
- * `- direct node (x(N + 1))
+ * `- direct node
+ * ......
+ * `- indirect node ((6 + 2N) + x(N + 1))
+ * `- direct node
+ * ......
+ * `- indirect node ((6 + 2N) + (N - 1)(N + 1))
+ * `- direct node
*/
static inline bool IS_DNODE(struct page *node_page)
{
unsigned int ofs = ofs_of_node(node_page);
+
+ if (f2fs_has_xattr_block(ofs))
+ return false;
+
if (ofs == 3 || ofs == 4 + NIDS_PER_BLOCK ||
ofs == 5 + 2 * NIDS_PER_BLOCK)
return false;
@@ -250,9 +270,9 @@ static inline bool IS_DNODE(struct page *node_page)
static inline void set_nid(struct page *p, int off, nid_t nid, bool i)
{
- struct f2fs_node *rn = (struct f2fs_node *)page_address(p);
+ struct f2fs_node *rn = F2FS_NODE(p);
- wait_on_page_writeback(p);
+ f2fs_wait_on_page_writeback(p, NODE);
if (i)
rn->i.i_nid[off - NODE_DIR1_BLOCK] = cpu_to_le32(nid);
@@ -263,7 +283,8 @@ static inline void set_nid(struct page *p, int off, nid_t nid, bool i)
static inline nid_t get_nid(struct page *p, int off, bool i)
{
- struct f2fs_node *rn = (struct f2fs_node *)page_address(p);
+ struct f2fs_node *rn = F2FS_NODE(p);
+
if (i)
return le32_to_cpu(rn->i.i_nid[off - NODE_DIR1_BLOCK]);
return le32_to_cpu(rn->in.nid[off]);
@@ -314,8 +335,7 @@ static inline void clear_cold_data(struct page *page)
static inline int is_node(struct page *page, int type)
{
- void *kaddr = page_address(page);
- struct f2fs_node *rn = (struct f2fs_node *)kaddr;
+ struct f2fs_node *rn = F2FS_NODE(page);
return le32_to_cpu(rn->footer.flag) & (1 << type);
}
@@ -325,7 +345,7 @@ static inline int is_node(struct page *page, int type)
static inline void set_cold_node(struct inode *inode, struct page *page)
{
- struct f2fs_node *rn = (struct f2fs_node *)page_address(page);
+ struct f2fs_node *rn = F2FS_NODE(page);
unsigned int flag = le32_to_cpu(rn->footer.flag);
if (S_ISDIR(inode->i_mode))
@@ -337,7 +357,7 @@ static inline void set_cold_node(struct inode *inode, struct page *page)
static inline void set_mark(struct page *page, int mark, int type)
{
- struct f2fs_node *rn = (struct f2fs_node *)page_address(page);
+ struct f2fs_node *rn = F2FS_NODE(page);
unsigned int flag = le32_to_cpu(rn->footer.flag);
if (mark)
flag |= (0x1 << type);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 03:51:59 +0000