diff options
| -rw-r--r-- | fs/f2fs/node.c | 2 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 4 | ||||
| -rw-r--r-- | include/linux/f2fs_fs.h | 3 |
3 files changed, 6 insertions, 3 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index b4d9640..044395c 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1957,7 +1957,7 @@ static int init_node_manager(struct f2fs_sb_info *sbi) nm_i->max_nid = NAT_ENTRY_PER_BLOCK * nat_blocks; /* not used nids: 0, node, meta, (and root counted as valid node) */ - nm_i->available_nids = nm_i->max_nid - 3; + nm_i->available_nids = nm_i->max_nid - F2FS_RESERVED_NODE_NUM; nm_i->fcnt = 0; nm_i->nat_cnt = 0; nm_i->ram_thresh = DEF_RAM_THRESHOLD; diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index ddb1e9d..0f61f5a 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -508,8 +508,8 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bfree = buf->f_blocks - valid_user_blocks(sbi) - ovp_count; buf->f_bavail = user_block_count - valid_user_blocks(sbi); - buf->f_files = sbi->total_node_count; - buf->f_ffree = sbi->total_node_count - valid_inode_count(sbi); + buf->f_files = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; + buf->f_ffree = buf->f_files - valid_inode_count(sbi); buf->f_namelen = F2FS_NAME_LEN; buf->f_fsid.val[0] = (u32)id; diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 6ff0b0b..0ed77f3 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -24,6 +24,9 @@ #define NULL_ADDR ((block_t)0) /* used as block_t addresses */ #define NEW_ADDR ((block_t)-1) /* used as block_t addresses */ +/* 0, 1(node nid), 2(meta nid) are reserved node id */ +#define F2FS_RESERVED_NODE_NUM 3 + #define F2FS_ROOT_INO(sbi) (sbi->root_ino_num) #define F2FS_NODE_INO(sbi) (sbi->node_ino_num) #define F2FS_META_INO(sbi) (sbi->meta_ino_num) |
