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btrfs: fail if fstrim_range->start == U64_MAX

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We've always been failing generic/260 because it's testing things we
actually don't care about and thus won't fail for.  However we probably
should fail for fstrim_range->start == U64_MAX since we clearly can't
trim anything past that.  This in combination with an update to
generic/260 will allow us to pass this test properly.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2021-11-22 17:04:19 -05:00 committed by David Sterba
parent d815b3f2f2
commit f981fec12c
1 changed files with 3 additions and 0 deletions
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3
fs/btrfs/extent-tree.c
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@ -6051,6 +6051,9 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
int dev_ret = 0;
int ret = 0;
if (range->start == U64_MAX)
return -EINVAL;
/*
* Check range overflow if range->len is set.
* The default range->len is U64_MAX.