diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-06-21 20:55:55 -0700 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2017-07-21 12:38:04 +0200 |
| commit | 439af46370251408904d836c51a365c103fd0833 (patch) | |
| tree | 2477ce3b05abe4f36f0ce0ee292e763851d168ff /fs/f2fs/super.c | |
| parent | bc0d96f00d6b332ab4447fed2fad94fa1ae54fec (diff) | |
f2fs: report # of free inodes more precisely
If the partition is small, we don't need to report total # of inodes including
hidden free nodes.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index fd2ce9140..59d3515a5 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -680,6 +680,7 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) struct f2fs_sb_info *sbi = F2FS_SB(sb); u64 id = huge_encode_dev(sb->s_bdev->bd_dev); block_t total_count, user_block_count, start_count, ovp_count; + u64 avail_node_count; total_count = le64_to_cpu(sbi->raw_super->block_count); user_block_count = sbi->user_block_count; @@ -692,9 +693,16 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bfree = user_block_count - valid_user_blocks(sbi) + ovp_count; buf->f_bavail = user_block_count - valid_user_blocks(sbi); - buf->f_files = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; - buf->f_ffree = min(buf->f_files - valid_node_count(sbi), - buf->f_bavail); + avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; + + if (avail_node_count > user_block_count) { + buf->f_files = user_block_count; + buf->f_ffree = buf->f_bavail; + } else { + buf->f_files = avail_node_count; + buf->f_ffree = min(avail_node_count - valid_node_count(sbi), + buf->f_bavail); + } buf->f_namelen = F2FS_NAME_LEN; buf->f_fsid.val[0] = (u32)id; |