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Merge pull request #3693 from greatroar/cast-btrfs-super-magic

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Cast unix.Statfs_t.Type to int64 when checking for btrfs
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Alexander Neumann 2022-04-01 08:09:46 +02:00 committed by GitHub
commit 305cd1e730
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1 changed files with 9 additions and 5 deletions
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14
internal/fs/setflags_linux_test.go
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@ -59,9 +59,13 @@ func supportsNoatime(t *testing.T, f *os.File) bool {
err := unix.Fstatfs(int(f.Fd()), &fsinfo) err := unix.Fstatfs(int(f.Fd()), &fsinfo)
rtest.OK(t, err) rtest.OK(t, err)
return fsinfo.Type == unix.BTRFS_SUPER_MAGIC || // The funky cast works around a compiler error on 32-bit archs:
fsinfo.Type == unix.EXT2_SUPER_MAGIC || // "unix.BTRFS_SUPER_MAGIC (untyped int constant 2435016766) overflows int32".
fsinfo.Type == unix.EXT3_SUPER_MAGIC || // https://github.com/golang/go/issues/52061
fsinfo.Type == unix.EXT4_SUPER_MAGIC || typ := int64(uint(fsinfo.Type))
fsinfo.Type == unix.TMPFS_MAGIC return typ == unix.BTRFS_SUPER_MAGIC ||
typ == unix.EXT2_SUPER_MAGIC ||
typ == unix.EXT3_SUPER_MAGIC ||
typ == unix.EXT4_SUPER_MAGIC ||
typ == unix.TMPFS_MAGIC
} }