virtiofs: keep a list of free dax memory ranges

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Divide the dax memory range into fixed size ranges (2MB for now) and put
them in a list. This will track free ranges. Once an inode requires a
free range, we will take one from here and put it in interval-tree
of ranges assigned to inode.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Peng Tao <tao.peng@linux.alibaba.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

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Vivek Goyal 2020-08-19 18:19:48 -04:00 • committed by Miklos Szeredi

parent 1dd539577c

commit 45f2348ece

1 changed files with 90 additions and 1 deletions

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fs/fuse/dax.c

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