Hi,
Zhang Xiliang wrote:
Hi,
I tested Online Defrag by using the new code.
When I have space left which is less than 40M, I can't use e4defrag
function.
Does the Online Defragmentation need some space left which is greater
than a value? 40M?
Yes. Ext4 online defrag needs more than the target file size.
In this case, your file size might be greater than left space.
If you failed in defrag, -v option might be helpful
to find the reason as follows:
[root@bsd086 KERN]# ./e4defrag -v /mnt/mp1/file1
ext4 defragmentation for /mnt/mp1/file1
[1/1] "/mnt/mp2/WORK/file1"
Defrag size is larger than FileSystem's free space [ NG ]
Success: [0/1]
Regards,
Akira Fujita
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