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f2fs: fix incorrect free inode count in ->statfs

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While calculating inode count that we can create at most in the left space,
we should consider space which data/node blocks occupied, since we create
data/node mixly in main area. So fix the wrong calculation in ->statfs.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2016-11-18 22:27:41 +08:00 committed by Jaegeuk Kim
parent b4ceec2921
commit b08b12d2dd
1 changed files with 2 additions and 1 deletions
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3
fs/f2fs/super.c
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@ -852,7 +852,8 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_bavail = user_block_count - valid_user_blocks(sbi);
buf->f_files = sbi->total_node_count - F2FS_RESERVED_NODE_NUM;
buf->f_ffree = buf->f_files - valid_inode_count(sbi);
buf->f_ffree = min(buf->f_files - valid_node_count(sbi),
buf->f_bavail);
buf->f_namelen = F2FS_NAME_LEN;
buf->f_fsid.val[0] = (u32)id;