Comment 3 for bug 1286114

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Raghavendra D Prabhu (raghavendra-prabhu) wrote : Re: Slow file extend when innodb_use_fallocate=1 and SSD file storage.

@Jan,

Ah, yes, that explains it, the filesystem support for fallocate may be lacking/incomplete here. (For other common in-tree filesystems - ext4, XFS, tmpfs, btrfs there shouldn't be any issues).