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| /openbmc/linux/fs/btrfs/ |
| H A D | ioctl.c | 1cb3dc3f Thu Feb 04 04:21:46 CST 2021 Naohiro Aota <naohiro.aota@wdc.com> btrfs: zoned: disallow fitrim on zoned filesystems
The implementation of fitrim depends on space cache, which is not used
and disabled for zoned extent allocator. So the current code does not
work with zoned filesystem.
In the future, we can implement fitrim for zoned filesystems by enabling
space cache (but, only for fitrim) or scanning the extent tree at fitrim
time. For now, disallow fitrim on zoned filesystems.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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