Messages in this thread | | | Date | Mon, 31 Mar 2014 07:56:25 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH 0/3] fs: Introduce FALLOC_FL_INSERT_RANGE for fallocate |
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On Mon, Mar 31, 2014 at 11:53:31PM +0900, Namjae Jeon wrote: > This flag will work opposite to the newly added FALLOC_FL_COLLAPSE_RANGE flag. > As such, specifying FALLOC_FL_INSERT_RANGE flag will insert zeroed-out space > in between the file within the range specified by offset and len. User can > write new data in this space. e.g. ads. > Like collapse range, currently we have the limitation that offset and len > should be block size aligned for both XFS and Ext4.
Btw, I remember Samsung also had an ioctl for XFS to split a file into two without moving the data, do you plan to submit that one as well?
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