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Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r--fs/f2fs/f2fs.h106
1 files changed, 83 insertions, 23 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 467d42d65c48..608f0df5b919 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -17,6 +17,7 @@
#include <linux/slab.h>
#include <linux/crc32.h>
#include <linux/magic.h>
+#include <linux/kobject.h>
/*
* For mount options
@@ -28,6 +29,7 @@
#define F2FS_MOUNT_XATTR_USER 0x00000010
#define F2FS_MOUNT_POSIX_ACL 0x00000020
#define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
+#define F2FS_MOUNT_INLINE_XATTR 0x00000080
#define clear_opt(sbi, option) (sbi->mount_opt.opt &= ~F2FS_MOUNT_##option)
#define set_opt(sbi, option) (sbi->mount_opt.opt |= F2FS_MOUNT_##option)
@@ -134,11 +136,13 @@ static inline int update_sits_in_cursum(struct f2fs_summary_block *rs, int i)
/*
* For INODE and NODE manager
*/
-#define XATTR_NODE_OFFSET (-1) /*
- * store xattrs to one node block per
- * file keeping -1 as its node offset to
- * distinguish from index node blocks.
- */
+/*
+ * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
+ * as its node offset to distinguish from index node blocks.
+ * But some bits are used to mark the node block.
+ */
+#define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
+ >> OFFSET_BIT_SHIFT)
enum {
ALLOC_NODE, /* allocate a new node page if needed */
LOOKUP_NODE, /* look up a node without readahead */
@@ -178,6 +182,7 @@ struct f2fs_inode_info {
f2fs_hash_t chash; /* hash value of given file name */
unsigned int clevel; /* maximum level of given file name */
nid_t i_xattr_nid; /* node id that contains xattrs */
+ unsigned long long xattr_ver; /* cp version of xattr modification */
struct extent_info ext; /* in-memory extent cache entry */
};
@@ -296,15 +301,6 @@ struct f2fs_sm_info {
};
/*
- * For directory operation
- */
-#define NODE_DIR1_BLOCK (ADDRS_PER_INODE + 1)
-#define NODE_DIR2_BLOCK (ADDRS_PER_INODE + 2)
-#define NODE_IND1_BLOCK (ADDRS_PER_INODE + 3)
-#define NODE_IND2_BLOCK (ADDRS_PER_INODE + 4)
-#define NODE_DIND_BLOCK (ADDRS_PER_INODE + 5)
-
-/*
* For superblock
*/
/*
@@ -350,6 +346,7 @@ enum page_type {
struct f2fs_sb_info {
struct super_block *sb; /* pointer to VFS super block */
+ struct proc_dir_entry *s_proc; /* proc entry */
struct buffer_head *raw_super_buf; /* buffer head of raw sb */
struct f2fs_super_block *raw_super; /* raw super block pointer */
int s_dirty; /* dirty flag for checkpoint */
@@ -429,6 +426,10 @@ struct f2fs_sb_info {
#endif
unsigned int last_victim[2]; /* last victim segment # */
spinlock_t stat_lock; /* lock for stat operations */
+
+ /* For sysfs suppport */
+ struct kobject s_kobj;
+ struct completion s_kobj_unregister;
};
/*
@@ -454,6 +455,11 @@ static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi)
return (struct f2fs_checkpoint *)(sbi->ckpt);
}
+static inline struct f2fs_node *F2FS_NODE(struct page *page)
+{
+ return (struct f2fs_node *)page_address(page);
+}
+
static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi)
{
return (struct f2fs_nm_info *)(sbi->nm_info);
@@ -489,6 +495,11 @@ static inline void F2FS_RESET_SB_DIRT(struct f2fs_sb_info *sbi)
sbi->s_dirty = 0;
}
+static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp)
+{
+ return le64_to_cpu(cp->checkpoint_ver);
+}
+
static inline bool is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
{
unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags);
@@ -677,7 +688,7 @@ static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
{
block_t start_addr;
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
- unsigned long long ckpt_version = le64_to_cpu(ckpt->checkpoint_ver);
+ unsigned long long ckpt_version = cur_cp_version(ckpt);
start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
@@ -812,7 +823,7 @@ static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name,
static inline bool IS_INODE(struct page *page)
{
- struct f2fs_node *p = (struct f2fs_node *)page_address(page);
+ struct f2fs_node *p = F2FS_NODE(page);
return RAW_IS_INODE(p);
}
@@ -826,7 +837,7 @@ static inline block_t datablock_addr(struct page *node_page,
{
struct f2fs_node *raw_node;
__le32 *addr_array;
- raw_node = (struct f2fs_node *)page_address(node_page);
+ raw_node = F2FS_NODE(node_page);
addr_array = blkaddr_in_node(raw_node);
return le32_to_cpu(addr_array[offset]);
}
@@ -873,6 +884,7 @@ enum {
FI_NO_ALLOC, /* should not allocate any blocks */
FI_UPDATE_DIR, /* should update inode block for consistency */
FI_DELAY_IPUT, /* used for the recovery */
+ FI_INLINE_XATTR, /* used for inline xattr */
};
static inline void set_inode_flag(struct f2fs_inode_info *fi, int flag)
@@ -905,6 +917,45 @@ static inline int cond_clear_inode_flag(struct f2fs_inode_info *fi, int flag)
return 0;
}
+static inline void get_inline_info(struct f2fs_inode_info *fi,
+ struct f2fs_inode *ri)
+{
+ if (ri->i_inline & F2FS_INLINE_XATTR)
+ set_inode_flag(fi, FI_INLINE_XATTR);
+}
+
+static inline void set_raw_inline(struct f2fs_inode_info *fi,
+ struct f2fs_inode *ri)
+{
+ ri->i_inline = 0;
+
+ if (is_inode_flag_set(fi, FI_INLINE_XATTR))
+ ri->i_inline |= F2FS_INLINE_XATTR;
+}
+
+static inline unsigned int addrs_per_inode(struct f2fs_inode_info *fi)
+{
+ if (is_inode_flag_set(fi, FI_INLINE_XATTR))
+ return DEF_ADDRS_PER_INODE - F2FS_INLINE_XATTR_ADDRS;
+ return DEF_ADDRS_PER_INODE;
+}
+
+static inline void *inline_xattr_addr(struct page *page)
+{
+ struct f2fs_inode *ri;
+ ri = (struct f2fs_inode *)page_address(page);
+ return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE -
+ F2FS_INLINE_XATTR_ADDRS]);
+}
+
+static inline int inline_xattr_size(struct inode *inode)
+{
+ if (is_inode_flag_set(F2FS_I(inode), FI_INLINE_XATTR))
+ return F2FS_INLINE_XATTR_ADDRS << 2;
+ else
+ return 0;
+}
+
static inline int f2fs_readonly(struct super_block *sb)
{
return sb->s_flags & MS_RDONLY;
@@ -947,6 +998,7 @@ struct f2fs_dir_entry *f2fs_parent_dir(struct inode *, struct page **);
ino_t f2fs_inode_by_name(struct inode *, struct qstr *);
void f2fs_set_link(struct inode *, struct f2fs_dir_entry *,
struct page *, struct inode *);
+int update_dent_inode(struct inode *, const struct qstr *);
int __f2fs_add_link(struct inode *, const struct qstr *, struct inode *);
void f2fs_delete_entry(struct f2fs_dir_entry *, struct page *, struct inode *);
int f2fs_make_empty(struct inode *, struct inode *);
@@ -980,6 +1032,7 @@ int is_checkpointed_node(struct f2fs_sb_info *, nid_t);
void get_node_info(struct f2fs_sb_info *, nid_t, struct node_info *);
int get_dnode_of_data(struct dnode_of_data *, pgoff_t, int);
int truncate_inode_blocks(struct inode *, pgoff_t);
+int truncate_xattr_node(struct inode *, struct page *);
int remove_inode_page(struct inode *);
struct page *new_inode_page(struct inode *, const struct qstr *);
struct page *new_node_page(struct dnode_of_data *, unsigned int, struct page *);
@@ -1012,7 +1065,8 @@ int npages_for_summary_flush(struct f2fs_sb_info *);
void allocate_new_segments(struct f2fs_sb_info *);
struct page *get_sum_page(struct f2fs_sb_info *, unsigned int);
struct bio *f2fs_bio_alloc(struct block_device *, int);
-void f2fs_submit_bio(struct f2fs_sb_info *, enum page_type, bool sync);
+void f2fs_submit_bio(struct f2fs_sb_info *, enum page_type, bool);
+void f2fs_wait_on_page_writeback(struct page *, enum page_type, bool);
void write_meta_page(struct f2fs_sb_info *, struct page *);
void write_node_page(struct f2fs_sb_info *, struct page *, unsigned int,
block_t, block_t *);
@@ -1037,7 +1091,8 @@ void destroy_segment_manager(struct f2fs_sb_info *);
struct page *grab_meta_page(struct f2fs_sb_info *, pgoff_t);
struct page *get_meta_page(struct f2fs_sb_info *, pgoff_t);
long sync_meta_pages(struct f2fs_sb_info *, enum page_type, long);
-int check_orphan_space(struct f2fs_sb_info *);
+int acquire_orphan_inode(struct f2fs_sb_info *);
+void release_orphan_inode(struct f2fs_sb_info *);
void add_orphan_inode(struct f2fs_sb_info *, nid_t);
void remove_orphan_inode(struct f2fs_sb_info *, nid_t);
int recover_orphan_inodes(struct f2fs_sb_info *);
@@ -1068,7 +1123,7 @@ int do_write_data_page(struct page *);
*/
int start_gc_thread(struct f2fs_sb_info *);
void stop_gc_thread(struct f2fs_sb_info *);
-block_t start_bidx_of_node(unsigned int);
+block_t start_bidx_of_node(unsigned int, struct f2fs_inode_info *);
int f2fs_gc(struct f2fs_sb_info *);
void build_gc_manager(struct f2fs_sb_info *);
int __init create_gc_caches(void);
@@ -1112,11 +1167,16 @@ struct f2fs_stat_info {
unsigned base_mem, cache_mem;
};
+static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
+{
+ return (struct f2fs_stat_info*)sbi->stat_info;
+}
+
#define stat_inc_call_count(si) ((si)->call_count++)
#define stat_inc_seg_count(sbi, type) \
do { \
- struct f2fs_stat_info *si = sbi->stat_info; \
+ struct f2fs_stat_info *si = F2FS_STAT(sbi); \
(si)->tot_segs++; \
if (type == SUM_TYPE_DATA) \
si->data_segs++; \
@@ -1129,14 +1189,14 @@ struct f2fs_stat_info {
#define stat_inc_data_blk_count(sbi, blks) \
do { \
- struct f2fs_stat_info *si = sbi->stat_info; \
+ struct f2fs_stat_info *si = F2FS_STAT(sbi); \
stat_inc_tot_blk_count(si, blks); \
si->data_blks += (blks); \
} while (0)
#define stat_inc_node_blk_count(sbi, blks) \
do { \
- struct f2fs_stat_info *si = sbi->stat_info; \
+ struct f2fs_stat_info *si = F2FS_STAT(sbi); \
stat_inc_tot_blk_count(si, blks); \
si->node_blks += (blks); \
} while (0)
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-25 05:50:42 +0000