Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH] f2fs: fix incorrect f_bfree calculation in ->statfs | Date | Wed, 6 Jul 2016 14:13:07 +0800 |
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As manual described, f_bfree indicates total free blocks in fs, in f2fs, it includes two parts: visible free blocks and over-provision blocks. This patch corrrects the calculation.
fsblkcnt_t f_bfree; /* free blocks in fs */
Signed-off-by: Chao Yu <yuchao0@huawei.com> --- fs/f2fs/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 36118cf..f468381 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -816,7 +816,7 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bsize = sbi->blocksize; buf->f_blocks = total_count - start_count; - buf->f_bfree = buf->f_blocks - valid_user_blocks(sbi) - ovp_count; + 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; -- 2.8.2.311.gee88674
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